Density calculator Resistor Color Code Calculator4-Band Resistor Color Code Calculator First Band (1st digit): Choose colorBlack (0)Brown (1)Red (2)Orange (3)Yellow (4)Green (5)Blue (6)Violet (7)Gray (8)White (9) Second Band (2nd digit): Choose colorBlack (0)Brown (1)Red (2)Orange (3)Yellow (4)Green (5)Blue (6)Violet (7)Gray (8)White (9) Multiplier Band: Choose colorBlack (x1)Brown (x10)Red (x100)Orange (x1,000)Yellow (x10,000)Green (x100,000)Blue (x1,000,000)Violet (x10,000,000)Gray (x100,000,000)White (x1,000,000,000)Gold (x0.1)Silver (x0.01) Tolerance: Choose colorBrown (±1%)Red (±2%)Green (±0.5%)Blue (±0.25%)Violet (±0.1%)Gold (±5%)Silver (±10%)None (±20%) Calculate ResistanceSelect all color bands and click Calculate