Milliwatts to Gigawatts Converter
Enter a value to instantly convert between power units.
1 Milliwatt = 1.0000e-12 Gigawatt
Key Formulas
Kilowatt → Horsepower (mech)
hp = kW × 1.34102Horsepower (mech) → Kilowatt
kW = hp × 0.7457Watt → Kilowatt
kW = W × 0.001Kilowatt → Watt
W = kW × 1000Formula
GW = mW ÷ 1,000,000,000,000The milliwatt-to-gigawatt span covers 12 orders of magnitude — from the milliwatts of a Bluetooth chip to the gigawatts of a national power grid. This conversion is useful for illustrating energy scale in education and for aggregate analysis: one trillion 1 mW sensors equal 1 GW, the output of a large nuclear power station. As IoT deployments grow to planetary scale, such aggregate calculations become increasingly relevant for energy policy.
Source: NIST SP 811, Table B.8
Last reviewed: · see our methodology
Frequently Asked Questions
Real-World Examples
1 trillion mW = 1 GW — equivalent to one large nuclear power station, illustrating the scale of global IoT deployment.
1000000000000 mW = 1 GW
500 billion mW of consumer device standby power globally = 0.5 GW — a significant portion of global 'vampire load'.
500000000000 mW = 0.5 GW
100 billion mW of global Bluetooth beacon power = 100 MW = 0.1 GW — a real grid-level load from ubiquitous low-power radios.
100000000000 mW = 0.1 GW
2 trillion mW of global LED lighting replacing incandescents = 2 GW of saved capacity — the energy policy benefit of LED adoption at scale.
2000000000000 mW = 2 GW