watt-hour Wh
1 W sustained for 1 hour (3600 J).
快速換算 — watt-hour 與常用單位
實時換算器，三個方向。輸入任意值，三個結果同步更新。
watt-hour
joule
1 Wh = 3,600J
watt-hour
kilojoule
1 Wh = 3.6kJ
watt-hour
calorie
1 Wh = 860.4207cal
換算表 — watt-hour 與全部Energy單位
1 Wh（正向）與 1 反向單位 → {symbol} 的所有數值。
| 目標 / 來源 | 1 Wh = | 1 目標單位 = |
|---|---|---|
| joule (J) | 3,600 J | 0.00027778 Wh |
| kilojoule (kJ) | 3.6 kJ | 0.27777778 Wh |
| calorie (cal) | 860.4206501 cal | 0.00116222 Wh |
| kilocalorie (kcal) | 0.86042065 kcal | 1.16222222 Wh |
| kilowatt-hour (kWh) | 0.001 kWh | 1,000 Wh |
| British thermal unit (BTU) | 3.41214163 BTU | 0.29307107 Wh |
| electronvolt (eV) | 2.246943e+22 eV | 4.450491e-23 Wh |
| foot-pound (ft·lb) | 2,655.2237374 ft·lb | 0.00037662 Wh |
| therm (thm) | 3.412142e-5 thm | 29,307.10701722 Wh |
Frequently Asked Questions
What does Wh stand for?
watt-hour (Wh) is a unit of Energy.
How many Wh are in 1 J?
1 J = 3,600 Wh, so 1 Wh = 0.000278 J.
Is this the SI base unit?
No. watt-hour is one of several units in the Energy category. The SI base is J.
watt-hour的常用換算
#1
watt-hour (Wh) → joule (J)
Convert watt-hour (Wh) to joule.
#2watt-hour (Wh) → kilojoule (kJ)
Convert watt-hour (Wh) to kilojoule.
#3watt-hour (Wh) → calorie (cal)
Convert watt-hour (Wh) to calorie.
#4watt-hour (Wh) → kilocalorie (kcal)
Convert watt-hour (Wh) to kilocalorie.
#5watt-hour (Wh) → kilowatt hour (kWh)
Convert watt-hour (Wh) to kilowatt hour.
#6watt-hour (Wh) → btu (BTU)
Convert watt-hour (Wh) to btu.
#7watt-hour (Wh) → electronvolt (eV)
Convert watt-hour (Wh) to electronvolt.
#8watt-hour (Wh) → foot pound (ft·lb)
Convert watt-hour (Wh) to foot pound.