Use real measurements and editable waste allowances.
Free material calculators
Measure the project. Plan the buy.
Build a clearer shopping list for the work ahead. Estimate material quantities and rough cost for real home projects, entirely in your browser.
See quantities and rough material cost before buying.
Copy, download or print the list for the store run.
Adjust waste, package sizes and cost for your job.
Common project questions
Start with a worked example, then open the calculator.
How much paint for a bedroom?
Open calculatorHow many bags for a 10 x 10 slab?
Open calculatorHow many pickets for 100 feet?
Open calculatorHow many deck boards do I need?
Open calculatorMore planning tools
Explore every material calculator.
Each estimate starts with sensible example measurements, then lets you change package sizes, prices, spacing, coverage, or waste for your job.
Painting
Paint Calculator
Estimate gallons of wall paint and material cost for interior rooms.
Open calculator
Interior
Drywall Calculator
Estimate drywall sheets, joint compound, tape, fasteners, waste, and panel cost for a room.
Open calculator
Floors
Flooring Calculator
Estimate flooring square footage, boxes, waste, and material cost for rooms, closets, and halls.
Open calculator
Tile
Tile Calculator
Estimate tile quantity, boxes, thinset, grout, waste, and material cost.
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Yard
Mulch Calculator
Estimate mulch cubic yards, bags, depth, and cost for landscape beds.
Open calculator
Exterior
Concrete Calculator
Estimate concrete cubic yards, bags, slab volume, and cost for pads, patios, and footings.
Open calculator
Exterior
Fence Calculator
Estimate fence panels, posts, rails, pickets, concrete, and material cost.
Open calculator
Exterior
Deck Board Calculator
Estimate deck boards, deck surface square footage, fasteners, waste, and material cost.
Open calculator
Moving
Moving Box Calculator
Estimate moving boxes, tape, packing paper, and basic supply cost.
Open calculatorMeasurement guides
Learn the method before the material run.
Read practical measurement walkthroughs with formulas, examples, and the details worth confirming before purchase.
Browse all guides Painting How Much Paint Do I Need for a Bedroom? 5 min read Concrete How Many Bags of Concrete for a 10 x 10 Slab? 5 min read Fencing How Many Pickets Do I Need for 100 Feet of Fence? 5 min read Decking How to Calculate Deck Boards and Fasteners for a Simple Deck 6 min read Painting How Much Paint Do I Need for a Room? 5 min read Interior How Many Sheets of Drywall Do I Need? Room Estimate Guide 7 min read Floors How to Calculate Square Feet for Flooring and Boxes 6 min read Concrete How to Calculate Concrete Yards for a Slab 6 min read Landscaping How Much Mulch Do I Need? Cubic Yards, Bags, and Depth 5 min read Tile How Much Tile Do I Need? Square Footage, Boxes, and Waste 6 min read Fencing How to Calculate Fence Materials: Posts, Rails, and Pickets 6 min read Moving How Many Moving Boxes Do I Need? A Room-by-Room Packing Plan 6 min read
Transparent calculations
Useful because the assumptions stay visible.
Every calculator tells you which assumptions drive the result and which site conditions still need confirmation before purchasing.
- 01 Measure
Enter real dimensions and openings from your project area.
- 02 Adjust
Use the product label for coverage, box size, yield, or cost.
- 03 Leave prepared
Copy, download or print a material list before you shop or request bids.
Browser-only by design
Your measurements stay on this device.
No account is required and calculator entries are not uploaded to a server. Recent values are saved in local storage so the estimate is ready when you return on the same browser.
Know before building
These are material planning estimates. Confirm product packaging, manufacturer instructions, permits, local code, site conditions, and professional requirements where they apply.
Read how to use the estimates