Science Calculators
Tools for physics, chemistry, and other scientific fields for both students and professionals.
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175
- Acceleration CalculatorUse this free acceleration for science calculations. Get instant, accurate results with clear inputs and no signup required.Open tool
- Angular Acceleration CalculatorUse this free angular acceleration for science calculations. Get instant, accurate results with clear inputs and no signup required.Open tool
- Angular Impulse CalculatorUse this free angular impulse for science calculations. Get instant, accurate results with clear inputs and no signup required.Open tool
- Angular Impulse Momentum CalculatorUse this free angular impulse momentum for science calculations. Get instant, accurate results with clear inputs and no signup required.Open tool
- Angular Momentum CalculatorUse this free angular momentum for science calculations. Get instant, accurate results with clear inputs and no signup required.Open tool
- Angular Velocity CalculatorUse this free angular velocity for science calculations. Get instant, accurate results with clear inputs and no signup required.Open tool
- Annealing Temperature CalculatorUse this free annealing temperature for science calculations. Get instant, accurate results with clear inputs and no signup required.Open tool
- Antibiotic Stock CalculatorUse this free antibiotic stock for science calculations. Get instant, accurate results with clear inputs and no signup required.Open tool
- Aperture Antenna Electric Field CalculatorCompute far-field electric field from transmit power, gain, and distance (E = √(η·S)).Open tool
- Arrhenius Equation CalculatorCalculate reaction rate constants and activation energy.Open tool
- Battery Energy Density CalculatorCalculate battery energy density, capacity, and performance metrics.Open tool
- Beer–Lambert Law CalculatorCalculate absorbance, concentration, molar absorptivity, and path length.Open tool
- Bernoullis Equation SolverUse this free bernoullis equation solver for science calculations. Get instant, accurate results with clear inputs and no signup required.Open tool
- BJT Cascode Amplifier CalculatorAnalyze BJT cascode amplifier circuits with precision and accuracy.Open tool
- Buffer Solution CalculatorCalculate pH and composition of buffer solutions using Henderson-Hasselbalch equation.Open tool
- Bulk Modulus CalculatorUse this free bulk modulus for science calculations. Get instant, accurate results with clear inputs and no signup required.Open tool
- Buoyancy CalculatorUse this free buoyancy for science calculations. Get instant, accurate results with clear inputs and no signup required.Open tool
- Capacitance CalculatorUse this free capacitance calculator for science calculations. Get instant, accurate results with clear inputs and no signup required.Open tool
- Carbon Footprint CalculatorEstimate your annual CO₂ emissions based on your lifestyle, including transportation, home energy, and diet.Open tool
- Carnot Efficiency CalculatorUse this free carnot efficiency calculator for science calculations. Get instant, accurate results with clear inputs and no signup required.Open tool
- Cell Culture Dilution CalculatorUse this free cell culture dilution for science calculations. Get instant, accurate results with clear inputs and no signup required.Open tool
- Centripetal Acceleration CalculatorUse this free centripetal accel for science calculations. Get instant, accurate results with clear inputs and no signup required.Open tool
- CFU CalculatorUse this free cfu for science calculations. Get instant, accurate results with clear inputs and no signup required.Open tool
- Chromatography Retention Factor (Rf) CalculatorCalculate Rf values for thin-layer chromatography (TLC) and paper chromatography.Open tool
- Circuit Breaker SizingEstimate recommended breaker size with safety factor based on load voltage and current.Open tool
- Circular Motion CalculatorUse this free circular motion calculator for science calculations. Get instant, accurate results with clear inputs and no signup required.Open tool
- Climate Zone CalculatorDetermine climate zone and growing zone based on locationOpen tool
- Collision Theory CalculatorAnalyze molecular collision rates and reaction kinetics.Open tool
- Common Base Amplifier CalculatorUse this free common base amplifier for science calculations. Get instant, accurate results with clear inputs and no signup required.Open tool
- Comprehensive Unit ConverterConvert between various units of measurement including length, weight, volume, temperature, and more.Open tool
