Watt-Hours to Joules Converter

Convert watt-hours to joules instantly.

Joules

How to Convert Watt-Hours to Joules

Converting watt-hours to joules expresses energy in SI units. One watt-hour equals 3600 joules.

To convert watt-hours to joules, multiply the Wh value by 3600. For example, 100 Wh x 3600 = 360,000 J. This conversion is useful for battery capacity, small appliance energy consumption, and portable devices.

Watt-hours are common for batteries, while joules are the scientific standard for energy.

Quick Tips

  • 1 mile = 1.609 km (miles are bigger)
  • 1 kg = 2.205 lbs (roughly double + 10%)
  • Temperature: (°F - 32) × 5/9 = °C

Frequently Asked Questions

1 watt-hour equals 3600 joules.

Multiply the Wh value by 3600.

1 kWh = 1000 Wh = 3,600,000 joules.

For battery capacity in phones, laptops, and portable power banks.