| British thermal unit (International Table) | Calories (International Table) |
|---|---|
| 1 BTUIT | 251.99576111111 calIT |
| 2 BTUIT | 503.99152222222 calIT |
| 3 BTUIT | 755.98728333333 calIT |
| 4 BTUIT | 1007.9830444444 calIT |
| 5 BTUIT | 1259.9788055556 calIT |
| 6 BTUIT | 1511.9745666667 calIT |
| 7 BTUIT | 1763.9703277778 calIT |
| 8 BTUIT | 2015.9660888889 calIT |
| 9 BTUIT | 2267.96185 calIT |
| 10 BTUIT | 2519.9576111111 calIT |
| British thermal unit (International Table) | Calories (International Table) |
|---|---|
| 15 BTUIT | 3779.9364166667 calIT |
| 20 BTUIT | 5039.9152222222 calIT |
| 30 BTUIT | 7559.8728333333 calIT |
| 40 BTUIT | 10079.830444444 calIT |
| 50 BTUIT | 12599.788055556 calIT |
| 60 BTUIT | 15119.745666667 calIT |
| 70 BTUIT | 17639.703277778 calIT |
| 80 BTUIT | 20159.660888889 calIT |
| 90 BTUIT | 22679.6185 calIT |
| 100 BTUIT | 25199.576111111 calIT |
| British thermal unit (International Table) | Calories (International Table) |
|---|---|
| 500 BTUIT | 125997.88055556 calIT |
| 1000 BTUIT | 251995.76111111 calIT |
| 1500 BTUIT | 377993.64166667 calIT |
| 10000 BTUIT | 2519957.6111111 calIT |
| 50000 BTUIT | 12599788.055556 calIT |
| 100000 BTUIT | 25199576.111111 calIT |
| 500000 BTUIT | 125997880.55556 calIT |
| 1000000 BTUIT | 251995761.11111 calIT |
| 5000000 BTUIT | 1259978805.5556 calIT |
| 10000000 BTUIT | 2519957611.1111 calIT |