- Compton Scattering CalculatorUse this free compton scattering calculator for science calculations. Get instant, accurate results with clear inputs and no signup required.Open tool
- Conductivity CalculatorCalculate electrical conductivity of chemical solutions.Open tool
- Constant Acceleration Displacement CalculatorCalculate signed displacement from initial velocity, final velocity, and constant acceleration without time.Open tool
- Coulombs Law CalculatorUse this free coulombs law calculator for science calculations. Get instant, accurate results with clear inputs and no signup required.Open tool
- dBm to Watts ConverterUse this free dbm to watts for science calculations. Get instant, accurate results with clear inputs and no signup required.Open tool
- De Broglie Wavelength CalculatorUse this free de broglie wavelength calculator for science calculations. Get instant, accurate results with clear inputs and no signup required.Open tool
- Density CalculatorUse this free density calculator for science calculations. Get instant, accurate results with clear inputs and no signup required.Open tool
- Diffraction Interference CalculatorUse this free diffraction interference calculator for science calculations. Get instant, accurate results with clear inputs and no signup required.Open tool
- Dilution CalculatorCalculate dilution ratios and final concentrations (C1V1=C2V2)Open tool
- Dimensional Analysis CheckerUse this free dimensional analysis checker for science calculations. Get instant, accurate results with clear inputs and no signup required.Open tool
- Distance to Horizon CalculatorCalculate how far you can see to the horizon based on heightOpen tool
- DNA GC Content CalculatorCalculate GC percentage, sequence length, GC count, and AT count from a DNA sequence.Open tool
- DNA/RNA Molarity CalculatorConvert DNA or RNA mass concentration to molarity, or molarity to mass concentration, using nucleic acid type and length.Open tool
- Doppler Effect CalculatorUse this free doppler effect calculator for science calculations. Get instant, accurate results with clear inputs and no signup required.Open tool
- Drag Force CalculatorUse this free drag force for science calculations. Get instant, accurate results with clear inputs and no signup required.Open tool
- Dry Friction CalculatorUse this free dry friction for science calculations. Get instant, accurate results with clear inputs and no signup required.Open tool
- Dynamic Viscosity CalculatorUse this free dynamic viscosity for science calculations. Get instant, accurate results with clear inputs and no signup required.Open tool
- Earthquake Magnitude CalculatorConvert between Richter scale, moment magnitude, and energy releasedOpen tool
- Efficiency CalculatorUse this free efficiency for science calculations. Get instant, accurate results with clear inputs and no signup required.Open tool
- Elastic Modulus CalculatorUse this free elastic modulus calculator for science calculations. Get instant, accurate results with clear inputs and no signup required.Open tool
- Electric Field Potential CalculatorUse this free electric field potential calculator for science calculations. Get instant, accurate results with clear inputs and no signup required.Open tool
- Electrical Resistivity CalculatorUse this free electrical resistivity calculator for science calculations. Get instant, accurate results with clear inputs and no signup required.Open tool
- Electro Dialysis Salt Removal CalculatorUse this free electro dialysis salt removal for science calculations. Get instant, accurate results with clear inputs and no signup required.Open tool
- Empirical & Molecular Formula CalculatorDetermine empirical and molecular formulas from composition data.Open tool
- Energy CalculatorUse this free energy for science calculations. Get instant, accurate results with clear inputs and no signup required.Open tool
- Energy Conservation CalculatorUse this free energy conservation calculator for science calculations. Get instant, accurate results with clear inputs and no signup required.Open tool
- Enthalpy Change CalculatorUse this free enthalpy change calculator for science calculations. Get instant, accurate results with clear inputs and no signup required.Open tool
- Entropy & Gibbs Free Energy CalculatorCalculate ΔS and ΔG to predict reaction spontaneity.Open tool
- Entropy Change CalculatorUse this free entropy change calculator for science calculations. Get instant, accurate results with clear inputs and no signup required.Open tool
- Equilibrium Constant (K) CalculatorCalculate equilibrium constant from concentrations.Open tool
