Energy conversion
1 btu (international table) (BTUₕᵀ) equals 778.169262265965 foot-pound (ft·lb). Enter any value below to convert from BTUₕᵀ to ft·lb.
Enter a value and choose units. Results update instantly.
1 BTUₕᵀ = 778.169262266 ft·lb
| Unit | Value |
|---|---|
| Joule J | 1,055.05585262 |
| Kilojoule kJ | 1.0550558526 |
| Thermochemical calorie cal | 252.1644007218 |
| Kilocalorie kcal | 0.2521644007 |
| Watt-hour Wh | 0.2930710702 |
| Kilowatt-hour kWh | 0.0002930711 |
| BTU (International Table) BTUₕᵀ | 1 |
| Foot-pound ft·lb | 778.169262266 |
| Electronvolt eV | 6.5851406782e21 |
Formula
Use this relationship for a direct conversion:
2 BTUₕᵀ = 1,556.3385245319 ft·lb.
The thermochemical calorie and International Table BTU are named explicitly to avoid ambiguous legacy definitions.
Quick reference
| BTU (International Table) (BTUₕᵀ) | Foot-pound (ft·lb) |
|---|---|
| 0.01 | 7.7816926227 |
| 0.1 | 77.8169262266 |
| 1 | 778.169262266 |
| 2 | 1,556.3385245319 |
| 5 | 3,890.8463113298 |
| 10 | 7,781.6926226597 |
| 25 | 19,454.2315566491 |
| 50 | 38,908.4631132983 |
| 100 | 77,816.9262265965 |
| 1,000 | 778,169.2622659652 |
From unit
The International Table British thermal unit.
Symbol: BTUₕᵀ
To unit
Work from one pound-force through one foot.
Symbol: ft·lb
Keep converting
Source
Definitions are checked against NIST SP 811: Energy units. Calculations use full internal precision before display rounding.
View the complete energy converterQuestions
Use the formula ft·lb = BTUₕᵀ x 778.169262265965. 1 btu (international table) (BTUₕᵀ) equals 778.169262265965 foot-pound (ft·lb).
The thermochemical calorie and International Table BTU are named explicitly to avoid ambiguous legacy definitions.
