Terawatt Converter
Created by: tinycalcs.com/en
Number of supported units: 24
Last update: 2026
The Terawatt Converter supports 24 different power units. This makes it possible to convert freely between terawatts [TW], metric, Anglo-American, and other power units. All power values are converted in real time and displayed with up to 20 decimal places, ensuring sufficient accuracy.
Conversion of terawatts
In order to convert terawatts [TW] into another unit of measurement, a conversion value is required. This value can be determined using a conversion table. However, the table is relatively large, confusing, and difficult for inexperienced users to understand. The tool below provides a solution to this problem by allowing the rounded conversion values for terawatts [TW] to be queried directly from the conversion table.
Determine conversion factor
Conversion between terawatts and milliwatts
A quick and precise conversion between terawatts [TW] and milliwatts [mW] is straightforward and requires only multiplication or division by 1015. The conversion from terawatts [TW] to milliwatts [mW] is done by multiplying the value in terawatts [TW] by 1015. To reverse the conversion, divide the value in milliwatts [mW] by 1015 to obtain terawatts [TW].
- Milliwatts [mW] = terawatts [TW] * 1015
- Terawatts [TW] = milliwatts [mW] ÷ 1015
Conversion between terawatts and watts
Conversions between terawatts [TW] and watts [W] are straightforward and can be performed with simple math. The required conversion factor is 1012. To convert a value from terawatts [TW] to watts [W], multiply the number of terawatts [TW] by 1012. For values in watts [W], divide by 1012 to get the equivalent in terawatts [TW].
- Watts [W] = terawatts [TW] * 1012
- Terawatts [TW] = watts [W] ÷ 1012
Conversion between terawatts and kilowatts
The conversion between terawatts [TW] and kilowatts [kW] is quick to perform and requires only basic mathematical operations an the conversion factor 109. Multiply the number of terawatts [TW] by 109 to get the converted value in kilowatts [kW]. To convert a value in kilowatts [kW] back to terawatts [TW], simply divide the amount of kilowatts [kW] by 109.
- Kilowatts [kW] = terawatts [TW] * 109
- Terawatts [TW] = kilowatts [kW] ÷ 109
Conversion between terawatts and metric horsepower
You can easily convert between metric horsepower [PS] and terawatts [TW] using the formulas provided below. For accurate results, it is important to follow the correct order of mathematical operations.
- Terawatts [TW] = metric horsepower [PS] * 735.49875 ÷ 1012
- Metric horsepower [PS] = terawatts [TW] ÷ 735.49875 * 1012
Conversion between terawatts and mechanical horsepower
The fastest and easiest way to convert between mechanical horsepower [hp(I)] and terawatts [TW] is to use the converter above. Manual conversions are also possible and can be done using the formulas provided below.
- Terawatts [TW] = mechanical horsepower [hp(I)] * 27.2155422 * 27.3997801 ÷ 1012
- Mechanical horsepower [hp(I)] = terawatts [TW] ÷ 27.2155422 ÷ 27.3997801 * 1012
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