Skip to content
A new lawn is a significant investment, and like any great turf project, it lives or dies on the prep work. Getting your total square metres exactly right isn’t just about the maths; it’s about ensuring that every square metre of your site is complete without a single patch of dirt left over.
Use our turf calculator below to determine exactly how much turf you need to order. Whether you’re looking for the drought-tough TifTuf Bermuda, the classic Sir Walter, or the elite Sir Grange, this lawn area calculator is your first step to a seamless, professional finish.
Lawn Area Calculator
How to Measure Your Yard Like the Coolabah Crew
Don’t let complex irregular areas stall your progress. Most Australian yards are essentially a collection of simple shapes waiting to be mapped out. Grab a tape measure, a notepad, and let’s break it down.
1. Rectangles and Squares
The foundation of most residential lawns.
- The Maths: Simply multiply the length X width.
- Example: 8 metres long by 4 metres wide equals 32 square metres.
2. Triangles and Sharp Edges
Often found on corner blocks or where the lawn meets a diagonal driveway.
- The Maths: Multiply the base by the height and divide by two to find your turf required.
- Example: A corner patch with a 6-metre base and a 4-metre height (24 total) divided by two equals 12 square metres of turf needed.
3. Circles and Curved Spaces
For a round garden feature or curved edges, you’ll need to find the radius (the distance from the centre to the edge).
- The Maths: Multiply the radius by itself, then multiply by 3.14.
- Example: For a circular fire pit zone with a 3-metre radius, multiply 3 x 3 (9) then by 3.14 to find a total area of 28.26 square metres.
Note: If you’re measuring across the entire circle, that’s the diameter—just halve it to get your radius. For example, if your tape measure runs 8 metres straight across the middle of your circular lawn area (the diameter), you simply divide that by two. Your radius is 4 metres, which is the number you need for the maths above to find your total square metres.
4. Handling More Complex Irregular Areas
If your space is more “freeform,” don’t panic. The trick is to divide the lawn area into several smaller, manageable rectangles and squares. Measure each shape individually, then add them together for your total.
Expert Tip: We always recommend adding a 5% buffer for simple shapes and 10% for complex irregular areas. This ensures you have enough farm-fresh slabs to cover every corner and cut around tricky edges without needing a second delivery.
Choosing the Right Turf Variety
Once you’ve used the turf cost calculator, the next step is selecting the grass that thrives in your specific environment. As a local grower, we’ve spent decades ensuring our turf type quality is second to none:
TifTuf Bermuda
The ultimate water-saver. It loves full sun and stays lush even through a Victorian summer.
Sir Walter DNA Certified Buffalo
The versatile all-rounder. High shade tolerance and incredibly plush underfoot for families.
Sir Grange Zoysia
The elite, fine-leaf choice for those wanting a premium finish to their home.
Eureka Kikuyu
The fast-growing, resilient choice for high-traffic yards needing a tough, vibrant surface.
Why Accuracy Saves You Money
Every square metre counts. Underestimating means your project stops in its tracks; overestimating means you’ve spent money on turf you can’t use.
Ready to get started?
Use the turf calculator tool above, choose your turf variety, and let’s get your instant lawn booked in.
Turf Calculator FAQs
Eyeballing your yard is the quickest way to end up with a project that is half-finished. Because we’ve developed a reliable turf calculator for Australia-wide projects, we know that getting the numbers right from the start prevents the stress (and cost) of an emergency second delivery. It ensures your measurements are grounded in geometry, not guesswork.
While our turf price calculator provides a figure based on your dimensions, we always recommend adding a “waste factor.” This bit of “breathing room” is vital for cutting around edges or garden beds, ensuring the lawn looks perfectly installed and wall-to-wall without any unsightly gaps.
Absolutely. Once you know how many square metres you need, you can use our turf price calculator to compare varieties like TifTuf Bermuda or Sir Walter. Because different varieties have specific slab sizes, knowing your exact total area allows us to give you a transparent quote before you commit to ordering turf.
Yes, as long as you break your yard down into simple shapes first. By measuring triangles and rectangles individually and adding them up, our lawn turf calculator will provide a highly accurate final total. If you’re still feeling unsure, the Coolabah Crew is always a phone call away to help you double-check your maths.
Expert Tip from the Coolabah Crew: Remember, turf is a living product. It needs to be installed the same day it arrives. Having your turf required confirmed through our calculator means you won’t be left waiting for more grass while your first batch sits in the sun!
Are you planning to handle the installation yourself this weekend, or would you like some professional advice on preparing the site soil before the turf arrives? Give us call!
Please check related information about:
ColourGuard lawn paint | Webisodes | Seasonal lawn care | Lawn mowing | Lawn Fertilising | Lawn irrigation | Weed Identification | Lawn without water | Lawn FAQ’s
