Our convenient compost calculator takes the guesswork out of ordering compost for pots, planters and beds. Simply select the appropriate shape for your pot or planter, or create custom dimensions for beds, and enter the dimensions. Our handy calculator will then work out how much compost you need. We stock a wide variety of quality branded composts for every type of gardening project. If you require help selecting the correct compost or fertiliser for your needs our horticultural team are on hand to offer help and advice.
Choose your shape
Enter your size
You will need 7 litres of compost in total
Please note that all of our calculations have a margin of error of +/- 10%.We recommend
Westland Jack's Magic Compost
Jack's Magic All-Purpose Compost consists of 100% natural ingredients to create a perfectly balanced..
£7.99 £6.66
New Horizon All Plant Multi Purpose Compost
New Horizon All Plant Compost is a 100% sustainable, naturally peat free formulation that gives ever..
£7.99 £6.66
Miracle-Gro All Purpose Enriched Compost
Miracle-Gro All Purpose Enriched Compost comes with Fibre Smart Technology with 100% natural hollow ..
£5.99 £4.99
Melcourt SylvaGrow Multi-Purpose Compost
Melcourt SylvaGrow Multi-Purpose Compost is an RHS endorsed, 100% peat free growing medium for garde..
£9.99 £8.33