Ronnajoule is 1e+27 joule units.
Ronnajoules to Foot-pounds Converter — RJ to ft-lb
Convert Ronnajoule (RJ) to Foot-pound (ft-lb) using the exact conversion factor (1 ronnajoule = 7.375621e+26 foot-pound). See the formula, worked examples, and conversion table.
Ronnajoules 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+27 / 1.355817948.
Energy uses the joule as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Ronnajoules to Foot-pounds
Ronnajoule and Foot-pound both measure energy, and the conversion is especially useful for comparing nutrition labels (kilocalories) against scientific energy figures (joules). Specifically: Ronnajoule is 1e+27 joule units, and work from one pound-force over one foot.
Formula
foot-pounds = ronnajoules × 7.375621e+26
This factor comes from each unit's defined relationship to the category's base unit: 1 ronnajoule equals 1e+27 base units, and 1 foot-pound equals 1.35581794833 base units, so dividing one by the other gives the direct ronnajoule-to-foot-pound factor of 7.375621e+26.
Simple example
1 RJ × 7.375621e+26 = 7.375621e+26 ft-lb
1 ronnajoule = 7.375621e+26 foot-pounds.
Real-world example
100 RJ × 7.375621e+26 = 7.375621e+28 ft-lb
100 ronnajoules = 7.375621e+28 foot-pounds.
Conversion table
| Ronnajoule (RJ) | Foot-pound (ft-lb) |
|---|---|
| 1 RJ | 7.375621e+26 ft-lb |
| 10 RJ | 7.375621e+27 ft-lb |
| 100 RJ | 7.375621e+28 ft-lb |
| 500 RJ | 3.687811e+29 ft-lb |
| 1,000 RJ | 7.375621e+29 ft-lb |
| 2,000 RJ | 1.475124e+30 ft-lb |
Reverse conversion: Foot-pound to Ronnajoule
7.375621e+26 ft-lb × 1.355818e-27 = 0.9999999332 RJ
7.375621e+26 foot-pounds = 0.9999999332 ronnajoules.
ronnajoules = foot-pounds × 1.355818e-27
For a page dedicated to this direction, see Foot-pound to Ronnajoule.
Understanding the Ronnajoule (RJ)
Ronnajoule is 1e+27 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 ronnajoule?
1 ronnajoule equals 7.375621e+26 foot-pounds, using the exact defined conversion factor rather than an estimate.
How do I convert ronnajoule to foot-pound?
Multiply the ronnajoule value by 7.375621e+26. The converter above does this instantly to whatever precision you set.
How do I convert foot-pound back to ronnajoule?
Use the reverse factor: 1 foot-pound equals 1.355818e-27 ronnajoules. You can also use the swap control in the converter above to flip the direction instantly.
What is a ronnajoule?
Ronnajoule (RJ) is a unit of energy.
What is a foot-pound?
Foot-pound (ft-lb) is a unit of energy.
Is the ronnajoule to foot-pound conversion exact?
Yes. Both ronnajoule and foot-pound are defined by fixed standards rather than physical artifacts, so the factor of 7.375621e+26 used above is exact to as many digits as you choose to display.