Ohm's Law Calculator
enter any two values to calculate the rest
V = I x R |
P = V x I |
R = V / I |
I = V / R
Common Component Presets
Resistance Color Band Decoder (4-Band)
Band 1
Band 2
Multiplier
Tolerance
2.4 kΩ
±5% (2,280 – 2,520 Ω)
AWG Wire Gauge Reference
| AWG |
Dia (mm) |
Area (mm²) |
Ω/km |
Max A |
Common Use |
| 4 | 5.19 | 21.15 | 0.815 | 85 | Feeder cables |
| 6 | 4.11 | 13.30 | 1.296 | 65 | Large appliances |
| 8 | 3.26 | 8.37 | 2.061 | 50 | Range, dryer |
| 10 | 2.59 | 5.26 | 3.277 | 35 | Dryer, AC |
| 12 | 2.05 | 3.31 | 5.211 | 25 | Kitchen, bath |
| 14 | 1.63 | 2.08 | 8.286 | 20 | General purpose |
| 16 | 1.29 | 1.31 | 13.17 | 13 | Light fixtures |
| 18 | 1.02 | 0.82 | 20.95 | 10 | Low-voltage, bells |
| 20 | 0.81 | 0.52 | 33.31 | 7 | Electronics |
| 22 | 0.64 | 0.33 | 52.96 | 5 | Signals, sensors |
| 24 | 0.51 | 0.20 | 84.22 | 3.5 | Data cables |
| 26 | 0.40 | 0.13 | 133.9 | 2.2 | Patch cables |
| 28 | 0.32 | 0.08 | 212.9 | 1.4 | Ribbon cable |
| 30 | 0.25 | 0.05 | 338.6 | 0.9 | Wire wrap |