Milliwatts to Watts (mW → W)
Formula
1 mW = 0.001 WConversion Table
| mW | W |
|---|---|
| 0 | 0 |
| 1.0000 | 0.0010000 |
| 2.0000 | 0.0020000 |
| 3.0000 | 0.0030000 |
| 4.0000 | 0.0040000 |
| 5.0000 | 0.0050000 |
| 6.0000 | 0.0060000 |
| 7.0000 | 0.0070000 |
| 8.0000 | 0.0080000 |
| 9.0000 | 0.0090000 |
| 10.000 | 0.010000 |
| 11.000 | 0.011000 |
| 12.000 | 0.012000 |
| 13.000 | 0.013000 |
| 14.000 | 0.014000 |
| 15.000 | 0.015000 |
| 16.000 | 0.016000 |
| 17.000 | 0.017000 |
| 18.000 | 0.018000 |
| 19.000 | 0.019000 |
| mW | W |
|---|---|
| 20.000 | 0.020000 |
| 21.000 | 0.021000 |
| 22.000 | 0.022000 |
| 23.000 | 0.023000 |
| 24.000 | 0.024000 |
| 25.000 | 0.025000 |
| 26.000 | 0.026000 |
| 27.000 | 0.027000 |
| 28.000 | 0.028000 |
| 29.000 | 0.029000 |
| 30.000 | 0.030000 |
| 31.000 | 0.031000 |
| 32.000 | 0.032000 |
| 33.000 | 0.033000 |
| 34.000 | 0.034000 |
| 35.000 | 0.035000 |
| 36.000 | 0.036000 |
| 37.000 | 0.037000 |
| 38.000 | 0.038000 |
| 39.000 | 0.039000 |
| mW | W |
|---|---|
| 40.000 | 0.040000 |
| 41.000 | 0.041000 |
| 42.000 | 0.042000 |
| 43.000 | 0.043000 |
| 44.000 | 0.044000 |
| 45.000 | 0.045000 |
| 46.000 | 0.046000 |
| 47.000 | 0.047000 |
| 48.000 | 0.048000 |
| 49.000 | 0.049000 |
| 50.000 | 0.050000 |
| 51.000 | 0.051000 |
| 52.000 | 0.052000 |
| 53.000 | 0.053000 |
| 54.000 | 0.054000 |
| 55.000 | 0.055000 |
| 56.000 | 0.056000 |
| 57.000 | 0.057000 |
| 58.000 | 0.058000 |
| 59.000 | 0.059000 |
| mW | W |
|---|---|
| 60.000 | 0.060000 |
| 61.000 | 0.061000 |
| 62.000 | 0.062000 |
| 63.000 | 0.063000 |
| 64.000 | 0.064000 |
| 65.000 | 0.065000 |
| 66.000 | 0.066000 |
| 67.000 | 0.067000 |
| 68.000 | 0.068000 |
| 69.000 | 0.069000 |
| 70.000 | 0.070000 |
| 71.000 | 0.071000 |
| 72.000 | 0.072000 |
| 73.000 | 0.073000 |
| 74.000 | 0.074000 |
| 75.000 | 0.075000 |
| 76.000 | 0.076000 |
| 77.000 | 0.077000 |
| 78.000 | 0.078000 |
| 79.000 | 0.079000 |
Milliwatts to Watts Conversion
Converting Milliwatts (mW) to Watts (W) is a common energy and power conversion. 1 mW equals 0.001 W. For example, 100 mW is equal to 0.1 W.
Quick Mental Math: Milliwatts to Watts
For energy conversions, identify the unit scale difference in the prefix or definition.
Why is converting Milliwatts to Watts tricky?
Energy unit conversions involve non-linear factors across different measurement systems.
Quick Reference Values
1 mW = 0.001 W. 5 mW = 0.005 W. 10 mW = 0.01 W. 25 mW = 0.025 W. 50 mW = 0.05 W. 100 mW = 0.1 W.
What is Milliwatts?
Milliwatts (mW) is a unit of energy and power. The milliwatt is a unit of power equal to one-thousandth of a watt, or 0.001 watts. It measures the rate of energy transfer or conversion and is derived directly from the SI base unit watt, which equals one joule per second. Milliwatts are frequently used in electronics and telecommunications to measure low power outputs [bipm-si-brochure]. The watt was named after James Watt and standardized in the late 19th century during the development of the SI system. The milliwatt emerged as a convenient subdivision for low-power electronic devices and instrumentation [bipm-si-brochure]. Milliwatts are standard in electronics, laser devices, and radio communications worldwide. Regulatory agencies and manufacturers specify power levels of small devices, such as laser pointers and Bluetooth transmitters, using milliwatts [nist-si-guide].
What is Watts?
Watts (W) is a unit of energy and power. The watt (W) is the SI unit of power, defined as one joule per second (1 W = 1 J/s). It measures the rate of energy transfer or conversion. The watt is named after James Watt and standardized by the BIPM according to the International System of Units [bipm-si-brochure]. Named after engineer James Watt in the late 19th century, the watt was adopted officially by the CIPM and BIPM to quantify mechanical and electrical power consistently. It became part of the SI base units in 1960 [bipm-si-brochure]. Watts measure power output and consumption in electrical, mechanical, and thermal systems globally. It is used across industries, including electronics, automotive, and power generation, following ISO and NIST standards [nist-sp-811].
Common Misspellings
People often search for this conversion using these alternate spellings: milliwatt, milwatt, milliwat, milwatts, watt, wat, wats, wattss. All of these refer to the Milliwatts to Watts conversion.