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Welcome to Fast.Engineer

Rapidly create detailed engineering calculations

  • Cable Sizing Calculations
  • Motor Power Calculations
  • Amperage Calculations


Free Engineering Calculations & Tools

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Latest Calcs

Search through our comprehensive database of engineering calculation, customise it to your requirements, and download the results in PDF file directly to your computer or phone.

June 10, 2015

AS 3008 Cable Sizing

Size low voltage electrical cables in a range on installation conditions

Cable Sizing
May 15, 2015

Switchboard Arc Flash Ratings

Determine the Switchboard Arc Fault hazard risk and confirme the PPE required.

Arc Flash
March 23, 2015

HV Cable Sizing

Size and verify high voltage cable sizing for various installation conditions

Cable Sizing

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