CalcMountain

Fertilizer Calculator

Determine the right amount of fertilizer for your lawn or garden. Enter your desired nitrogen application rate, the N-P-K ratio on your fertilizer bag, and your lawn area to get the exact pounds of product needed.

Inputs

Typical rate: 0.5-1.5 lbs N per 1000 sq ft

Results

Total Product

25.0 lbs

Per 1,000 sq ft

5.00 lbs

25-lb Bags

1

50-lb Bags

1

Fertilizer Application Details

DetailValue
Lawn/Garden Area5,000 sq ft
Fertilizer N-P-K20-5-10
Target N Rate1 lbs N / 1,000 sq ft
Product per 1,000 sq ft5.00 lbs
Total Product Needed25.0 lbs
Nitrogen Applied5.00 lbs
Phosphorus Applied1.25 lbs
Potassium Applied2.50 lbs
25-lb Bags Needed1
50-lb Bags Needed1

Frequently Asked Questions

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