μW/m2\mu\text{W/m}^{2}

microwatt per square meter

Intensityexact by definition

The microwatt per square metre is one millionth of a watt per square metre. It is used for weak radiofrequency exposure levels, faint optical signals and low-level acoustic intensity, where the threshold of human hearing at 1 kHz corresponds to about one picowatt per square metre. The factor of 1e-6 is exact, being an SI prefix.

1 μW/m2\mu\text{W/m}^{2} 0.000001 W/m2\text{W/m}^{2}

One microwatt per square meter in every intensity unit

1microwatt per square meter (μW/m²)this unit
0.001milliwatt per square meter (mW/m²)
0.0001microwatt per square centimeter (μW/cm²)
0.000001watt per square meter (W/m²)
3.16998e-07BTU per hour square foot (BTU/(h·ft²))
1.00000e-07milliwatt per square centimeter (mW/cm²)
1.43403e-09langley per minute (Ly/min)
1.00000e-09kilowatt per square meter (kW/m²)
1.00000e-10watt per square centimeter (W/cm²)
1.00000e-16megawatt per square centimeter (MW/cm²)