20 Joules to Watt-hours
Convert 20 joules (J) to watt-hours (Wh) with formulas, examples, and conversion tables.
J
Wh
20 J = 0.005556 Wh
Full precision:0.0055556 Wh
Step-by-Step Solution
To convert 20 joules to watt-hours, we divide by 3600 because one watt-hour equals exactly 3600 joules.
1 watt-hour = 3600 joules
Since there are 3600 joules in every watt-hour, we divide our value by this factor:
20 ÷ 3600 = 0.005556 watt-hours
So 20 joules = 0.005556 watt-hours.
Quick check: 0.005556 × 3600 = 20 joules
Joules to Watt-hours Conversion Table
| Joules | Watt-hours |
|---|---|
| 1 J | 0.000278 Wh |
| 2 J | 0.000556 Wh |
| 3 J | 0.000833 Wh |
| 4 J | 0.001111 Wh |
| 5 J | 0.001389 Wh |
| 10 J | 0.002778 Wh |
| 20 J | 0.005556 Wh |
| 50 J | 0.013889 Wh |
| 100 J | 0.027778 Wh |
20 Joules in Other Units
| Unit | 20 J = |
|---|---|
| Joules to Kilojoules | 0.02 kJ |
| Joules to Megajoules | 0.00002 MJ |
| Joules to Gigajoules | 2e-8 GJ |
| Joules to Watt-hours | 0.0055556 Wh |
| Joules to Kilowatt-hours | 0.00000556 kWh |
| Joules to Megawatt-hours | 5.5556e-9 MWh |
| Joules to Calories | 4.7801 cal |
| Joules to Kilocalories | 0.0047801 kcal |
| Joules to BTU | 0.018956 BTU |
| Joules to Therms | 1.8956e-7 therm |
| Joules to Foot-pounds | 14.7512 ft·lb |
| Joules to Electronvolts | 1.2483e+20 eV |
| Joules to Ergs | 200000000 erg |