Free Garden Calculators for Australian Gardeners | Garden Yard Australia

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.

4 Live Tools
2 Coming Soon
Free Always

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.

Built for Australian gardeners
Melbourne-fulfilled orders
95% five-star rated products
Delivered Australia-wide

Available Now

Live

Garden Bed Soil Calculator

Enter 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.

Raised Beds Soil Volume Bag Count Planter Boxes
Use This Calculator
Live

Water Tank Size Calculator

Based on your roof size and Australian rainfall zone, calculate the right rainwater tank capacity for your property. Get accurate storage recommendations in seconds.

Rainwater Water Storage Roof Catchment Climate Zones
Calculate My Ideal Tank Size
Live

Greenhouse Size Recommender

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.

Greenhouses Climate Zones Space Planning 5-Min Quiz
Find My Size
Live

Grow Tent Size Calculator

Tell us how many plants you want to grow indoors and we'll recommend the right Greenfingers grow tent size for your setup — from compact hobby tents to full indoor gardens.

Indoor Growing Grow Tents Plant Count Greenfingers
Find My Grow Tent Size

Coming Soon

Coming Soon

Compost Bin Size Calculator

Enter your household size and garden area to find the right compost bin capacity for your needs.

Composting Household Size
Coming Soon

Garden Shed Size Guide

A quick quiz to help you choose the right shed size based on what you need to store and your available space.

Garden Sheds Storage

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.