- Error Propagation CalculatorUse this free error propagation calculator for science calculations. Get instant, accurate results with clear inputs and no signup required.Open tool
- Escape Velocity CalculatorUse this free escape velocity calculator for science calculations. Get instant, accurate results with clear inputs and no signup required.Open tool
- Faraday's Law of Electrolysis CalculatorCalculate mass deposited or dissolved during electrolysis using Faraday's law.Open tool
- Fire Pressure CalculatorUse this free fire pressure for science calculations. Get instant, accurate results with clear inputs and no signup required.Open tool
- Force and Acceleration CalculatorCalculate force, mass, and acceleration using NewtonOpen tool
- Force CalculatorUse this free force for science calculations. Get instant, accurate results with clear inputs and no signup required.Open tool
- Frequency CalculatorUse this free frequency for science calculations. Get instant, accurate results with clear inputs and no signup required.Open tool
- Friction Loss In Bend CalculatorUse this free friction loss in bend for science calculations. Get instant, accurate results with clear inputs and no signup required.Open tool
- Froude Number CalculatorUse this free froude number for science calculations. Get instant, accurate results with clear inputs and no signup required.Open tool
- Gamma Mean CalculatorUse this free gamma mean for science calculations. Get instant, accurate results with clear inputs and no signup required.Open tool
- Gel Electrophoresis Band Size CalculatorUse this free gel electrophoresis band size for science calculations. Get instant, accurate results with clear inputs and no signup required.Open tool
- Genetics and Punnett Square CalculatorCalculate inheritance probability and genetic outcomesOpen tool
- Gravimetric Analysis CalculatorCalculate mass percent and composition from gravimetric analysis data.Open tool
- Gravitational Field CalculatorUse this free gravitational field for science calculations. Get instant, accurate results with clear inputs and no signup required.Open tool
- Gravitational Force CalculatorSolve F = Gm₁m₂/r² with metric and imperial unit conversions.Open tool
- Gravitational Potential CalculatorUse this free gravitational potential for science calculations. Get instant, accurate results with clear inputs and no signup required.Open tool
- Growth Rate CalculatorUse this free growth rate for science calculations. Get instant, accurate results with clear inputs and no signup required.Open tool
- Half-Life and Radioactive Decay CalculatorCalculate radioactive decay, remaining quantity, and half-lifeOpen tool
- Harmonic Tide Model CalculatorExplore an educational water-level model using M2 and K1 harmonic constituent amplitudes and phases.Open tool
- Heat (q = mcΔT) CalculatorCalculate heat transfer and temperature changes.Open tool
- Heat Transfer CalculatorUse this free heat transfer calculator for science calculations. Get instant, accurate results with clear inputs and no signup required.Open tool
- Heisenberg Uncertainty CalculatorUse this free heisenberg uncertainty calculator for science calculations. Get instant, accurate results with clear inputs and no signup required.Open tool
- Hooke's Law CalculatorUse this free hookes law for science calculations. Get instant, accurate results with clear inputs and no signup required.Open tool
- Ideal Gas Law CalculatorUse this free ideal gas law calculator for science calculations. Get instant, accurate results with clear inputs and no signup required.Open tool
- Impulse CalculatorUse this free impulse for science calculations. Get instant, accurate results with clear inputs and no signup required.Open tool
- Induced Emf CalculatorUse this free induced emf calculator for science calculations. Get instant, accurate results with clear inputs and no signup required.Open tool
- Ionic Strength CalculatorCalculate ionic strength of solutions for activity coefficient corrections.Open tool
- Ka/Kb CalculatorCalculate acid and base dissociation constants.Open tool
- Kinematic Viscosity CalculatorUse this free kinematic viscosity for science calculations. Get instant, accurate results with clear inputs and no signup required.Open tool
- Lens Mirror Equation CalculatorUse this free lens mirror equation calculator for science calculations. Get instant, accurate results with clear inputs and no signup required.Open tool
- Ligation CalculatorUse this free ligation for science calculations. Get instant, accurate results with clear inputs and no signup required.Open tool
- Limiting Reactant CalculatorIdentify the limiting reagent in chemical reactions.Open tool
