Joule per hour to Terawatt Converter (and vice versa)

Created by: tinycalcs.com/en
Number of supported units: 2
Last update: 2026

This converter allows you to convert joules per hour [J/h] to terawatts [TW] or terawatts [TW] to joules per hour [J/h]. Calculations are performed in both directions. The calculation result and the entered value are displayed with up to 20 decimal places for maximum accuracy.

1 joule per hour [J/h] ≈ 2.778 * 10-16 terawatts [TW]1 terawatt [TW] = 3.6 * 1015 joules per hour [J/h]

Convert joules per hour to terawatts

There are two simple ways to convert joules per hour [J/h] to terawatts [TW]. In the first calculation method, the value in joules per hour [J/h] is divided by 3.6 * 1015. The second method multiplies the value in joules per hour [J/h] by the rounded conversion factor of 2.778 * 10-16.

  • Terawatts [TW] = joules per hour [J/h] ÷ (3.6 * 1015)
  • Terawatts [TW] ≈ joules per hour [J/h] * 2.778 * 10-16

The calculation method with a rounded conversion value is more suitable for rough conversions from joules per hour [J/h] to terawatts [TW], as the calculation result may contain rounding errors. Therefore, the variant with the exact conversion factor is more suitable.


Convert terawatts to joules per hour

Converting terawatts [TW] to joules per hour [J/h] is easy and can be done in two ways. The first method involves multiplication, whereby the value in terawatts [TW] is multiplied by 3.6 * 1015. The second variant is a division. Here, the value in terawatts [TW] is divided by the rounded conversion factor of 2.778 * 10-16.

  • Joules per hour [J/h] = terawatts [TW] * 3.6 * 1015
  • Joules per hour [J/h] ≈ terawatts [TW] ÷ (2.778 * 10-16)

The rounded conversion value can cause rounding errors, resulting in inaccurate calculation results. To ensure that the conversion from terawatts [TW] to joules per hour [J/h] produces the most accurate calculation result possible, the conversion should be performed using the exact conversion factor.

Converter

Decimal places

How it's calculated

Factor: 
3.6 * 1015
Joules per hour=Terawatts*3.6 * 1015
Terawatts=
Joules per hour3.6 * 1015

To all available units

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Decawatts

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Deciwatts

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