Joules Converter
Convert joules (watt-seconds) (J) to other units, with every conversion from 1 J listed.
Change the values and press Calculate to work out your own figures.
Enter an amount of energy, choose its unit and the unit you want. The answer is exact until it is shown, and the same value appears in every other unit.
Show the working
- 1 J = 0.000947817120313 Btu
- 1 × 0.000947817120313 = 0.000947817120313 Btu
1 J in other units
| Conversion | 1 J equals |
|---|---|
| Joules to british thermal units | 0.000947817120313 Btu |
| Joules to calories | 0.239005736138 cal |
| Joules to electronvolts | 6.24150907446 × 10¹⁸ eV |
| Joules to gigajoules | 1 × 10⁻⁹ GJ |
| Joules to kilocalories | 0.000239005736138 kcal |
| Joules to kiloelectronvolts | 6.24150907446 × 10¹⁵ keV |
| Joules to kilojoules | 0.001 kJ |
| Joules to kilowatt-hours | 2.77777777778 × 10⁻⁷ kWh |
| Joules to megacalories | 2.39005736138 × 10⁻⁷ Mcal |
| Joules to megaelectronvolts | 6,241,509,074,460 MeV |
| Joules to megajoules | 1 × 10⁻⁶ MJ |
| Joules to megawatt-hours | 2.77777777778 × 10⁻¹⁰ MWh |
| Joules to million btu | 9.47817120313 × 10⁻¹⁰ MMBtu |
| Joules to quads | 9.47817120313 × 10⁻¹⁹ quad |
| Joules to therms | 9.47817120313 × 10⁻⁹ thm |
| Joules to watt-hours | 0.000277777777778 Wh |
About the units
- Joules (J)
- Joules (watt-seconds), a metric unit. Definition: BIPM SI Brochure, 9th edition (SI units, prefixes and units accepted for use with the SI).