21 ohms (21 Ω)
21 ohms equals 0.021 kilohms, 0.000021 megohms, 21,000 milliohms and 2.1 × 10-8 gigohms.
21 ohms = 0.021 kilohms
21 ohms in all resistance units
| Unit | Value | Scientific notation |
|---|---|---|
| Kilohms (kΩ) | 0.021 | 2.1 × 10-2 |
| Megohms (MΩ) | 0.000021 | 2.1 × 10-5 |
| Milliohms (mΩ) | 21,000 | 2.1 × 104 |
| Gigohms (GΩ) | 2.1 × 10-8 | 2.1 × 10-8 |
| Microhms (µΩ) | 21,000,000 | 2.1 × 107 |
| Teraohms (TΩ) | 2.1 × 10-11 | 2.1 × 10-11 |
| Abohms (abΩ) | 21,000,000,000 | 2.1 × 1010 |
| Statohms (statΩ) | 2.3365651 × 10-11 | 2.33657 × 10-11 |
| Von Klitzing constants (R_K) | 0.000813549632 | 8.1355 × 10-4 |
Other amounts of ohms
About the ohm
The ohm is the SI unit of electrical resistance, impedance and reactance. Read more about ohms.