About Watts (W) to Milliwatts (mW) Conversion

What are Watts and Milliwatts?

Watts (W) and milliwatts (mW) are both units used to measure electrical power:

• Watt (W): The SI unit of power, defined as one joule per second. It measures the rate of energy transfer.
• Milliwatt (mW): A unit of power equal to one-thousandth of a watt. It's commonly used for measuring smaller amounts of electrical power.

Formula for Watts to Milliwatts Conversion

The formula to convert watts to milliwatts is:

\[mW = W \times 1000\]

Where:

• \(mW\) is the power in milliwatts
• \(W\) is the power in watts
• 1000 is the conversion factor from watts to milliwatts

Calculation Steps

1. Identify the power in watts.
2. Multiply the watt value by 1000.
3. The result is the power in milliwatts.

Example

Let's convert 2.5 watts to milliwatts:

1. Given: \(W = 2.5\)
2. Apply the formula: \(mW = 2.5 \times 1000\)
3. Calculate: \(mW = 2500\)

Visual representation:

Therefore, 2.5 watts is equivalent to 2500 milliwatts.