Free tools
Free door, hardware and finish estimating calculators
Quick answers for the sums that come up between takeoffs: hinge counts, hardware roll-ups, door sizes, room areas and finish quantities. Type your own numbers and the result updates as you go. No account needed.
Quick calculators
Single answers for the small sums that come up between takeoffs.
Doors & hardware
Finishes
- Room Finish Areas Floor, ceiling and wall areas plus baseboard length for a rectangular room.
- Paint Quantity Gallons of paint for walls, ceiling and doors from area, coats and coverage.
- Drywall Sheet Drywall sheets to order from wall and ceiling area, sheet size and waste.
- Flooring Quantity Boxes of flooring to buy from room size, waste and coverage per box.
- Tile Quantity Tiles and boxes needed for an area, allowing for grout joints and waste.
- Baseboard Trim Linear feet and sticks of baseboard for a room, less door openings.
Estimating basics
- Feet and Inches to Decimal Turn a size like 3'-0 1/2" into decimal inches, decimal feet and millimeters.
- Waste Factor Add a waste allowance to a net quantity and round up to whole packs.
- Markup and Margin Selling price from cost, with markup and margin shown side by side.
- Area Unit Converter Convert between square feet, square yards, square meters, acres, hectares and square inches.
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Skip the retyping
These calculators start from numbers you type. The workspace reads the door, hardware and finish schedules straight off your drawings into a priced grid, with every row tied to its page.