Free calculators for contractors
Quick math for pricing jobs and ordering materials. No sign-up, works on your phone.
Markup & Margin CalculatorEnter what a job costs you, then choose a markup or the profit margin you want.
Hourly Labor Rate CalculatorYour hourly rate has to cover more than your pay: truck, insurance, tools, phone and the hours you spend driving and quoting.
Roofing Squares CalculatorMeasure the house footprint, choose the roof pitch, and get the roof area in squares plus how many bundles of shingles to order.
Concrete CalculatorEnter the slab size and thickness to see how much concrete to order, in cubic yards for a truck or in bags for small pours.
Paint CalculatorEnter the room size and openings to get the paintable wall area and how many gallons to buy.
Drywall CalculatorEnter the room size to see how many drywall sheets to buy, plus screws and joint tape.
Flooring CalculatorEnter the room size and box coverage to see how much flooring to order and what the material will cost.
Tile CalculatorEnter the area and tile size to see how many tiles and boxes you need, including waste for cuts.
Fence CalculatorEnter the fence length and layout to get a material list: posts, rails, pickets and concrete for setting posts.
Mulch CalculatorEnter the bed area and depth to see how much mulch to order in bulk yards or bags.
Gravel CalculatorEnter the area and depth to see how much gravel or crushed stone to order, in cubic yards and tons.
AC Size CalculatorA quick rule-of-thumb estimate of air conditioner size from square footage, climate and ceiling height.
Sod CalculatorEnter the lawn size to see how many sod pieces and pallets to order, with a little extra for edges and cuts.
Deck Board CalculatorEnter the deck size and board details to see how many deck boards and screws to order.
Insulation CalculatorEnter the area to insulate and the coverage printed on the bag to see how many bags or rolls to buy.
Siding CalculatorEnter the house measurements to get the wall area and how many squares of siding to order.
Asphalt CalculatorEnter the paving area and compacted thickness to see how many tons of asphalt to order.
Board Foot CalculatorEnter the lumber size and quantity to get total board feet and what the order will cost.