| Celsius heat unit | British thermal unit (International Table) |
|---|---|
| 1 CHUIT | 1.8 BTUIT |
| 2 CHUIT | 3.6 BTUIT |
| 3 CHUIT | 5.4 BTUIT |
| 4 CHUIT | 7.2 BTUIT |
| 5 CHUIT | 9 BTUIT |
| 6 CHUIT | 10.8 BTUIT |
| 7 CHUIT | 12.6 BTUIT |
| 8 CHUIT | 14.4 BTUIT |
| 9 CHUIT | 16.2 BTUIT |
| 10 CHUIT | 18 BTUIT |
| Celsius heat unit | British thermal unit (International Table) |
|---|---|
| 15 CHUIT | 27 BTUIT |
| 20 CHUIT | 36 BTUIT |
| 30 CHUIT | 54 BTUIT |
| 40 CHUIT | 72 BTUIT |
| 50 CHUIT | 90 BTUIT |
| 60 CHUIT | 108 BTUIT |
| 70 CHUIT | 126 BTUIT |
| 80 CHUIT | 144 BTUIT |
| 90 CHUIT | 162 BTUIT |
| 100 CHUIT | 180 BTUIT |
| Celsius heat unit | British thermal unit (International Table) |
|---|---|
| 500 CHUIT | 900 BTUIT |
| 1000 CHUIT | 1800 BTUIT |
| 1500 CHUIT | 2700 BTUIT |
| 10000 CHUIT | 18000 BTUIT |
| 50000 CHUIT | 90000 BTUIT |
| 100000 CHUIT | 180000 BTUIT |
| 500000 CHUIT | 900000 BTUIT |
| 1000000 CHUIT | 1800000 BTUIT |
| 5000000 CHUIT | 9000000 BTUIT |
| 10000000 CHUIT | 18000000 BTUIT |