Trade Tools - Free tool for Construction

Pipe, concrete, electrical & tile calculators — free

3 votes·1 comment·May 25, 2026

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8 free calculators for plumbers, electricians, tilers and DIYers. Pipe sizing, concrete volume, electrical load, wire gauge, roof pitch, tile quantity, paint coverage and stud spacing. No login, no ads, metric and imperial, works offline. Also available in Spanish, French and German.