21 BTU to Gigajoules
Convert 21 btu (BTU) to gigajoules (GJ) with formulas, examples, and conversion tables.
BTU
GJ
21 btu (BTU) = 2.215626e-5 Gigajoules (GJ)
Round to:
Step-by-Step Solution
1Write the conversion factor:
1 Gigajoule = 947813.394499 btu
2Divide the value by the conversion factor:
21 ÷ 947813.394499 = 2.215626e-5
3Result:
21 btu (BTU) = 2.215626e-5 Gigajoules (GJ)
BTU to Gigajoules Conversion Table
| BTU | Gigajoules |
|---|---|
| 1 BTU | 1.05506e-6 GJ |
| 2 BTU | 2.11012e-6 GJ |
| 3 BTU | 3.16518e-6 GJ |
| 4 BTU | 4.22024e-6 GJ |
| 5 BTU | 5.2753e-6 GJ |
| 10 BTU | 1.05506e-5 GJ |
| 20 BTU | 2.11012e-5 GJ |
| 21 BTU | 2.21563e-5 GJ |
| 50 BTU | 5.2753e-5 GJ |
| 100 BTU | 0.000105506 GJ |
21 BTU in Other Units
| Unit | 21 BTU = |
|---|---|
| BTU to Joules | 22156.26 J |
| BTU to Kilojoules | 22.15626 kJ |
| BTU to Megajoules | 0.02215626 MJ |
| BTU to Gigajoules | 2.215626e-5 GJ |
| BTU to Watt-hours | 6.15451666667 Wh |
| BTU to Kilowatt-hours | 0.00615451666667 kWh |
| BTU to Megawatt-hours | 6.15451666667e-6 MWh |
| BTU to Calories | 5295.47323136 cal |
| BTU to Kilocalories | 5.29547323136 kcal |
| BTU to Therms | 0.000210000825505 therm |
| BTU to Foot-pounds | 16341.5940169 ft·lb |
| BTU to Electronvolts | 1.38288207318e23 eV |
| BTU to Ergs | 2.215626e11 erg |