Free calculators, metric & imperial 🫎
Fast, no-signup tools for home projects, Canadian money and tax, and trucking. Every tool shows its formula and sources.
Home & Yard
Concrete CalculatorFree concrete calculator for slabs, pads and patios. Get cubic yards, cubic metr…Square Footage CalculatorCalculate square feet and square metres for rooms, floors and yards. Mix feet, i…Gravel CalculatorWork out how much gravel you need for a driveway, path or base in cubic yards, c…Mulch CalculatorFind how much mulch you need in cubic yards, cubic metres and 2 or 3 cubic-foot …Paint CalculatorEstimate gallons or litres of paint for walls, minus doors and windows, for any …Cubic Yard CalculatorConvert length, width and depth in feet, inches or metres into cubic yards, cubi…Board Foot CalculatorCalculate board feet (and cubic metres) for lumber, plus total cost at a price p…Stair CalculatorCalculate number of steps, riser height, total run and stringer length from tota…Fence CalculatorEstimate fence posts, rails and pickets for any fence length and post spacing.…Roofing CalculatorConvert roof footprint and pitch into roof area, roofing squares and shingle bun…BTU CalculatorEstimate air-conditioner size in BTU/h, kW and tons from room size, sun, occupan…
Canada Money & Tax
Canada Mortgage CalculatorCanadian mortgage payments with semi-annual compounding, CMHC insurance, monthly…Canada Income Tax Calculator 20262026 federal and provincial income tax by province and territory, with marginal …GST / HST / PST CalculatorAdd or remove GST, HST, PST or QST for any Canadian province. Nova Scotia HST 14…CMHC Insurance CalculatorCalculate your CMHC mortgage default insurance premium and minimum down payment.…Land Transfer Tax Calculator (BC & Ontario)Calculate BC property transfer tax and Ontario land transfer tax, with first-tim…
Vehicles & Trucking
Fuel Cost CalculatorTrip fuel cost in km and L/100 km or miles and MPG, per litre or per gallon.…Gas Mileage CalculatorCalculate fuel economy in MPG (US and Imperial), L/100 km and km/L from distance…Freight Class CalculatorCalculate LTL freight density and class using the NMFC 13-subprovision density s…Trucking Cost per Mile CalculatorOwner-operator cost per mile and per km from fixed and variable monthly costs.…