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The VoltConvert blog

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

Appliance Amp Draw Chart: Every Common Device Listed
Amp draw for 60+ common appliances at 120V and 240V — kitchen, laundry, climate and home office devices with the 80% breaker rule explained.
8 min read
Watts to Amps at 120V vs 240V: Why Voltage Changes Everything
Same appliance, half the amps at double the voltage. A formula, comparison table, and the 80% breaker rule exp…
7 min read
Power Factor Explained for Beginners
What the ratio of kW to kVA really means, why low power factor costs money, and how capacitor correction fixes …
8 min read
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 …
7 min read
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…
8 min read
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…
7 min read
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 …
7 min read
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…
9 min read