DIY material calculators
Know how much material to buy before you start your project.
DIY Material Calculator helps homeowners, weekend DIYers, contractors, landscapers, and small crews estimate concrete, mulch, gravel, soil, paver base, and other materials before buying, quoting, or starting a job.
Why use DIY Material Calculator
Instant estimates
Enter measurements and see material quantities update before you buy, quote, or start work.
Copyable material lists
Copy or print a practical list for the store, supplier call, quote notes, or jobsite check.
Transparent formulas
Each calculator explains the formula, conversions, assumptions, and waste factors used.
Built for DIY projects and jobsite checks
Useful for patios, garden beds, fence posts, walkways, quick estimates, and field measurements.
Start here
Popular calculators
Concrete
Concrete Slab Calculator
Planning a patio, driveway, or garage floor? This concrete slab calculator helps you estimate how much concrete to order based on your measurements, whether you need cubic yards for a ready-mix truck or bag counts for hand mixing.
Concrete
Concrete Bag Calculator
Estimate how many bags of concrete you may need for your project. Enter your project dimensions or a known volume, and select your bag size (40-lb, 50-lb, 60-lb, or 80-lb).
Landscaping
Mulch Calculator
Estimate how much mulch you may need for garden beds, landscape beds, tree rings, and paths based on your area and preferred depth.
Landscaping
Gravel Calculator
Estimate how much gravel, crushed stone, or sand you may need for driveways, paths, patios, and drainage areas based on your dimensions and material type.
Hardscaping
Paver Base Calculator
Estimate how much crushed stone base and bedding sand you may need for paver patios, walkways, and small hardscape projects.
Landscaping
Raised Garden Bed Soil Calculator
Estimate how much potting soil or raised bed mix you may need to fill your new garden beds.
How it works
From measurements to material list
Measure
Measure the project area, thickness, depth, or number of pieces needed.
Enter dimensions
Add your numbers and adjust waste factor, bag size, or material density when available.
Copy or print
Use the material list while shopping, ordering delivery, or comparing options.
Planning help
Popular DIY Guides
Concrete
How Much Concrete Do I Need?
Estimate concrete volume in cubic feet, cubic yards, or bags before buying or quoting a pour.
Concrete
How Much Concrete for a 10x10 Slab?
A quick guide to concrete quantities for a common 10x10 slab.
Landscaping
How Much Mulch Do I Need?
Estimate mulch volume for beds, tree rings, and landscape projects.
Landscaping
How Much Gravel Do I Need?
Estimate gravel volume and tonnage for paths, patios, and drainage projects.
Landscaping
How Much Soil for a Raised Bed?
Estimate soil volume for raised garden beds before buying bags or bulk mix.
Hardscaping
How Much Paver Base Do I Need?
Estimate paver base stone and bedding sand before building a patio or walkway.
Hardscaping Tools
Landscaping Tools
Raised Garden Bed Soil Calculator
Estimate how much potting soil or raised bed mix you may need to fill your new garden beds.
Gravel Calculator
Estimate how much gravel, crushed stone, or sand you may need for driveways, paths, patios, and drainage areas based on your dimensions and material type.
Mulch Calculator
Estimate how much mulch you may need for garden beds, landscape beds, tree rings, and paths based on your area and preferred depth.
Concrete Tools
Concrete Footing Calculator
Estimate concrete volume for rectangular footings used under walls, small structures, posts, and foundations.
Sonotube Concrete Calculator
Estimate how many bags of concrete you may need to fill round concrete form tubes for deck piers, columns, and structural footings.
Post Hole Concrete Calculator
Estimate how much concrete you may need for setting fence posts, deck footings, and mailbox posts. Calculates volume per hole while subtracting the space taken up by the post itself.
Concrete Bag Calculator
Estimate how many bags of concrete you may need for your project. Enter your project dimensions or a known volume, and select your bag size (40-lb, 50-lb, 60-lb, or 80-lb).
Concrete Slab Calculator
Planning a patio, driveway, or garage floor? This concrete slab calculator helps you estimate how much concrete to order based on your measurements, whether you need cubic yards for a ready-mix truck or bag counts for hand mixing.
DIY material calculator FAQ
Are these calculators for homeowners or contractors?
These calculators are written to be simple enough for homeowners and weekend DIYers, but they can also help contractors, landscapers, and small crews make quick material estimates before buying materials, quoting a job, or checking a measurement in the field.
Why do the calculators include a waste factor?
Real projects are rarely perfect. Uneven ground, cuts, spills, compaction, and measuring mistakes can all increase the amount of material you need.
Can I use these estimates as final engineering advice?
No. These calculators are planning tools. For load-bearing work, structural concrete, retaining walls, permits, drainage problems, or code questions, talk with a qualified professional.