Garden & Outdoor Toolkit
Bulk materials for patios, decks and beds.
Outdoor projects are mostly volume calculations — how many cubic metres of gravel, soil or concrete, and how many boards or panels. These calculators cover the lot.
Gravel Calculator
Volume and weight of gravel or aggregate.
Soil Calculator
Volume and cost for topsoil or garden soil.
Mulch Calculator
Volume and bags to cover a garden bed.
Deck Calculator
Decking boards and joists for a deck.
Fence Calculator
Pickets, posts and rails for a fence.
Concrete Calculator
Volume and bags for a slab or footing.
Pool Volume Calculator
Gallons and litres for any pool shape.
Looking for something else?
Browse every collection, or tell us what you're trying to work out.