21 btu to joules
Convert 21 BTU to J
21 CM Conversion to Other Lengths
| Joules | 22156.26 |
| KiloBTU | 21000 |
| Kilojoules | 22.15626 |
| Megajoules | 0.022151898734177 |
| Gigajoules | 2.2156175717464E-5 |
| Watt Hour | 6.1547479484174 |
| Kilowatt Hour | 0.0061547479484174 |
| Megawatt Hour | 6.1547479484174E-6 |