- Luminosity and Magnitude Difference CalculatorCalculate astronomical magnitude difference from two comparable fluxes or luminosities.Open tool
- Mach Number CalculatorCalculate Mach number, object speed, or local speed of sound using M = v/a.Open tool
- Magnetic Field CalculatorCalculate magnetic field magnitude from force on a moving charge using the Lorentz-force equation.Open tool
- Mass Continuity CalculatorUse this free mass continuity for science calculations. Get instant, accurate results with clear inputs and no signup required.Open tool
- Mass Flow Rate CalculatorUse this free mass flow rate for science calculations. Get instant, accurate results with clear inputs and no signup required.Open tool
- Meters per Second to Kilometers per Hour ConverterConvert speed instantly between meters per second (m/s) and kilometers per hour (km/h).Open tool
- Molar Mass and Molecular Weight CalculatorCalculate molar mass, relative formula mass, and elemental composition from a chemical formula.Open tool
- Molar Solution and Media Preparation CalculatorCalculate the solute mass needed for a target molarity and final solution volume.Open tool
- Mole CalculatorConvert between amount in moles, sample mass, and molar mass using n = m/M.Open tool
- Moment Of Inertia CalculatorUse this free moment of inertia calculator for science calculations. Get instant, accurate results with clear inputs and no signup required.Open tool
- Momentum and Collision CalculatorCalculate momentum, impulse, and collision outcomesOpen tool
- Momentum CalculatorUse this free momentum for science calculations. Get instant, accurate results with clear inputs and no signup required.Open tool
- Nernst Equation CalculatorCalculate cell potential under non-standard conditions using the Nernst equation.Open tool
- Neutralization Reaction CalculatorCalculate volumes and concentrations for acid-base neutralization reactions.Open tool
- Nuclear Decay CalculatorCalculate expected radioactive quantity remaining, quantity decayed, and decay constant from half-life.Open tool
- Nucleic Acid Dilution CalculatorCalculate DNA or RNA stock and diluent volumes for a target mass concentration.Open tool
- OD600 to Cell Density CalculatorEstimate cell density from blank-corrected OD600 and a laboratory-specific calibration factor, then calculate dilution volumes.Open tool
- Ohm's Law CalculatorCalculate voltage, current, resistance, and power in electrical circuitsOpen tool
- Oligo and Primer Resuspension CalculatorCalculate the resuspension volume needed to prepare an oligonucleotide stock from nmol and target µM concentration.Open tool
- Optical Power CalculatorUse this free optical power calculator for science calculations. Get instant, accurate results with clear inputs and no signup required.Open tool
- Orbital Mechanics CalculatorUse this free orbital mechanics calculator for science calculations. Get instant, accurate results with clear inputs and no signup required.Open tool
- Orbital Speed CalculatorUse this free orbital speed for science calculations. Get instant, accurate results with clear inputs and no signup required.Open tool
- PCR Master Mix CalculatorCalculate per-reaction and master-mix reagent volumes from stock and final concentrations, reaction count, and overage.Open tool
- Pendulum CalculatorCalculate simple-pendulum period, frequency, effective length, or local gravitational acceleration using the small-angle model.Open tool
- Percent Error and Absolute Error CalculatorCalculate signed difference, absolute error, and absolute percent error from an observed and accepted value.Open tool
- Percent Yield CalculatorCompare actual yield to theoretical yield of reactions.Open tool
- Periodic Table Element LookupFind an element by symbol or atomic number and view its representative atomic mass.Open tool
- pH and pOH CalculatorCalculate pH, pOH, hydrogen ion concentration, and hydroxide ion concentration for aqueous solutions at 25 °C.Open tool
- Phase Change CalculatorUse this free phase change calculator for science calculations. Get instant, accurate results with clear inputs and no signup required.Open tool
- Phase Diagram CalculatorEstimate the equilibrium phase of pure water from temperature and absolute pressure.Open tool
- Photoelectric Effect CalculatorUse this free photoelectric effect calculator for science calculations. Get instant, accurate results with clear inputs and no signup required.Open tool
- Photon Energy CalculatorUse this free photon energy calculator for science calculations. Get instant, accurate results with clear inputs and no signup required.Open tool
