From area and depth to volume
Material needs are a volume problem: area times depth. The calculator turns your measurements into cubic yards and meters so you're ordering by the unit suppliers actually sell, instead of guessing and over- or under-buying.
Weight and bags matter for buying
Suppliers price gravel and sand by the ton and sell soil and mulch by the bag. Converting volume into estimated weight and bag count means you can place an order or fill a cart without a second round of math at the store.
Estimates, then a margin
Real projects have uneven ground, compaction, and waste, so it's wise to add roughly 5–10% to any estimate. Use the figures as an accurate baseline, then round up so you don't run short mid-job.
Features
- 01
- Rectangle and circle area shapes
- 02
- Material presets: concrete, gravel, mulch, topsoil, sand
- 03
- Volume in cubic yards, cubic metres & cubic feet
- 04
- Estimated weight in tons and number of bags
- 05
- Adjustable waste % and optional cost estimate
- 06
- Imperial (ft/in) and metric (m/cm) support
