Resistor Calculator

Decode a four-band resistor's resistance and tolerance from its color bands.

Resistance

1 kΩ

±5% tolerance

Minimum950 Ω

Maximum1.05 kΩ

Significant digits10

Multiplier×100

About the Resistor Calculator

Decode a four-band resistor's resistance and tolerance from its color bands.

It runs entirely in your browser — nothing you type is sent to a server — and the result updates as you edit the inputs. Estimates are for educational and informational purposes only; see ourdisclaimer.

Common searches

resistor color code
electronics
ohms

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