首頁 › Energy › kilojoule → kilowatt-hour

kilojoule to kilowatt-hour

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

From kJ

kilojoule

To kWh

kilowatt-hour

1 kJ = 0.0003kWh

換算表

10 個示例值，從kilojoule到kilowatt-hour。任意值請用上方換算器。

kilojoule (kJ)	→	kilowatt-hour (kWh)
0.001 kJ	→	2.7778e-7 kWh
0.01 kJ	→	2.7778e-6 kWh
0.1 kJ	→	2.7778e-5 kWh
0.5 kJ	→	0.000139 kWh
1 kJ	→	0.000278 kWh
2 kJ	→	0.000556 kWh
5 kJ	→	0.001389 kWh
10 kJ	→	0.002778 kWh
100 kJ	→	0.027778 kWh
1,000 kJ	→	0.277778 kWh

關於kilojoule

1000 J. Food labels in some countries.

關於kilowatt-hour

1000 Wh. Electricity bills.

How kilojoule 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 kJ = 0.00027778 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.

常見問題

Frequently Asked Questions

How do I convert kilojoule to kilowatt-hour?

Multiply the kilojoule value by 0.000278 to get it in kilowatt-hour. For example, 10 kJ = 0.0028 kWh.

What is 1 kJ in kWh?

1 kJ = 0.000278 kWh.

What is 100 kJ in kWh?

100 kJ = 0.0278 kWh.

What is the formula?

Linear: multiply by 0.000278 (the unit factor ratio).

繼續探索

Convert the other direction

Use the reverse converter: kilowatt-hour → kilojoule

Browse all units in this category

Energy has 10 units.

All units converter

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