ホーム › Energy › joule → kilowatt-hour

joule to kilowatt-hour

Live joule (J) to kilowatt-hour (kWh) converter. Plus a 10-value reference table and FAQs.

From J

joule

To kWh

kilowatt-hour

1 J = 2.78e-7kWh

換算表

jouleからkilowatt-hourまでの 10 個のサンプル値。任意の値には上の換算器をお使いください。

joule (J)	→	kilowatt-hour (kWh)
0.001 J	→	2.7778e-10 kWh
0.01 J	→	2.7778e-9 kWh
0.1 J	→	2.7778e-8 kWh
0.5 J	→	1.3889e-7 kWh
1 J	→	2.7778e-7 kWh
2 J	→	5.5556e-7 kWh
5 J	→	1.3889e-6 kWh
10 J	→	2.7778e-6 kWh
100 J	→	2.7778e-5 kWh
1,000 J	→	0.000278 kWh

jouleについて

SI unit of energy. 1 N·m.

kilowatt-hourについて

1000 Wh. Electricity bills.

How joule to kilowatt-hour conversion works

Both units belong to Energy. Unitbox first expresses the input in the category reference unit (J), then expresses that same quantity in kilowatt-hour.

The right unit depends on the convention used by your industry, country, instrument, or source document.

Reference value1 J = 2.777778e-7 kWh

CalculationBrowser-side, using Unitbox's shared unit data

Review noteFor safety-critical work, verify against the governing standard or instrument manual.

Unit definitions and conversion factors are maintained in the Unitbox methodology. Last reviewed with the current conversion dataset.

よくある質問

Frequently Asked Questions

How do I convert joule to kilowatt-hour?

Multiply the joule value by 2.7778e-7 to get it in kilowatt-hour. For example, 10 J = 2.78e-6 kWh.

What is 1 J in kWh?

1 J = 2.7778e-7 kWh.

What is 100 J in kWh?

100 J = 2.78e-5 kWh.

What is the formula?

Linear: multiply by 2.7778e-7 (the unit factor ratio).

さらに探索

Convert the other direction

Use the reverse converter: kilowatt-hour → joule

Browse all units in this category

Energy has 10 units.

All units converter

Free-form calculator that handles any pair in any category.