To convert foot pounds to tonnes of oil equivalent, multiply by 3.238315535e-11.
The calculation uses 1 ft·lb = 3.238315535e-11 toe. Results are displayed to at most 10 significant digits. Definitions can be exact while a displayed decimal is rounded. Match the displayed precision to your original measurement.
The formula
value in toe = value in ft·lb × 3.238315535e-11
ft·lb- Input unit: foot pounds
toe- Output unit: tonnes of oil equivalent
How to use this calculator
- Enter a value in ft·lb.
- Multiply by the stored conversion factor.
- Read the result in toe; divide by the same factor to convert back.
Worked examples
Worked conversion
1 ft·lb × 3.238315535e-11 ≈ 3.238315535e-11 toe.
Reverse conversion
3.238315535e-11 toe ÷ 3.238315535e-11 ≈ 1 ft·lb. Rounding intermediate values can change the last displayed digit.
Frequently asked questions
What factor does this converter use?
It uses 3.238315535e-11 toe per ft·lb.
Why can another converter show a slightly different answer?
Check the unit convention first (such as US versus Imperial or decimal versus binary), then compare rounding. Measurement uncertainty is separate from the unit conversion.
ft·lb to toe table
| ft·lb | toe (rounded) |
|---|---|
| 0 | 0 |
| 1 | 3.238315535e-11 |
| 2 | 6.476631071e-11 |
| 5 | 1.619157768e-10 |
| 10 | 3.238315535e-10 |
| 100 | 3.238315535e-9 |
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