Milliwatts to Kilowatts Converter
Enter a value to instantly convert between power units.
1 Milliwatt = 0 Kilowatt
Key Formulas
Kilowatt → Horsepower (mech)
hp = kW × 1.34102Horsepower (mech) → Kilowatt
kW = hp × 0.7457Watt → Kilowatt
kW = W × 0.001Kilowatt → Watt
W = kW × 1000Formula
kW = mW ÷ 1,000,000When building a power budget for a complete system — from individual milliwatt-scale sensors to the kilowatt-scale supply — you need to convert milliwatts to kilowatts to check if everything fits within the available supply. A rack of 100 IoT modules each drawing 200 mW = 20,000 mW = 0.02 kW total — negligible for most power supplies. But 500 such modules start to add up: 100,000 mW = 0.1 kW.
Source: NIST SP 811, Table B.8
Last reviewed: · see our methodology
Frequently Asked Questions
Real-World Examples
1,000,000 mW = 1 kW — the equivalence that bridges component-level electronics and building-level electrical supply.
1000000 mW = 1 kW
50,000 mW (50 W) of small sensor nodes in a warehouse = 0.05 kW total — negligible compared to lighting and HVAC loads.
50000 mW = 0.05 kW
A wireless base station drawing 500,000 mW = 0.5 kW continuous power — significant for off-grid deployments with solar panels.
500000 mW = 0.5 kW
200,000 mW (200 W) of LED street lighting across a block = 0.2 kW total consumption for the control circuit.
200000 mW = 0.2 kW