Free tools

Small, useful tools from InaZubi. They run in your browser, they cost nothing, and nothing you enter leaves your device.

Free tool

Electrical Calculator

Cable size and voltage drop, load and breaker size, power and current for single-phase and three-phase, Ohm's law, power factor and the electricity bill.

Free tool

Weight Calculator

Weight of rebar, plate, checker plate, GI sheet, GI pipe, bars, angles, channels, beams and concrete, with a drawing for every measurement.

Private by design

Your entries, sizes and files are read on your own device. They are not uploaded to InaZubi or anyone else. See the privacy page for the details.

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