| 1 keV | = 1.5189362194303E-19 BTU59°F |
| 2 keV | = 3.0378724388607E-19 BTU59°F |
| 3 keV | = 4.556808658291E-19 BTU59°F |
| 4 keV | = 6.0757448777214E-19 BTU59°F |
| 5 keV | = 7.5946810971517E-19 BTU59°F |
| 6 keV | = 9.113617316582E-19 BTU59°F |
| 7 keV | = 1.0632553536012E-18 BTU59°F |
| 8 keV | = 1.2151489755443E-18 BTU59°F |
| 9 keV | = 1.3670425974873E-18 BTU59°F |
| 10 keV | = 1.5189362194303E-18 BTU59°F |
| 20 keV | = 3.0378724388607E-18 BTU59°F |
| 30 keV | = 4.556808658291E-18 BTU59°F |
| 40 keV | = 6.0757448777214E-18 BTU59°F |
| 50 keV | = 7.5946810971517E-18 BTU59°F |
| 60 keV | = 9.113617316582E-18 BTU59°F |
| 70 keV | = 1.0632553536012E-17 BTU59°F |
| 80 keV | = 1.2151489755443E-17 BTU59°F |
| 90 keV | = 1.3670425974873E-17 BTU59°F |
| 100 keV | = 1.5189362194303E-17 BTU59°F |
| 200 keV | = 3.0378724388607E-17 BTU59°F |
| 300 keV | = 4.556808658291E-17 BTU59°F |
| 400 keV | = 6.0757448777214E-17 BTU59°F |
| 500 keV | = 7.5946810971517E-17 BTU59°F |
| 600 keV | = 9.113617316582E-17 BTU59°F |
| 700 keV | = 1.0632553536012E-16 BTU59°F |
| 800 keV | = 1.2151489755443E-16 BTU59°F |
| 900 keV | = 1.3670425974873E-16 BTU59°F |
| 1000 keV | = 1.5189362194303E-16 BTU59°F |
| 2000 keV | = 3.0378724388607E-16 BTU59°F |
| 4000 keV | = 6.0757448777214E-16 BTU59°F |
| 5000 keV | = 7.5946810971517E-16 BTU59°F |
| 7500 keV | = 1.1392021645728E-15 BTU59°F |
| 10000 keV | = 1.5189362194303E-15 BTU59°F |
| 25000 keV | = 3.7973405485758E-15 BTU59°F |
| 50000 keV | = 7.5946810971517E-15 BTU59°F |
| 100000 keV | = 1.5189362194303E-14 BTU59°F |
| 1000000 keV | = 1.5189362194303E-13 BTU59°F |
| 1000000000 keV | = 1.5189362194303E-10 BTU59°F |