# rest energy

> product of the rest mass and the square of the speed of light in vacuum

**Wikidata**: [Q11663629](https://www.wikidata.org/wiki/Q11663629)  
**Source**: https://4ort.xyz/entity/rest-energy-q11663629


## References

1. ISO 80000-10:2019 Quantities and units — Part 10: Atomic and nuclear physics