PRAYOGSETU LAB • ELECTRONICS BENCH

RESISTOR COLOUR CODE CALCULATOR

Decode resistor colour bands and generate colour codes from resistance values.

4-BAND RESISTOR PREVIEW
1 kΩ ±5%
1st Digit 2nd Digit Multiplier Tolerance
NOMINAL RESISTANCE
1 kΩ ±5%
1,000 Ω
MINIMUM RESISTANCE
950 Ω
Nominal − Tolerance
MAXIMUM RESISTANCE
1.05 kΩ
Nominal + Tolerance
CONFIGURATION:

Select Colour Bands

Select the colour for each band to calculate the resistance and tolerance range in real-time.

BAND 1 1st Significant Digit
▾
BAND 2 2nd Significant Digit
▾
MULTIPLIER Multiplier Factor
▾
TOLERANCE Precision ±%
▾

Enter Resistance Value

Enter the target resistance and tolerance to generate standard colour codes.

Supports decimals (e.g. 4.7, 0.47, 220)

CALCULATED COLOUR SEQUENCE