SWG to mm Converter
Convert Standard Wire Gauge (SWG) numbers to millimeter diameters.
AWG to mm Converter
Convert American Wire Gauge (AWG) numbers to millimeter diameters.
Wire Resistance Calculator
Calculate the electrical resistance of a wire based on alloy grade, diameter, and length.
Formula
R = (ρ × L) / A
Where: R = Resistance (Ω), ρ = Resistivity (Ω·mm²/m), L = Length (m), A = Cross-sectional area = π × (d/2)² (mm²)
Ohm’s Law Calculator
Enter any two values and click Calculate to find the remaining values.
Formulas Used
P = V × I | V = I × R | P = I² × R