| 1 Ry | = 2.067502682477E-21 BTUth |
| 2 Ry | = 4.1350053649539E-21 BTUth |
| 3 Ry | = 6.2025080474309E-21 BTUth |
| 4 Ry | = 8.2700107299079E-21 BTUth |
| 5 Ry | = 1.0337513412385E-20 BTUth |
| 6 Ry | = 1.2405016094862E-20 BTUth |
| 7 Ry | = 1.4472518777339E-20 BTUth |
| 8 Ry | = 1.6540021459816E-20 BTUth |
| 9 Ry | = 1.8607524142293E-20 BTUth |
| 10 Ry | = 2.067502682477E-20 BTUth |
| 20 Ry | = 4.1350053649539E-20 BTUth |
| 30 Ry | = 6.2025080474309E-20 BTUth |
| 40 Ry | = 8.2700107299079E-20 BTUth |
| 50 Ry | = 1.0337513412385E-19 BTUth |
| 60 Ry | = 1.2405016094862E-19 BTUth |
| 70 Ry | = 1.4472518777339E-19 BTUth |
| 80 Ry | = 1.6540021459816E-19 BTUth |
| 90 Ry | = 1.8607524142293E-19 BTUth |
| 100 Ry | = 2.067502682477E-19 BTUth |
| 200 Ry | = 4.1350053649539E-19 BTUth |
| 300 Ry | = 6.2025080474309E-19 BTUth |
| 400 Ry | = 8.2700107299079E-19 BTUth |
| 500 Ry | = 1.0337513412385E-18 BTUth |
| 600 Ry | = 1.2405016094862E-18 BTUth |
| 700 Ry | = 1.4472518777339E-18 BTUth |
| 800 Ry | = 1.6540021459816E-18 BTUth |
| 900 Ry | = 1.8607524142293E-18 BTUth |
| 1000 Ry | = 2.067502682477E-18 BTUth |
| 2000 Ry | = 4.1350053649539E-18 BTUth |
| 4000 Ry | = 8.2700107299079E-18 BTUth |
| 5000 Ry | = 1.0337513412385E-17 BTUth |
| 7500 Ry | = 1.5506270118577E-17 BTUth |
| 10000 Ry | = 2.067502682477E-17 BTUth |
| 25000 Ry | = 5.1687567061924E-17 BTUth |
| 50000 Ry | = 1.0337513412385E-16 BTUth |
| 100000 Ry | = 2.067502682477E-16 BTUth |
| 1000000 Ry | = 2.067502682477E-15 BTUth |
| 1000000000 Ry | = 2.067502682477E-12 BTUth |