Exajoule is 1000000000000000000 joule units.
Exajoules to Foot-pounds Converter — EJ to ft-lb
Convert Exajoule (EJ) to Foot-pound (ft-lb) using the exact conversion factor (1 exajoule = 7.375621e+17 foot-pound). See the formula, worked examples, and conversion table.
Exajoules to Foot-pounds converter
Converter
Energy Converter
Convert joules, calories, kilowatt-hours, BTU, electronvolts, therms, and mechanical work units.
Work from one pound-force over one foot.
Result = input x 1e+18 / 1.355817948.
Energy uses the joule as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Exajoules to Foot-pounds
Exajoule and Foot-pound both measure energy, and the conversion is especially useful for comparing nutrition labels (kilocalories) against scientific energy figures (joules). Specifically: Exajoule is 1000000000000000000 joule units, and work from one pound-force over one foot.
Formula
foot-pounds = exajoules × 7.375621e+17
This factor comes from each unit's defined relationship to the category's base unit: 1 exajoule equals 1e+18 base units, and 1 foot-pound equals 1.35581794833 base units, so dividing one by the other gives the direct exajoule-to-foot-pound factor of 7.375621e+17.
Simple example
1 EJ × 7.375621e+17 = 7.375621e+17 ft-lb
1 exajoule = 7.375621e+17 foot-pounds.
Real-world example
100 EJ × 7.375621e+17 = 7.375621e+19 ft-lb
100 exajoules = 7.375621e+19 foot-pounds.
Conversion table
| Exajoule (EJ) | Foot-pound (ft-lb) |
|---|---|
| 1 EJ | 7.375621e+17 ft-lb |
| 10 EJ | 7.375621e+18 ft-lb |
| 100 EJ | 7.375621e+19 ft-lb |
| 500 EJ | 3.687811e+20 ft-lb |
| 1,000 EJ | 7.375621e+20 ft-lb |
| 2,000 EJ | 1.475124e+21 ft-lb |
Reverse conversion: Foot-pound to Exajoule
7.375621e+17 ft-lb × 1.355818e-18 = 0.9999999332 EJ
7.375621e+17 foot-pounds = 0.9999999332 exajoules.
exajoules = foot-pounds × 1.355818e-18
For a page dedicated to this direction, see Foot-pound to Exajoule.
Understanding the Exajoule (EJ)
Exajoule is 1000000000000000000 joule units.
Understanding the Foot-pound (ft-lb)
Work from one pound-force over one foot.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many foot-pounds are in 1 exajoule?
1 exajoule equals 7.375621e+17 foot-pounds, using the exact defined conversion factor rather than an estimate.
How do I convert exajoule to foot-pound?
Multiply the exajoule value by 7.375621e+17. The converter above does this instantly to whatever precision you set.
How do I convert foot-pound back to exajoule?
Use the reverse factor: 1 foot-pound equals 1.355818e-18 exajoules. You can also use the swap control in the converter above to flip the direction instantly.
What is a exajoule?
Exajoule (EJ) is a unit of energy.
What is a foot-pound?
Foot-pound (ft-lb) is a unit of energy.
Is the exajoule to foot-pound conversion exact?
Yes. Both exajoule and foot-pound are defined by fixed standards rather than physical artifacts, so the factor of 7.375621e+17 used above is exact to as many digits as you choose to display.