Coaxial Cable Calculator Coaxial Cable Calculator Calculate the characteristic impedance \(Z_0\) using: $$ Z_0 = \frac{60}{\sqrt{\epsilon_r}} \ln\!\left(\frac{D}{d}\right) $$ * Enter the inner diameter of the outer conductor (\(D\)) and the outer diameter of the inner conductor (\(d\)) in the same unit (e.g., mm), and the relative permittivity \(\epsilon_r\) of the dielectric. Step 1: Enter Parameters […]
Read MoreFlat Spiral Coil Inductance Calculator Flat Spiral Coil Inductance Calculator Calculate the inductance \(L\) using: $$ L = \frac{\mu_0 \, n^2 \, d_{\text{avg}}}{2} \ln\!\left(\frac{2.46}{\gamma}\right) $$ * Enter the inner diameter (\(d_{\text{in}}\)) and outer diameter (\(d_{\text{out}}\)) in millimeters (mm) and the number of turns \(n\). The diameters are converted to meters automatically. Step 1: Enter Parameters […]
Read MoreWire Over Plane Inductance Calculator Calculate the self-inductance \( L \) using: $$ L = \frac{\mu_0 \, l}{2\pi}\ln\!\left(\frac{2h}{r}\right) $$ * Enter the wire length \( l \) in meters, the height \( h \) (mm) above the plane, and the wire radius \( r \) (mm). The calculator converts mm to m. Step 1: Enter […]
Read MoreParallel Wire Inductance Calculator Parallel Wire Inductance Calculator Estimate the inductance using: $$ L = \frac{\mu_0 \, l}{\pi}\ln\!\left(\frac{D}{r}\right) $$ * Enter the wire length \(l\) in meters (m), the center-to-center spacing \(D\) in millimeters (mm), and the wire radius \(r\) in millimeters (mm). The calculator converts mm to m automatically. Step 1: Enter Parameters Wire […]
Read MoreWire Self Inductance Calculator Wire Self Inductance Calculator Calculate the self-inductance \( L \) using: $$ L = \frac{\mu_0 \, l}{2\pi}\left[\ln\left(\frac{2l}{r}\right) – 1\right] $$ * Enter the wire length \( l \) in meters (m) and the wire radius \( r \) in millimeters (mm). The radius is converted to meters automatically. Step 1: Enter […]
Read MoreSpring Force using Hooke’s Law Calculator Spring Force using Hooke’s Law Calculator Calculate the spring force \( F \) using: $$ F = k \, x $$ * Ensure that the spring constant \( k \) is in newtons per meter (N/m) and the displacement \( x \) is in meters (m). Step 1: Enter […]
Read MoreSpring Constant using Hooke’s Law Calculator Spring Constant using Hooke’s Law Calculator Calculate the spring constant \( k \) using: $$ k = \frac{F}{x} $$ * Ensure that the applied force \( F \) is in newtons (N) and the displacement \( x \) is in meters (m). Step 1: Enter Parameters Applied Force, \( […]
Read MoreHelical Spring Rate Calculator Helical Spring Rate Calculator Calculate the spring rate \( k \) using: $$ k = \frac{G \, d^4}{8 \, D^3 \, n} $$ * \( G \) is the shear modulus (N/m²), \( d \) and \( D \) are in millimeters (mm) and will be converted to meters, and \( […]
Read MoreHelical Spring Index Calculator Helical Spring Index Calculator Calculate the Spring Index using the formula: $$ C = \frac{D}{d} $$ * Ensure that the mean coil diameter \(D\) and the wire diameter \(d\) are provided in the same unit. Step 1: Enter Parameters Mean Coil Diameter, \( D \) (mm): e.g., 50 mm Wire Diameter, […]
Read MoreHelical Spring Axial Deflection Calculator Helical Spring Axial Deflection Calculator Calculate the axial deflection \( \delta \) using: $$ \delta = \frac{8 F D^3 n}{G d^4} $$ * Ensure that the force \( F \) is in newtons (N), the mean coil diameter \( D \) and wire diameter \( d \) are in millimeters […]
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