Resistor Calculator

Used only when writing colours from a resistance.
Resistance
1,000.0000 ohm
Resistor Color Code Calculator
Resistance
1 kohm
Tolerance
5.000 %
Minimum value in tolerance
950.0000 ohm
Maximum value in tolerance
1,050.0000 ohm
Nearest E24 preferred value
1,000.0000 ohm
Nearest E96 preferred value
1,000.0000 ohm
Worked out from IEC 60062, Marking codes for resistors and capacitors and 1 other source.

How this is worked out

3 steps
  1. 4-band code: brown - black - red - gold.
  2. Significant figures 10, multiplier x100: 10 x 100 = 1000 ohm.
  3. Tolerance +/-5% gives 950 to 1050 ohm.
Band colourstable
brown, black, red, gold
What each band meanstable
brown = significant figure 1 (1), black = significant figure 2 (0), red = multiplier x100, gold = tolerance +/-5%

Results are general information, not financial, tax, legal, medical or engineering advice.