- Plasmid DNA Copy Number CalculatorEstimate plasmid DNA molecules from sample mass, plasmid length, and average molar mass per base pair.Open tool
- Poiseuille's Flow Rate CalculatorUse this free poiseuilles flow rate for science calculations. Get instant, accurate results with clear inputs and no signup required.Open tool
- Potential Energy CalculatorUse this free potential energy for science calculations. Get instant, accurate results with clear inputs and no signup required.Open tool
- Power CalculatorCalculate work-time, force-velocity, and voltage-current power relationships with unit conversion.Open tool
- Pressure CalculatorUse this free pressure for science calculations. Get instant, accurate results with clear inputs and no signup required.Open tool
- Pressure In Fluid CalculatorUse this free pressure in fluid for science calculations. Get instant, accurate results with clear inputs and no signup required.Open tool
- Projectile Motion CalculatorUse this free projectile motion calculator for science calculations. Get instant, accurate results with clear inputs and no signup required.Open tool
- PSI to Kilopascals ConverterConvert pressure bidirectionally between pounds-force per square inch and kilopascals.Open tool
- Rc Rl Rlc Circuit CalculatorUse this free rc rl rlc circuit calculator for science calculations. Get instant, accurate results with clear inputs and no signup required.Open tool
- Reactance CalculatorCalculate inductive or capacitive reactance from AC frequency and component value.Open tool
- Reaction Quotient (Q) CalculatorPredict reaction direction by comparing Q and K.Open tool
- Reaction Stoichiometry CalculatorCalculate amounts of reactants and products in chemical reactions.Open tool
- Redshift CalculatorCalculate spectral redshift, observed wavelength, or rest wavelength from the other two values.Open tool
- Relativistic Energy CalculatorCalculate Lorentz factor, rest energy, total energy, and relativistic kinetic energy.Open tool
- Resistance from Conductivity CalculatorCalculate conductor resistance, conductivity, length, or cross-sectional area using R = L/(σA).Open tool
- Restriction Digest CalculatorCalculate DNA, buffer, restriction enzyme, and water volumes for a restriction digest recipe.Open tool
- Reynolds Number CalculatorCalculate Reynolds number for fluid flow analysis with precision and accuracy.Open tool
- Rotational Dynamics CalculatorUse this free rotational dynamics for science calculations. Get instant, accurate results with clear inputs and no signup required.Open tool
- Rotational Kinematics CalculatorSolve constant-angular-acceleration equations for displacement, velocity, acceleration, or time.Open tool
- Rotational Kinetic Energy CalculatorUse this free rotational kenetic energy for science calculations. Get instant, accurate results with clear inputs and no signup required.Open tool
- Rotational Power CalculatorUse this free rotational power for science calculations. Get instant, accurate results with clear inputs and no signup required.Open tool
- Rotational Work CalculatorUse this free rotational work for science calculations. Get instant, accurate results with clear inputs and no signup required.Open tool
- Schwarzschild Radius CalculatorCalculate the Schwarzschild radius, event-horizon diameter, and light-crossing time from mass.Open tool
- Scientific Constants ReferenceSearch frequently used physical constants with CODATA values, symbols, SI units, and exact or measured status.Open tool
- Scientific Notation ConverterConvert decimal, scientific, E, engineering, and SI-prefix notation or calculate with powers of ten.Open tool
- Shear Modulus CalculatorCalculate shear modulus, shear stress, or shear strain from direct values or tangential force and specimen geometry.Open tool
- Simple Harmonic Motion CalculatorCalculate mass-spring oscillator period, frequency, angular frequency, speed, acceleration, energy, mass, or spring constant.Open tool
- Snell's Law CalculatorUse this free snells law calculator for science calculations. Get instant, accurate results with clear inputs and no signup required.Open tool
- Solubility Product (Ksp) CalculatorCalculate solubility product from molar solubility or solve molar solubility from Ksp and salt stoichiometry.Open tool
- Solution Mixing CalculatorCalculate final concentration when mixing two solutions or find source volumes for a target concentration.Open tool
- Specific Heat CalculatorUse this free specific heat calculator for science calculations. Get instant, accurate results with clear inputs and no signup required.Open tool
