Watt Hours to Gigajoules (Wh → GJ)
Formula
1 Wh = 0.0000036 GJConversion Table
| Wh | GJ |
|---|---|
| 0 | 0 |
| 1.0000 | 0.0000036000 |
| 2.0000 | 0.0000072000 |
| 3.0000 | 0.000010800 |
| 4.0000 | 0.000014400 |
| 5.0000 | 0.000018000 |
| 6.0000 | 0.000021600 |
| 7.0000 | 0.000025200 |
| 8.0000 | 0.000028800 |
| 9.0000 | 0.000032400 |
| 10.000 | 0.000036000 |
| 11.000 | 0.000039600 |
| 12.000 | 0.000043200 |
| 13.000 | 0.000046800 |
| 14.000 | 0.000050400 |
| 15.000 | 0.000054000 |
| 16.000 | 0.000057600 |
| 17.000 | 0.000061200 |
| 18.000 | 0.000064800 |
| 19.000 | 0.000068400 |
| Wh | GJ |
|---|---|
| 20.000 | 0.000072000 |
| 21.000 | 0.000075600 |
| 22.000 | 0.000079200 |
| 23.000 | 0.000082800 |
| 24.000 | 0.000086400 |
| 25.000 | 0.000090000 |
| 26.000 | 0.000093600 |
| 27.000 | 0.000097200 |
| 28.000 | 0.00010080 |
| 29.000 | 0.00010440 |
| 30.000 | 0.00010800 |
| 31.000 | 0.00011160 |
| 32.000 | 0.00011520 |
| 33.000 | 0.00011880 |
| 34.000 | 0.00012240 |
| 35.000 | 0.00012600 |
| 36.000 | 0.00012960 |
| 37.000 | 0.00013320 |
| 38.000 | 0.00013680 |
| 39.000 | 0.00014040 |
| Wh | GJ |
|---|---|
| 40.000 | 0.00014400 |
| 41.000 | 0.00014760 |
| 42.000 | 0.00015120 |
| 43.000 | 0.00015480 |
| 44.000 | 0.00015840 |
| 45.000 | 0.00016200 |
| 46.000 | 0.00016560 |
| 47.000 | 0.00016920 |
| 48.000 | 0.00017280 |
| 49.000 | 0.00017640 |
| 50.000 | 0.00018000 |
| 51.000 | 0.00018360 |
| 52.000 | 0.00018720 |
| 53.000 | 0.00019080 |
| 54.000 | 0.00019440 |
| 55.000 | 0.00019800 |
| 56.000 | 0.00020160 |
| 57.000 | 0.00020520 |
| 58.000 | 0.00020880 |
| 59.000 | 0.00021240 |
| Wh | GJ |
|---|---|
| 60.000 | 0.00021600 |
| 61.000 | 0.00021960 |
| 62.000 | 0.00022320 |
| 63.000 | 0.00022680 |
| 64.000 | 0.00023040 |
| 65.000 | 0.00023400 |
| 66.000 | 0.00023760 |
| 67.000 | 0.00024120 |
| 68.000 | 0.00024480 |
| 69.000 | 0.00024840 |
| 70.000 | 0.00025200 |
| 71.000 | 0.00025560 |
| 72.000 | 0.00025920 |
| 73.000 | 0.00026280 |
| 74.000 | 0.00026640 |
| 75.000 | 0.00027000 |
| 76.000 | 0.00027360 |
| 77.000 | 0.00027720 |
| 78.000 | 0.00028080 |
| 79.000 | 0.00028440 |
Watt Hours to Gigajoules Conversion
Converting Watt Hours (Wh) to Gigajoules (GJ) is a common energy and power conversion. 1 Wh equals 0.000004 GJ. For example, 100 Wh is equal to 0.00036 GJ.
Quick Mental Math: Watt Hours to Gigajoules
10000 watt hours is 0.036 gigajoules, so use that as the mental anchor.
Why is converting Watt Hours to Gigajoules tricky?
watt hours to gigajoules uses an awkward ratio, so people often round too early or move the decimal the wrong way.
Quick Reference Values
1 Wh = 0.000004 GJ. 5 Wh = 0.000018 GJ. 10 Wh = 0.000036 GJ. 25 Wh = 0.00009 GJ. 50 Wh = 0.00018 GJ. 100 Wh = 0.00036 GJ.
What is Watt Hours?
Watt Hours (Wh) is a unit of energy and power. A watt-hour (Wh) measures energy equivalent to one watt of power expended for one hour. It equals 3600 joules in SI derived units, where 1 Wh = 1 W × 3600 s. Watt-hours quantify electrical energy consumption and storage in batteries and utility meters [nist-si-guide]. The watt-hour emerged with the widespread use of electric power in the late 19th century. It was standardized as an energy unit by electrical engineers and later formalized within the International System of Units framework [bipm-si-brochure]. Utility companies worldwide bill electricity in kilowatt-hours, a multiple of watt-hours. The unit is critical for residential, commercial, and industrial energy monitoring and renewable energy systems across all continents [nist-si-guide].
What is Gigajoules?
Gigajoules (GJ) is a unit of energy and power. The gigajoule is a unit of energy equal to one billion joules (10⁹ J). One joule is the energy transferred when applying one newton of force over one meter, so a gigajoule represents a large energy quantity used in industrial and scientific applications [bipm-si-brochure]. The joule was defined in the 19th century and named after James Prescott Joule. The prefix 'giga-' was adopted internationally as part of SI prefixes in 1960 by the CGPM to denote a factor of 10⁹, formalizing the gigajoule as an SI derived unit [cgpm-resolutions]. Gigajoules are widely used in energy industries such as natural gas and electricity production, especially in Canada and Australia. They appear in energy statistics and engineering calculations per standards from BIPM and NIST [bipm-si-brochure][nist-sp-811].
Common Misspellings
People often search for this conversion using these alternate spellings: watt hours, watt-hour, watt hour, watthours, giga joules, giga-joules, giga joule, gigajoule. All of these refer to the Watt Hours to Gigajoules conversion.