Home & DIY
Calculators for home improvement projects: how much material to buy for decks, fences, walls, floors, tiles, windows and garden walls.
Tools in this category
- Deck Board Calculator: How Many Boards, and Which Lengths to Buy: Enter your deck size and get a board buy list by length, a cut plan with staggered joints, the layout drawn to scale, joist and screw counts. Feet or metres. Runs in your browser.
- Fence Picket and Post Calculator: Pickets, Posts, Rails and Concrete: Plan a fence run by run: posts, pickets, rails cut from stock lengths, concrete bags and a drawing of every run with gates. Feet or metres. Runs in your browser, nothing is uploaded.
- Wallpaper Calculator: How Many Rolls, with a Strip-by-Strip Plan: Enter your walls, doors and windows and the roll size and pattern repeat. Get the rolls to buy, every strip drawn on each wall, and a cut plan for each roll. Feet or metres. Runs in your browser.
- Post and Footing Concrete Calculator: How Many Bags for Your Holes: Count the concrete bags and gravel for fence post or deck footing holes. Pick up your fence or deck plan, set hole size and depth, get a buy list and a drawing. Runs in your browser.
- Deck and Fence Stain Calculator: How Many Gallons from Your Plan: Turn a deck or fence plan into the area to stain and the gallons to buy: tops, edges, railing, stairs, pickets on both sides, posts and rails, with coats and a range. Runs in your browser.
- Tile Calculator with Grout and Thinset: How Much Should You Buy?: Enter the surface, tile size and joint width. Get tiles with waste, boxes, grout bags and thinset bags in one buy list, plus a to-scale layout drawing. Feet or metres. Runs in your browser.
- Flooring Calculator: How Many Boxes Do You Need?: Add up to three rectangles for an L-shaped room, pick a straight, diagonal or herringbone layout for the waste, and get the number of flooring boxes to buy. Feet or metres. Runs in your browser.
- Curtain Size Calculator: How Wide and How Long?: Enter your window, rod height and the look you want. Get the rod width, number of panels, finished length and cut size, with a to-scale window drawing. Inches or millimetres. Runs in your browser.
- Retaining Wall Block Calculator: Blocks, Caps, Base and Drainage Stone: Enter wall length, height and block size. Get blocks, caps, base gravel, drainage stone and drain pipe in one buy list, with a course-by-course profile drawing. Feet or metres. Runs in your browser.
- Baseboard Calculator: Linear Feet, Boards to Buy and a Cut List: Add up several rooms, leave out the doors, and get the linear feet of baseboard plus how many 8, 12 or 16 ft boards to buy, with a cut list that keeps joints to a minimum. Feet or metres.
- Paint Calculator for a Room: Gallons for Walls, Ceiling and Trim: Work out how much paint a room needs: walls minus doors and windows, ceiling and trim, each with its own coats, rounded to cans you can buy, with an optional cost. Feet or metres, gallons or litres.
- Drywall Calculator: How Many Sheets, plus Screws, Compound and Tape: Enter a room's walls and ceiling, or an area you already have, and pick 4x8, 4x10 or 4x12 ft (or 1200 mm) sheets. Get the sheet count with waste, plus screws, joint compound and tape. Feet or metres.
- Paver Calculator: How Many Pavers, plus Base Stone and Sand for a Patio: Count the pavers for a patio, plus base stone, bedding sand, joint sand and edge restraint, layer by layer. Add waste and see a purchase list in tons or tonnes. Feet or metres. Runs in your browser.
- Gravel Driveway Calculator: How Many Tons, Yards and Truckloads: Work out the tons of gravel for a driveway or path: base layer plus surface layer, a compaction allowance, cubic yards, truckloads and an optional cost. Tapered drives supported. Feet or metres.
- Pond Liner Size Calculator: Liner, Volume and Pump Flow: Work out the liner size for a garden pond from its length, width, depth and edge overlap. Also get a water volume estimate, a planting shelf allowance and a pump flow. Runs in your browser.
- Board and Batten Spacing Calculator: Equal Gaps, Cut List and Wall Drawing: Enter a wall size, batten width, wanted gap and any doors or windows. Get equal batten spacing, a cut list, the stock boards to buy and a wall drawing. Runs in your browser.
- Raised Bed Soil Calculator: How Much Soil, and Bulk or Bags?: Enter several raised beds and their depths. Get the soil volume, a topsoil, compost and aeration split, the bags needed, and a bulk versus bag cost comparison from your prices. Runs in your browser.
Related categories
- Crafts & Sewing: Quantity calculators for sewing, quilting and knitting projects: fabric, binding and yarn.
- Kitchen & Food: Cooking helpers: scale recipes, convert cups to grams and plan a week of meals.