How do I read resistor color bands?

For a 4-band resistor: Band 1 and 2 are digits, Band 3 is the multiplier, Band 4 is tolerance. For 5-band: Bands 1-3 are digits, Band 4 is multiplier, Band 5 is tolerance.

What do the colors mean?

Black=0, Brown=1, Red=2, Orange=3, Yellow=4, Green=5, Blue=6, Violet=7, Grey=8, White=9. Gold multiplier=0.1, Silver=0.01.

Resistor Color Code Calculator

Decode resistor color bands to find the resistance value and tolerance. Select 4 or 5 color bands to calculate the resistor value in ohms, kilohms, or megohms.

Inputs

Number of Bands

Band 1 (1st digit)

Band 2 (2nd digit)

Band 3 (3rd digit, 5-band only)

Multiplier Band

Tolerance Band

Results

Resistance

1.00 kΩ

Tolerance

±5%

Range

950.00 Ω - 1.05 kΩ

Resistor Color Code Results

Parameter	Value
Resistance	1.00 kΩ
Resistance (exact)	1,000 Ω
Tolerance	±5%
Minimum Value	950.00 Ω
Maximum Value	1.05 kΩ
Band Count	4-band
Color Sequence	Brown, Black, Red
Base Value	10
Multiplier	×100

Frequently Asked Questions

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