| 1 eV | = 1.5195898877599E-22 BTUth |
| 2 eV | = 3.0391797755198E-22 BTUth |
| 3 eV | = 4.5587696632797E-22 BTUth |
| 4 eV | = 6.0783595510396E-22 BTUth |
| 5 eV | = 7.5979494387995E-22 BTUth |
| 6 eV | = 9.1175393265594E-22 BTUth |
| 7 eV | = 1.0637129214319E-21 BTUth |
| 8 eV | = 1.2156719102079E-21 BTUth |
| 9 eV | = 1.3676308989839E-21 BTUth |
| 10 eV | = 1.5195898877599E-21 BTUth |
| 20 eV | = 3.0391797755198E-21 BTUth |
| 30 eV | = 4.5587696632797E-21 BTUth |
| 40 eV | = 6.0783595510396E-21 BTUth |
| 50 eV | = 7.5979494387995E-21 BTUth |
| 60 eV | = 9.1175393265594E-21 BTUth |
| 70 eV | = 1.0637129214319E-20 BTUth |
| 80 eV | = 1.2156719102079E-20 BTUth |
| 90 eV | = 1.3676308989839E-20 BTUth |
| 100 eV | = 1.5195898877599E-20 BTUth |
| 200 eV | = 3.0391797755198E-20 BTUth |
| 300 eV | = 4.5587696632797E-20 BTUth |
| 400 eV | = 6.0783595510396E-20 BTUth |
| 500 eV | = 7.5979494387995E-20 BTUth |
| 600 eV | = 9.1175393265594E-20 BTUth |
| 700 eV | = 1.0637129214319E-19 BTUth |
| 800 eV | = 1.2156719102079E-19 BTUth |
| 900 eV | = 1.3676308989839E-19 BTUth |
| 1000 eV | = 1.5195898877599E-19 BTUth |
| 2000 eV | = 3.0391797755198E-19 BTUth |
| 4000 eV | = 6.0783595510396E-19 BTUth |
| 5000 eV | = 7.5979494387995E-19 BTUth |
| 7500 eV | = 1.1396924158199E-18 BTUth |
| 10000 eV | = 1.5195898877599E-18 BTUth |
| 25000 eV | = 3.7989747193997E-18 BTUth |
| 50000 eV | = 7.5979494387995E-18 BTUth |
| 100000 eV | = 1.5195898877599E-17 BTUth |
| 1000000 eV | = 1.5195898877599E-16 BTUth |
| 1000000000 eV | = 1.5195898877599E-13 BTUth |