| 1 BTU | = 2.9307111111111E+20 zWh |
| 2 BTU | = 5.8614222222222E+20 zWh |
| 3 BTU | = 8.7921333333333E+20 zWh |
| 4 BTU | = 1.1722844444444E+21 zWh |
| 5 BTU | = 1.4653555555556E+21 zWh |
| 6 BTU | = 1.7584266666667E+21 zWh |
| 7 BTU | = 2.0514977777778E+21 zWh |
| 8 BTU | = 2.3445688888889E+21 zWh |
| 9 BTU | = 2.63764E+21 zWh |
| 10 BTU | = 2.9307111111111E+21 zWh |
| 20 BTU | = 5.8614222222222E+21 zWh |
| 30 BTU | = 8.7921333333333E+21 zWh |
| 40 BTU | = 1.1722844444444E+22 zWh |
| 50 BTU | = 1.4653555555556E+22 zWh |
| 60 BTU | = 1.7584266666667E+22 zWh |
| 70 BTU | = 2.0514977777778E+22 zWh |
| 80 BTU | = 2.3445688888889E+22 zWh |
| 90 BTU | = 2.63764E+22 zWh |
| 100 BTU | = 2.9307111111111E+22 zWh |
| 200 BTU | = 5.8614222222222E+22 zWh |
| 300 BTU | = 8.7921333333333E+22 zWh |
| 400 BTU | = 1.1722844444444E+23 zWh |
| 500 BTU | = 1.4653555555556E+23 zWh |
| 600 BTU | = 1.7584266666667E+23 zWh |
| 700 BTU | = 2.0514977777778E+23 zWh |
| 800 BTU | = 2.3445688888889E+23 zWh |
| 900 BTU | = 2.63764E+23 zWh |
| 1000 BTU | = 2.9307111111111E+23 zWh |
| 2000 BTU | = 5.8614222222222E+23 zWh |
| 4000 BTU | = 1.1722844444444E+24 zWh |
| 5000 BTU | = 1.4653555555556E+24 zWh |
| 7500 BTU | = 2.1980333333333E+24 zWh |
| 10000 BTU | = 2.9307111111111E+24 zWh |
| 25000 BTU | = 7.3267777777778E+24 zWh |
| 50000 BTU | = 1.4653555555556E+25 zWh |
| 100000 BTU | = 2.9307111111111E+25 zWh |
| 1000000 BTU | = 2.9307111111111E+26 zWh |
| 1000000000 BTU | = 2.9307111111111E+29 zWh |