Calculators
Free calculators. No sign-up.
Square footage, ANSI Z765 living area, flooring, paint, drywall, drawing scale and price per square foot. Or skip the typing and measure the plan itself.
Square footage, GLA and price
- Square Footage Calculator for Rooms and HousesFree square footage calculator. Add rooms, L-shapes and triangles in feet and inches and get square feet, square meters and square yards.Open
- ANSI Z765 Gross Living Area (GLA) CalculatorFree GLA calculator that applies ANSI Z765-2021: above-grade finished area by level, below-grade, garage and unfinished areas kept separate.Open
- Drawing Scale Converter: Inches on Paper to FeetFree scale converter for architectural, engineering and metric drawings: 1/4" = 1', 1/8" = 1', 1:100 and more, both directions.Open
- Price per Square Foot CalculatorFree price per square foot calculator for homes, plus what a square footage error does to the price per foot.Open
- Square Footage Discrepancy CalculatorCompare listed or county square footage with a measured figure: the difference, the percentage, and what it's worth at the price per foot.Open
Materials and restoration
- Flooring Calculator With Waste and BoxesFree flooring calculator: square feet with waste for straight, diagonal or herringbone layouts, and how many boxes to buy.Open
- LVP Calculator: How Many Boxes of Vinyl PlankFree luxury vinyl plank calculator: square footage with waste and boxes to buy, using your box size.Open
- Laminate Flooring Calculator: Boxes and WasteFree laminate flooring calculator: square feet with waste, boxes to buy, and underlayment.Open
- Tile Calculator: How Many Tiles and BoxesFree tile calculator: tiles and boxes for a floor or wall from the area, tile size and layout, with waste.Open
- Carpet Calculator: Square Yards and Roll LengthFree carpet calculator: square feet, square yards and roll length for 12 ft and 15 ft rolls, with seams and waste.Open
- Paint Calculator by Room: Gallons for Walls and CeilingsFree paint calculator: wall area from room size and ceiling height, minus doors and windows, then gallons by coats and coverage.Open
- Wall Square Footage Calculator (Minus Doors and Windows)Free wall area calculator: perimeter times height, minus doors and windows, for one room or a whole floor.Open
- Drywall Calculator: How Many Sheets Do I Need?Free drywall calculator: sheets for walls and ceilings in 4x8, 4x10 or 4x12, with waste and openings taken out.Open
- Flood Cut Drywall Calculator for Water DamageFree flood cut calculator: drywall area and sheets to remove and replace for a 2 ft or 4 ft cut, by room perimeter.Open
Measure your own plan.
Open a PDF, image or photo of the plan. FloorFigures finds the scale and the rooms and does the math. $10 once, for life, and nothing is uploaded.