Home & DIY Tools & Calculators

format_paint Paint Calculator How much paint do you need? Enter room size, doors, windows and coats — get gallons for walls and ceiling. Calculatechevron_right foundation Concrete Calculator Calculate cubic yards of concrete for a slab, plus how many 80 lb or 60 lb bags — with a waste allowance. Calculatechevron_right grass Mulch & Gravel Calculator Calculate cubic yards and bags of mulch or gravel from bed size and depth — 2 cu ft and 3 cu ft bag counts included. Calculatechevron_right ac_unit AC BTU Calculator What size air conditioner do you need? BTU estimate from room size, sun exposure, occupants and kitchen use. Calculatechevron_right grid_view Tile Calculator How many tiles a floor or wall needs — tile size, grout gap and 10% cutting waste included. Calculatechevron_right domain Brick & Block Calculator How many bricks or blocks a wall needs — wall size minus openings, mortar joint and waste included, per common brick sizes. Calculatechevron_right roofing Roof Pitch Calculator Convert between rise/run, degrees, percent and x/12 pitch — with the rafter length multiplier for material estimates. Calculatechevron_right stairs Stair Calculator (Rise & Run) Step count, riser height and tread depth from total rise — checked against the comfort rule and typical code limits. Calculatechevron_right wallpaper Wallpaper Calculator How many rolls a room needs — wall width, height, roll size and pattern repeat included, the way decorators count. Calculatechevron_right pool Pool Volume & Chlorine Calculator Pool volume in m³, liters and gallons from its shape — plus how many grams of your chlorine product raise it by a target ppm. Calculatechevron_right square_foot Square Footage Calculator Add up rooms and shapes — rectangles, circles, triangles — for total square footage, with optional cost per sq ft. Calculatechevron_right