- Spectrophotometry Calibration CalculatorCreate calibration curves and calculate unknown concentrations from absorbance.Open tool
- Spring Potential Energy CalculatorUse this free spring potential energy for science calculations. Get instant, accurate results with clear inputs and no signup required.Open tool
- Standard Cell Potential CalculatorCalculate standard cell potential for electrochemical reactions.Open tool
- Surface Tension CalculatorUse this free surface tension for science calculations. Get instant, accurate results with clear inputs and no signup required.Open tool
- Symmetrical Inductance CalculatorUse this free symmetrical inductance for science calculations. Get instant, accurate results with clear inputs and no signup required.Open tool
- Synchronous Motor Torque CalculatorCalculate shaft torque from power and RPM or derive synchronous speed from supply frequency and motor poles.Open tool
- Thermal Expansion CalculatorUse this free thermal expansion calculator for science calculations. Get instant, accurate results with clear inputs and no signup required.Open tool
- Time Dilation CalculatorSolve Δt = γΔτ for time or speed with exact speed-of-light conversions.Open tool
- Titration Curve CalculatorPlot initial, buffer, equivalence, and excess-base regions for a monoprotic weak acid at 25 °C.Open tool
- Torque CalculatorUse this free torque calculator for science calculations. Get instant, accurate results with clear inputs and no signup required.Open tool
- Transformer Turns Ratio CalculatorSolve Vs/Vp = Ns/Np = Ip/Is for an ideal AC transformer.Open tool
- Van der Waals Equation CalculatorCalculate real gas behavior with intermolecular forces.Open tool
- Velocity CalculatorUse this free velocity for science calculations. Get instant, accurate results with clear inputs and no signup required.Open tool
- Volume Continuity CalculatorUse this free volume continuity for science calculations. Get instant, accurate results with clear inputs and no signup required.Open tool
- Volume Flow Rate CalculatorUse this free volume flow rate for science calculations. Get instant, accurate results with clear inputs and no signup required.Open tool
- Wave Equation CalculatorUse this free wave equation calculator for science calculations. Get instant, accurate results with clear inputs and no signup required.Open tool
- Wave Properties CalculatorCalculate wave speed, frequency, and wavelength with v = fλ.Open tool
- Work CalculatorCalculate mechanical work from force, displacement, and angle, or solve for any of those quantities.Open tool
- Work Energy CalculatorUse this free work energy for science calculations. Get instant, accurate results with clear inputs and no signup required.Open tool
- Young’s Modulus CalculatorCalculate Young’s modulus, normal stress, or engineering strain with E = σ/ε.Open tool
Free online science calculators
Explore 176 science calculators for physics, chemistry, biology, earth science, electronics, fluid mechanics, thermodynamics, and scientific measurement. Solve common equations, convert units, and check laboratory or engineering calculations directly in your browser.
Scientific results depend on consistent units, appropriate significant figures, and the assumptions of each formula. Review the equation and variable definitions on the calculator page before applying a result to laboratory, design, safety, or professional work.
Popular science calculators
Start with common physics, electrical, chemistry, measurement, and fluid-mechanics equations.
- Force CalculatorCalculate force from mass and acceleration using Newton’s second law.
- Ohm’s Law CalculatorSolve relationships between voltage, current, resistance, and power.
- Ideal Gas Law CalculatorSolve pressure, volume, amount, or temperature for an ideal gas.
- Density CalculatorCalculate density, mass, or volume with compatible units.
- Dilution CalculatorCalculate stock and final concentration or solution volume.
- Reynolds Number CalculatorEstimate flow regime from velocity, scale, density, and viscosity.
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Dedicated landing pages for common calculator topics in science calculators.
Frequently asked questions
What can I calculate with Science Calculators?
Tools for physics, chemistry, and other scientific fields for both students and professionals.
Are the Science Calculators free to use?
All 176 science calculators on this site are free, work in your browser, and require no signup or download.
How do I find the right science calculators?
Use the subcategory filters and search bar on this page to narrow the list, then open the calculator page that matches your task for the tool and a quick guide.