Home improvement calculators
Use a calculator for the basic estimate, then open its guide to understand the formula, assumptions, examples and limitations.
Paint Calculator
Estimate litres of wall paint from room dimensions, openings, coats and product coverage.
Use calculator →Flooring Calculator
Calculate floor area and order quantity with a waste allowance.
Use calculator →Tile Calculator
Estimate tile count from area, tile size and a cuts/breakage allowance.
Use calculator →Concrete Calculator
Estimate concrete volume for a simple rectangular slab or pad.
Use calculator →Concrete Bag Calculator
Estimate pre-mixed concrete bags using the product yield.
Use calculator →Mulch Calculator
Estimate mulch volume for garden beds and landscape areas.
Use calculator →Soil Calculator
Estimate soil volume for beds, planting areas and raised beds.
Use calculator →Gravel Calculator
Estimate gravel volume and approximate weight from density.
Use calculator →Sand Calculator
Estimate sand volume for paving, beds and simple rectangular areas.
Use calculator →Paver Calculator
Estimate rectangular paver quantity with an allowance for waste.
Use calculator →Paver Base Calculator
Estimate base material volume beneath a paved area.
Use calculator →Sod Calculator
Estimate turf area with a trimming allowance.
Use calculator →Grass Seed Calculator
Estimate lawn seed quantity from area and a supplier rate.
Use calculator →Fence Calculator
Estimate fence panels and posts for a simple straight run.
Use calculator →Deck Calculator
Estimate decking boards and basic joist count for planning.
Use calculator →Drywall Calculator
Estimate board sheets for simple rectangular walls.
Use calculator →Roofing Calculator
Estimate simple roof covering area using a pitch factor.
Use calculator →Insulation Calculator
Estimate insulation area and pack count from product coverage.
Use calculator →Area Calculator
Calculate rectangular area from length and width.
Use calculator →Volume Calculator
Calculate rectangular volume from length, width and depth.
Use calculator →