By lawn size
How much fertilizer for 2,500 sq ft?
2,500 sq ft is 50 by 50 ft. At the usual 1 lb of nitrogen per 1,000 sq ft, that is 2.5 lb of nitrogen, or 8.6 lb of a 29-0-4 lawn food.
The short answer
- Lawn food 29-0-48.6 lbat 1 lb N per 1,000 sq ft
- Complete 16-4-815.6 lbat 1 lb N per 1,000 sq ft
- All-purpose 10-10-1025.0 lbat 1 lb N per 1,000 sq ft
- Urea 46-0-05.4 lbat 1 lb N per 1,000 sq ft
Pounds to spread
Fertilizer for 2,500 sq ft, by rate
One feeding usually carries 0.5 to 1 lb of nitrogen per 1,000 sq ft. Pick the row for your bag's first number.
| Bag numbers | 0.5 lb N / 1,000 | 0.75 lb N / 1,000 | 1.0 lb N / 1,000 |
|---|---|---|---|
| 29-0-4 lawn food | 4.3 lb | 6.5 lb | 8.6 lb |
| 16-4-8 complete | 7.8 lb | 11.7 lb | 15.6 lb |
| 10-10-10 all-purpose | 12.5 lb | 18.8 lb | 25.0 lb |
| 46-0-0 urea | 2.7 lb | 4.1 lb | 5.4 lb |
Bags to buy
Whole bags at 1 lb of nitrogen
| Bag numbers | 15 lb bags | 30 lb bags | 50 lb bags |
|---|---|---|---|
| 29-0-4 | 1 | 1 | 1 |
| 16-4-8 | 2 | 1 | 1 |
| 10-10-10 | 2 | 1 | 1 |
| 46-0-0 | 1 | 1 | 1 |
A whole year
Nitrogen a year for 2,500 sq ft, by grass
Typical yearly ranges from university extension guides, multiplied out for 2,500 sq ft. Spread the total over several feedings.
| Grass | lb of nitrogen a year | lb of 29-0-4 a year |
|---|---|---|
| Kentucky bluegrass | 2.5–10.0 | 8.6–34.5 |
| Tall fescue | 2.5–10.0 | 8.6–34.5 |
| Bermudagrass | 7.5–12.5 | 25.9–43.1 |
| St. Augustinegrass | 5.0–10.0 | 17.2–34.5 |
| Zoysiagrass | 5.0–7.5 | 17.2–25.9 |
| Centipedegrass | 1.0–5.0 | 3.4–17.2 |
Calculator
Your bag, your rate
The calculator starts at 2,500 sq ft. Type the numbers from your own bag for an exact answer.
Other sizes
Fertilizer by lawn size
Questions
2,500 sq ft, answered
How much fertilizer do I need for 2,500 sq ft?
At the usual 1 lb of nitrogen per 1,000 sq ft, 2,500 sq ft takes 2.5 lb of nitrogen. That is 8.6 lb of a 29-0-4 lawn food, 15.6 lb of 16-4-8 or 25.0 lb of 10-10-10.
How many bags of fertilizer for 2,500 sq ft?
With 29-0-4 at 1 lb of nitrogen per 1,000 sq ft, you need 8.6 lb: 1 bag of 15 lb or 1 of 50 lb. Bags round up, so check what is left over in the calculator above.
How big is 2,500 sq ft?
2,500 sq ft is 50 by 50 ft. Measure your own lawn with the lawn measuring tool, leaving out the house, drive and beds.