Garden Calculators - Need help sizing? Visit our free Garden Tools
Free Garden
Calculators
Practical planning tools designed for Australian gardeners. Take the guesswork out of your next garden project — from soil volumes to greenhouse sizing.
Whether you're filling a new raised garden bed, choosing the right greenhouse for your backyard, or sizing a compost bin for your household — our free calculators give you accurate answers in seconds. Built specifically for Australian conditions, climate zones, and garden sizes.
Available Now
Ready to useEnter your garden bed dimensions and instantly find out how many cubic metres of soil or bags of compost you need. Supports centimetres, metres, and inches — and calculates for both 25L and 30L bags.
Use This Calculator →Answer 5 quick questions about what you want to grow, your available space, and your Australian climate zone — and we'll recommend the ideal Greenfingers greenhouse size for your situation.
Find My Size →Coming Soon
In DevelopmentEnter your household size and garden area to find the right compost bin capacity for your needs.
Tell us how many plants you want to grow indoors and we'll recommend the right Greenfingers grow tent size.
Based on your roof size and Australian rainfall zone, find out the right water tank capacity for your property.
A quick quiz to help you choose the right shed size based on what you need to store and your available space.
Ready to start
growing?
Browse our full range of Greenfingers raised garden beds, greenhouses, grow tents, and garden sheds — all fulfilled from our Melbourne warehouse and delivered Australia-wide.