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The VoltConvert blog

Plain-English electrical guides — every one wired into the free calculators it explains.

Watts, Amps and Volts, Explained Once and For All

Volts push, amps flow, watts do the work. A plain-English guide to the three units behind every circuit, with …

kW vs kVA vs kWh: Three Letters Apart, Worlds of Confusion

kW is real power, kVA is apparent power, kWh is energy over time. What each one means, why generators are rate…

Horsepower and Electric Motors: From Nameplate to Breaker

What 1 HP = 746 W really means, why motors draw more than their rating, starting current, and how pros size ci…

mAh, Wh, Lumens and Lux: The Honest Units Behind Batteries and Bulbs

Why power banks under-deliver, what airline battery limits really mean, and how to buy LED lighting by lumens …

What Size Generator Do You Need? Size It Once, Size It Right

A step-by-step generator sizing method for storm and outage prep: total your essential watts, handle motor sta…