| 1 ft lbf | = 8.4623322493815E+15 keV |
| 2 ft lbf | = 1.6924664498763E+16 keV |
| 3 ft lbf | = 2.5386996748144E+16 keV |
| 4 ft lbf | = 3.3849328997526E+16 keV |
| 5 ft lbf | = 4.2311661246907E+16 keV |
| 6 ft lbf | = 5.0773993496289E+16 keV |
| 7 ft lbf | = 5.923632574567E+16 keV |
| 8 ft lbf | = 6.7698657995052E+16 keV |
| 9 ft lbf | = 7.6160990244433E+16 keV |
| 10 ft lbf | = 8.4623322493815E+16 keV |
| 20 ft lbf | = 1.6924664498763E+17 keV |
| 30 ft lbf | = 2.5386996748144E+17 keV |
| 40 ft lbf | = 3.3849328997526E+17 keV |
| 50 ft lbf | = 4.2311661246907E+17 keV |
| 60 ft lbf | = 5.0773993496289E+17 keV |
| 70 ft lbf | = 5.923632574567E+17 keV |
| 80 ft lbf | = 6.7698657995052E+17 keV |
| 90 ft lbf | = 7.6160990244433E+17 keV |
| 100 ft lbf | = 8.4623322493815E+17 keV |
| 200 ft lbf | = 1.6924664498763E+18 keV |
| 300 ft lbf | = 2.5386996748144E+18 keV |
| 400 ft lbf | = 3.3849328997526E+18 keV |
| 500 ft lbf | = 4.2311661246907E+18 keV |
| 600 ft lbf | = 5.0773993496289E+18 keV |
| 700 ft lbf | = 5.923632574567E+18 keV |
| 800 ft lbf | = 6.7698657995052E+18 keV |
| 900 ft lbf | = 7.6160990244433E+18 keV |
| 1000 ft lbf | = 8.4623322493815E+18 keV |
| 2000 ft lbf | = 1.6924664498763E+19 keV |
| 4000 ft lbf | = 3.3849328997526E+19 keV |
| 5000 ft lbf | = 4.2311661246907E+19 keV |
| 7500 ft lbf | = 6.3467491870361E+19 keV |
| 10000 ft lbf | = 8.4623322493815E+19 keV |
| 25000 ft lbf | = 2.1155830623454E+20 keV |
| 50000 ft lbf | = 4.2311661246907E+20 keV |
| 100000 ft lbf | = 8.4623322493815E+20 keV |
| 1000000 ft lbf | = 8.4623322493815E+21 keV |
| 1000000000 ft lbf | = 8.4623322493815E+24 keV |