Resistor Color Code Calculator Resistor Color Code Calculator Determine the resistance value and tolerance of a 4‑band resistor. * Select colors for each band.Step 1: Select Color Bands Band 1 (1st Digit): Black (0)Brown (1)Red (2)Orange (3)Yellow (4)Green (5)Blue (6)Violet (7)Gray (8)White (9) Band 2 (2nd Digit): Black (0)Brown (1)Red (2)Orange (3)Yellow (4)Green (5)Blue (6)Violet (7)Gray (8)White (9) Multiplier: Black: ×1Brown: ×10Red: ×100Orange: ×1,000Yellow: ×10,000Green: ×100,000Blue: ×1,000,000Violet: ×10,000,000Gray: ×100,000,000White: ×1,000,000,000Gold: ×0.1Silver: ×0.01 Tolerance: Brown: ±1%Red: ±2%Green: ±0.5%Blue: ±0.25%Violet: ±0.1%Gray: ±0.05%Gold: ±5%Silver: ±10%None: ±20% Calculate Resistance Equivalent ResistanceResistance Value:Tolerance: Recalculate
