Calculate the amount of grass seed you need for your lawn instantly with our interactive free Grass Seed Calculator. Perfect for new lawns, overseeding, or patching, no guessing, just simple maths.
Say Goodbye to Guesswork
Have you ever bought a bag of grass seed only to discover that it barely covers half your lawn or, even worse, that you've got enough leftover to reseed the neighbour's lawn as well? The Grass Seed Calculator takes all of that doubt out of the picture. No more guessing, no more overbuying, just an accurate, personalised calculation of exactly how much seed you actually do need.
Plain Figures, Intelligent Lawn
You merely have to know your lawn area in square metres and your desired seeding rate (usually on the seed packet). As a guideline, for example, most general lawn mixtures need something around 30–40 grams per square metre, while finer ornamental lawns need less and more vigorous sports grass a bit more. Enter the two amounts into the calculator, press the button, and you'll be instantly informed how many kilograms of seed you'll need.
Ideal for New Lawns or Overseeding
This product works great whether you're starting from scratch or just giving tired grass a boost. For new lawns, use the full recommended seeding rate. For overseeding, you can often use half that amount to restore and thicken up existing grass. It's also great for patching repairs after winter damage or heavy foot traffic.
Grass Seed Calculator
Find out how much grass seed you need for your lawn.
Save Money and Time
Purchasing the correct quantity of seed not only saves money but also promotes even growth and uniform coverage. Too little seed results in bare spots, while too much results in crowding and thin, spindly grass. This calculator determines the sweet spot, so your lawn grows lush, even, and healthy.
So if you're the lucky owner of a luscious garden or just a neatly manicured patch of green, try this Grass Seed Calculator out before your next trip to the garden centre. Your lawn (and wallet) will thank you.
Final Word Conclusion
And there you have it, your exact grass seed needs calculated in seconds. No more garden guesstimates, no more unused bags taking up space in the shed.
If this calculator proved useful to you, I'd love to hear your feedback in the comments below. Was your estimate close? Or did you discover your lawn's larger (or smaller) than anticipated? Leave a comment, your input and experiences enable me to tune these tools and grow this site into the ultimate gardening resource.
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