VoltBasePRO
Electrical Reference
Visual Electronics Tool

Interactive Resistor Color Decoder

Click band color chips to decode nominal resistance in Ohms, tolerance range (±%), and thermal drift.

4.70 kΩ ±5%

Resistor Value Decoded

Nominal Resistance
4.70 kΩ

Tolerance: ±5%

Exact Resistance in Ohms
4,700 Ω
Minimum Expected Value
4,465 Ω
Maximum Expected Value
4,935 Ω

Step-by-Step Engineering Calculation

  1. 1Band 1 (Yellow): 4
  2. 2Band 2 (Violet): 7 → Significant Digits = 47
  3. 3Band 3 (Red Multiplier): × 100
  4. 4Band 4 (Gold Tolerance): ±5%
  5. 5Calculated Resistance: 47 × 100 = 4.70 kΩ (±5%)
  6. 6Tolerance Range: 4465.00 Ω to 4935.00 Ω