Lawn Fertilizer Calculator
Apply the perfect amount of fertilizer every time. This tool helps you calculate exactly how much product your lawn needs based on its size and your fertilizer’s N-P-K ratio, preventing waste and protecting your grass from burn.
Your Application Plan
Enter your details and click “Calculate” to see your results.
Why Accurate Application is Crucial
Applying the correct amount of fertilizer is the key to unlocking your lawn’s potential. This calculator ensures you’re giving your lawn exactly what it needs for optimal health and color.
- Prevents Lawn Burn: Over-applying synthetic fertilizer is the number one cause of yellow and brown stripes or patches, which can take weeks to recover.
- Saves Money: By calculating the precise amount of product needed, you avoid wasting expensive fertilizer and ensure each bag lasts as long as it should.
- Protects the Environment: Applying only what the lawn can absorb minimizes nutrient runoff into local waterways.
Your Next Step: Now that you know *how much* to apply, learn *when* and *how* to apply it like a pro. For a complete seasonal schedule and application techniques, read our definitive Lawn Fertilizing Guide.
