Law of Sines & Cosines Calculator Law of Sines & Cosines Calculator Select a law and choose which unknown to solve for. The calculator will compute the missing side or angle with detailed steps. Enter Parameters Select Law: Law of SinesLaw of Cosines Solve for: Side \( a \): Side \( b \): Included Angle […]
Read MorePercentage Decrease Calculator Percentage Decrease Calculator Calculate the percentage decrease from an original value to a new, lower value. For example, if the original value is 80 and the new value is 60: $$ \frac{80-60}{80} \times 100 = 25\%.$$ Step 1: Enter Values Original Value: Enter the original (starting) value (e.g., 80) New Value: Enter […]
Read MoreAverage Percentage Calculator Compute the average of percentage values. For example, to compute the average of 20%, 30%, and 40%: $$ \frac{20+30+40}{3} = 30\%.$$ Step 1: Enter Percentages Percentage 1 (%): Enter a percentage value (e.g., 20) Percentage 2 (%): Enter a percentage value (e.g., 30) Add Percentage Remove Last Calculate Average Result Average: New […]
Read MoreFraction to Percent Calculator Fraction to Percent Calculator Convert a fraction into its percentage equivalent. For example, for the fraction \( \frac{1}{2} \): $$ \frac{1}{2} \times 100 = 50\%.$$ Step 1: Enter the Fraction Numerator: Enter the numerator (e.g., 1) Denominator: Enter the denominator (e.g., 2) Calculate Percentage Result Percentage: New Calculation The calculation performed […]
Read MoreDecimal to Percent Converter Decimal to Percent Converter Convert a decimal number into its percentage equivalent. For example, converting 0.75: $$0.75 \times 100 = 75\%.$$ Step 1: Enter a Decimal Decimal Value: Enter a decimal value (e.g., 0.75) Convert to Percentage Result Percentage: New Conversion The calculation performed is: $$ \text{Percentage} = \text{Decimal} \times 100\%. […]
Read MorePercentage Change Calculator Percentage Change Calculator Calculate the percentage change between an original value and a new value. For example, if the original value is 50 and the new value is 75: $$ \frac{75 – 50}{50} \times 100 = 50\%.$$ Step 1: Enter Values Original Value: Enter the original value (e.g., 50) New Value: Enter […]
Read MoreThe Octagon Calculator is designed to help users compute various properties of a regular octagon—specifically its Perimeter, Side Length, and Area. Here’s an overview of the concepts behind these calculations and how the calculator works. Octagon Calculator Solve for Perimeter Solve for Side Solve for Area Side (a): Calculate Perimeter Perimeter (P): 0 units Perimeter […]
Read MorePercentage Point Calculator Percentage Point Calculator Calculate the difference (in percentage points) between two percentages. For example, the difference between \( 40\% \) and \( 55\% \) is: $$ 55\% – 40\% = 15 \text{ percentage points}. $$ Step 1: Enter Percentages Percentage 1 (%): Enter the first percentage (e.g., 40) Percentage 2 (%): Enter […]
Read MorePercent Error Calculator Percent Error Calculator Calculate the percent error using: $$ \text{Percent Error} = \left| \frac{\text{Measured Value} – \text{Actual Value}}{\text{Actual Value}} \right| \times 100\% $$ Step 1: Enter Values Measured Value: Enter the observed or measured value (e.g., 47). Actual Value: Enter the true or accepted value (e.g., 50). Calculate Result Percent Error: New […]
Read MoreTime Percentage Calculator Time Percentage Calculator Calculate the percentage of elapsed time relative to the total time. For example, if the total time is 200 minutes and the elapsed time is 50 minutes: $$ \frac{50}{200} \times 100 = 25\%.$$ Step 1: Enter Time Values Total Time: Enter the total time (e.g., 200 minutes) Elapsed Time: […]
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