Concrete, gravel and paint amounts

DIY Material Calculator

DIY Material Calculator makes it easy to estimate how much material you need for your home improvement projects. No more guessing or buying too much!

Free to download. Contains ads and optional in-app purchases.

What it does

What You Can Calculate

Concrete: bags needed for slabs, footings, and posts. Mulch: coverage for garden beds and landscaping. Gravel: quantity for driveways, paths, and drainage. Topsoil: volume for raised beds and lawn repair. Sand: amount for paving, play areas, and leveling. Paint: gallons or litres for walls and rooms.

Key Features

Imperial (feet, inches, gallons) or Metric (meters, cm, litres). Multiple currencies supported. Bag sizes for different regions.

Perfect For

Weekend DIY warriors. Homeowners planning projects. Gardeners and landscapers. Anyone tired of overbuying materials.

Articles

Concrete calculator guide: how much concrete do I need for a slab, footing or post?How a concrete calculator works out volume for slabs, footings and posts, how to convert millimetres, how much extra to allow, and when to get advice.21 October 2026

Get DIY Material Calculator

Free to download on Google Play.