Fertiliser Calculator
Estimate fertiliser needed from area and the product application rate.
Link to this tool
Copy this HTML to cite this tool from your own site or article.
About Fertiliser Calculator
Fertiliser Calculator calculates total lawn or garden fertiliser weight in kilograms based on garden area and manufacturer application rate.
How to use Fertiliser Calculator
- Enter lawn or garden border length and width in metres.
- Enter target application rate in grams per square metre (printed on box).
- Click Calculate to compute total fertiliser weight in kg.
- Review total application quantity.
Examples
Lawn: 200m² area, Application Rate: 35g/m² Result: 7.00 kg of lawn fertiliser required.
FAQ
How do I find the correct application rate?
Check the product label on your fertiliser container for recommended application rates (grams per m²).
Should I water the lawn after applying fertiliser?
Yes. Watering after application helps granules dissolve into the soil root zone and prevents blade burning.