Resistors - Color Codes Calculator

A calculator tool for determining resistor values from color codes. Supports both four-band and five-band fixed resistors with color code interpretation.

Resistors - Color Codes Calculator

Color Code Reference

ColorSignificant FiguresMultiplierTolerance
Silver10⁻²±10%
Gold10⁻¹±5%
Black01
Brown110±1%
Red210²±2%
Orange310³
Yellow410⁴
Green510⁵±0.5%
Blue610⁶±0.25%
Violet710⁷±0.1%
Grey810⁸
White910⁹
None±20%
Calculator

Inputs

Results

Resistance Value-- Ω
Tolerance-- %
Calculator

Inputs

Results

Resistance Value-- Ω
Tolerance-- %