Convert Watt-hours to Joules (Wh to J)

Use this tool to convert between energy units like Watt-hour, Milliwatt-hour, Kilowatt-hour etc.

Convert Watt-hours to Joules quickly and easily. Our energy conversion tool provides precise calculations for Wh to J conversions.

How to Convert Watt-hours to Joules

Converting Watt-hours to Joules is straightforward. The conversion formula is:

Joules = Watt-hours × 3600

This means that 1 Watt-hour equals 3600 Joules. Conversely, 1 Joule equals 0.00027777777777778 Watt-hours.

Example Calculation

To convert 10 Watt-hours to Joules:

10 Wh × 3600 = 36000 J

Common Watt-hours to Joules Conversions

  • 1 Wh = 3600 J
  • 10 Wh = 36000 J
  • 100 Wh = 360000 J
  • 500 Wh = 1800000 J
  • 1000 Wh = 3600000 J

Quick Reference

Conversion Formula: Joules = Watt-hours × 3600

Conversion Ratio: 1 Wh = 3600 J

Inverse Conversion: 1 J = 0.00027777777777778 Wh

Common Applications

Converting between Watt-hours and Joules is frequently needed in:

  • Nutritional energy calculations
  • Physics and engineering
  • Renewable energy systems
  • Industrial power measurements

Whether you're working on a professional project or need conversions for everyday tasks, this energy converter provides accurate results instantly.

Frequently Asked Questions

How do you convert Watt-hours to Joules?

To convert Watt-hours to Joules, multiply the value by 3600. The formula is: Joules = Watt-hours × 3600. For example, 10 Wh = 36000 J.

How many Joules are in 1 Watt-hour?

There are 3600 Joules in 1 Watt-hour. This is the standard conversion factor for energy measurements.

What is the formula for converting Wh to J?

The conversion formula is: J = Wh × 3600. Simply multiply your Watt-hours value by 3600 to get the equivalent in Joules.

How do you convert Joules to Watt-hours?

To convert Joules back to Watt-hours, multiply by 0.00027777777777778. The inverse formula is: Watt-hours = Joules × 0.00027777777777778.

Is Watt-hours to Joules conversion accurate?

Yes, this converter uses the standard international conversion factor of 3600, ensuring accurate and reliable results for all energy conversions.

When should I use Watt-hours vs Joules?

Watt-hours and Joules are different units of energy. Use Watt-hours for various applications and Joules for various applications.

Watt-hours to Joules Conversion Reference

Quick reference table showing common Watt-hours to Joules conversions. Use this chart for fast lookups of frequently used values.

WhJ
0.1 Wh360 J
0.2 Wh720 J
0.3 Wh1080 J
0.4 Wh1440 J
0.5 Wh1800 J
0.6 Wh2160 J
0.7 Wh2520 J
0.8 Wh2880 J
0.9 Wh3240 J
WhJ
1 Wh3600 J
2 Wh7200 J
3 Wh10800 J
4 Wh14400 J
5 Wh18000 J
6 Wh21600 J
7 Wh25200 J
8 Wh28800 J
9 Wh32400 J
WhJ
10 Wh36000 J
20 Wh72000 J
30 Wh108000 J
40 Wh144000 J
50 Wh180000 J
60 Wh216000 J
70 Wh252000 J
80 Wh288000 J
90 Wh324000 J
WhJ
100 Wh360000 J
200 Wh720000 J
300 Wh1080000 J
400 Wh1440000 J
500 Wh1800000 J
600 Wh2160000 J
700 Wh2520000 J
800 Wh2880000 J
900 Wh3240000 J
WhJ
1000 Wh3600000 J
2000 Wh7200000 J
3000 Wh10800000 J
4000 Wh14400000 J
5000 Wh18000000 J
6000 Wh21600000 J
7000 Wh25200000 J
8000 Wh28800000 J
9000 Wh32400000 J
WhJ
10000 Wh36000000 J
20000 Wh72000000 J
30000 Wh108000000 J
40000 Wh144000000 J
50000 Wh180000000 J
60000 Wh216000000 J
70000 Wh252000000 J
80000 Wh288000000 J
90000 Wh324000000 J

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