Tool category
Workshop calculators
4 specialised workshop calculators with instant, formula-based results.
Labor Hours & Invoice Calculator
Build a workshop invoice from labor hours, hourly rate, parts and VAT.
Workshop Profitability Calculator
Compute margin and monthly break-even for a repair shop.
Torque Spec Converter
Convert fastener torque between Nm, lb-ft, lb-in and kgf-m.
Torque Wrench Extension Calculator
Compute the correct wrench setting when using a crowfoot or offset adapter.