Convert 1 milliwatt to watt (joules/sec)

1 mW (milliwatt) is equal to 0.001 W (watt (joules/sec)). To convert from milliwatt to watt (joules/sec), multiply by 0.001 or divide by 1,000.

• 1 mW × 0.001 = 0.001 W
• 1 mW ÷ 1000 = 0.001 W