Free on-site quick tools.
Eight fast sums for on the job: unit and fraction conversions, drainage fall, roof pitch, a 3-4-5 square check, area & volume, fuel cost, and working days between dates.
Free tool
Unit converter
mm/inch, metres/feet, kg/lb, litres/gallons.
Free tool
Fraction to decimal
Imperial pipe and fitting sizes, as a decimal and in mm.
Free tool
Drainage fall calculator
Length and gradient ratio, straight to a drop in mm.
Free tool
Roof pitch from rise & run
Two measurements in, a pitch angle out.
Free tool
3-4-5 square checker
Check a corner is square with a tape measure.
Free tool
Area & volume helper
Irregular rooms, broken into rectangles.
Free tool
Fuel & job travel cost
Miles, mpg and the current pump price.
Free tool
Working days between dates
For lead times and payment terms.
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