Trades, farm and workshop calculators
American trade calculators assume gallons and ounces. Canadian fuel comes in litres, Canadian land is measured in both acres and hectares, and a workshop here runs on a mix of the two systems. Every tool in this section defaults to metric and carries an imperial toggle rather than the other way round.
50:1 fuel mix
Two-stroke fuel mixing in litres and millilitres, with a US-gallon toggle.
Epoxy resin calculator
Work out epoxy volume from area and depth, split into resin and hardener.
Acres per hour
Effective field capacity from working width, ground speed and field efficiency.
Cubic yards
Concrete, soil and gravel volume in cubic yards and cubic metres — the two units Canadian suppliers actually use.
Roof truss
Rise, chord lengths and cut angles from span and pitch, in millimetres or inches.
Thread & tap drill
Tap drill size at any thread engagement, plus pitch, minor and clearance diameters, metric and inch.
Conduit fill
Fill percentage against the Canadian Electrical Code limits — including the 31% rule that catches everyone.
Roof snow load
The National Building Code snow load equation, with every factor shown and explained.
Looking for something else?
There are 88 calculators on the site across 11 subjects — tax, benefits, grades, trades, sport and everyday maths.
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