Easily change kilojoules to watt-hours and vice versa at Examples.com. Just input your numbers for a fast and precise conversion.

## KJ to Wh

Formula: Energy in Watt Hours (Wh) = Energy in Kilojoules (kJ) 3.6

#### Watt Hour :

KilojoulesWatt Hours
10.2777777777777778

## Wh to KJ

Formula: Energy in Kilojoules (kJ) = Energy in Watt Hours (Wh) x 3.6

#### Kilojoule :

Watt HoursKilojoules
13.6

## Conversion Factors:

• Kilojoules to Watt-hours: 1 kilojoule = 0.27778 watt-hours
• Watt-hours to Kilojoules: 1 watt-hour = 3.6 kilojoules

## How to Convert Kilojoules to Watt-hours:

To convert kilojoules to watt-hours, divide the number of kilojoules by 3.6.

Watt-hours=Kilojoules/3.6

Example: Convert 500 kilojoules to watt-hours.

Watt-hours=5003.6=138.89 watt-hour

## How to Convert Watt-hours to Kilojoules:

To convert watt-hours to kilojoules, multiply the number of watt-hours by 3.6.

Kilojoules=Watt-hours×3.6

Example: Convert 200 watt-hours to kilojoules.

Kilojoules=200×3.6=720 kilojoules

## 1. Solved Examples on Converting Kilojoules to Watt-hours

#### Example 1: Convert 10 kilojoules to watt-hours.

Watt-hours=10 kJ/3.6

Watt-hours=2.78 Wh

#### Example 2: Convert 20 kilojoules to watt-hours.

Watt-hours=20 kJ/3.6

Watt-hours=5.56 Wh

#### Example 3: Convert 30 kilojoules to watt-hours.

Watt-hours=30 kJ/3.6

Watt-hours=8.33 Wh

#### Example 4: Convert 40 kilojoules to watt-hours.

Watt-hours=40 kJ/3.6

Watt-hours=11.11 Wh

#### Example 5: Convert 50 kilojoules to watt-hours.

Watt-hours=50 kJ/3.6

Watt-hours=13.89 Wh

## 2. Solved Examples on Converting Watt-hours to Kilojoules

#### Example 1: Convert 10 watt-hours to kilojoules.

Kilojoules=10 Wh×3.6

Kilojoules=36 kJ

#### Example 2: Convert 20 watt-hours to kilojoules.

Kilojoules=20 Wh×3.6

Kilojoules=72 kJ

#### Example 3: Convert 30 watt-hours to kilojoules.

Kilojoules=30 Wh×3.6

Kilojoules=108 kJ

#### Example 4: Convert 40 watt-hours to kilojoules.

Kilojoules=40 Wh×3.6

Kilojoules=144 kJ

#### Example 5: Convert 50 watt-hours to kilojoules.

Kilojoules=50 Wh×3.6

Kilojoules=180 kJ

## Why is it useful to convert kilojoules to watt-hours?

Converting kilojoules to watt-hours is useful in various contexts, such as comparing energy consumption of electrical devices, calculating energy expenditure, and understanding food energy content in terms of electrical energy.

## Are kilojoules and watt-hours used internationally?

Yes, kilojoules and watt-hours are standard units of energy used globally, recognized by the International System of Units (SI).

## Can I use an online calculator to convert kilojoules to watt-hours?

Yes, there are many online calculators available that can easily convert kilojoules to watt-hours and vice versa. Simply enter the value in kilojoules, and the calculator will provide the equivalent watt-hours.

## Are there larger units than kilojoules and watt-hours?

Yes, larger units than kilojoules include megajoules (MJ) and gigajoules (GJ). Larger units than watt-hours include kilowatt-hours (kWh) and megawatt-hours (MWh).

## Is the conversion factor between kilojoules and watt-hours constant?

Yes, the conversion factor between kilojoules and watt-hours is constant. 1 kilojoule is always equal to 0.27778 watt-hours.