Free Calculators & Planners

Garden Shed Size Calculator

Work out the right shed size for what you need to store, and how much space it will take up in your garden.

Lawn Seed Calculator

Calculate how much grass seed you need based on your lawn area and whether you are overseeding or starting from bare soil.

Greenhouse Heating Calculator

Estimate the heater wattage you need to keep your greenhouse frost-free through a UK winter.

Garden Zone Planner

Split your garden into lawn, patio, planting and storage zones and see how much space each one takes up.

Patio Size & Paving Calculator

Work out how many paving slabs you need for your patio and get a rough materials cost.

Fence Panel Calculator

Calculate how many fence panels, posts and bags of postcrete you need for your garden boundary.

Soil & Compost Calculator

Work out how much topsoil or compost you need to fill a raised bed or border.

Mulch Calculator

Calculate how much mulch you need to cover a border or bed at the right depth.

Decking Cost Calculator

Estimate the cost of decking your garden based on area and decking material.

Pond Volume Calculator

Calculate your pond volume in litres to help you choose the right pump and stock fish safely.

Garden Hose Finder

Answer a few quick questions and we’ll recommend the right garden hose for you.