Milliwatt to Watt
Convert Milliwatt to Watt instantly. Free online engineering unit converter with exact formula, conversion table and FAQ.
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Convert common stress, force, torque, power, and energy units used in engineering.
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Formula
W = mW × 0.001
mW = W × 1000
Conversion table
| 1 mW | 0.001 W |
| 5 mW | 0.005 W |
| 10 mW | 0.01 W |
| 20 mW | 0.02 W |
| 50 mW | 0.05 W |
| 100 mW | 0.1 W |
| 500 mW | 0.5 W |
| 1000 mW | 1 W |
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Frequently asked questions
What is the source unit in this conversion?
The source unit is the Milliwatt (mW). Milliwatt is 0.001 watt units.
What is the destination unit in this conversion?
The destination unit is the Watt (W). The watt is one joule per second.
How do I convert Milliwatt to Watt?
Multiply the Milliwatt value by 0.001. For example, 10 mW × 0.001 = 0.01 W.
Is the Milliwatt to Watt conversion exact?
Yes. Both units belong to the same engineering measurement family (power), so the ratio between them is a fixed, defined value rather than a measured approximation.
Where is this conversion commonly used?
It's used whenever a value expressed in Milliwatt needs to be compared with, or reported in, Watt, such as in engineering, scientific, or industrial calculations.
Can I convert Watt back to Milliwatt?
Yes. Multiply the Watt value by 1000 to get Milliwatt.
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About this conversion
This page converts Milliwatt (mW) to Watt (W) within the engineering converter.
Milliwatt is 0.001 watt units. The watt is one joule per second.
The formula is W = mW × 0.001, based on each unit's fixed relationship to the power base unit.
The conversion is exact, since it relies on a fixed numerical ratio between the two units rather than a measured or approximate value.
Use the calculator above for instant results, or the table below for common Milliwatt values already converted to Watt.