Fuel Efficiency by Mass converter
Energy released per unit mass of fuel, the specific energy figure quoted for fuels and batteries.
Converter
Quick pairs
tap to loadOne megajoule per kilogram in every fuel efficiency by mass unit
8 rows| Unit | Symbol | 1 MJ/kg equals |
|---|---|---|
| Joule per kilogram | J/kg | 1,000,000 |
| Kilojoule per kilogram | kJ/kg | 1,000 |
| Calorie per gram | cal/g | 239.0057361 |
| Kilocalorie per kilogram | kcal/kg | 239.0057361 |
| BTU per pound | BTU/lb | 429.9226139 |
| BTU per ounce | BTU/oz | 26.87016337 |
| Kilowatt-hour per kilogram | kWh/kg | 0.2777777778 |
| Watt-hour per kilogram | Wh/kg | 277.7777778 |
How the megajoule per kilogram to btu per pound conversion works
Multiply by 429.9226139 to go from megajoule per kilogram to btu per pound:
BTU/lb = MJ/kg × 429.9226139
Going the other way, multiply by 0.002326, which is the same as dividing by 429.9226139.
Questions
How many btu per pound are in one megajoule per kilogram?
One megajoule per kilogram equals 429.9226139 btu per pound.
Which units does this fuel efficiency by mass converter cover?
9 units in total, all referenced to the joule per kilogram. They include joule per kilogram, kilojoule per kilogram, megajoule per kilogram, calorie per gram, kilocalorie per kilogram, btu per pound and more. Pick any pair from the two dropdown lists.
How precise are the results?
Every conversion is computed in your browser at double precision from the factors listed on this page, which follow the SI definitions and the exact international agreements for imperial and US customary units. Use the Decimals control to round the display without changing the underlying value.
Does anything I type leave my device?
No. The converter is plain JavaScript running locally, with no server round-trip, and the page keeps working offline once loaded.