By lawn size
How much fertilizer for a quarter acre?
A quarter acre is 10,890 sq ft, about 104 ft on each side of a square. At the usual 1 lb of nitrogen per 1,000 sq ft, that is 10.9 lb of nitrogen, or 37.6 lb of a 29-0-4 lawn food.
The short answer
- Lawn food 29-0-437.6 lbat 1 lb N per 1,000 sq ft
- Complete 16-4-868.1 lbat 1 lb N per 1,000 sq ft
- All-purpose 10-10-10109 lbat 1 lb N per 1,000 sq ft
- Urea 46-0-023.7 lbat 1 lb N per 1,000 sq ft
Pounds to spread
Fertilizer for a quarter acre, 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 | 18.8 lb | 28.2 lb | 37.6 lb |
| 16-4-8 complete | 34.0 lb | 51.0 lb | 68.1 lb |
| 10-10-10 all-purpose | 54.5 lb | 81.7 lb | 109 lb |
| 46-0-0 urea | 11.8 lb | 17.8 lb | 23.7 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 | 3 | 2 | 1 |
| 16-4-8 | 5 | 3 | 2 |
| 10-10-10 | 8 | 4 | 3 |
| 46-0-0 | 2 | 1 | 1 |
A whole year
Nitrogen a year for a quarter acre, by grass
Typical yearly ranges from university extension guides, multiplied out for a quarter acre. Spread the total over several feedings.
| Grass | lb of nitrogen a year | lb of 29-0-4 a year |
|---|---|---|
| Kentucky bluegrass | 10.9–43.6 | 37.6–150 |
| Tall fescue | 10.9–43.6 | 37.6–150 |
| Bermudagrass | 32.7–54.5 | 113–188 |
| St. Augustinegrass | 21.8–43.6 | 75.1–150 |
| Zoysiagrass | 21.8–32.7 | 75.1–113 |
| Centipedegrass | 4.4–21.8 | 15.0–75.1 |
Calculator
Your bag, your rate
The calculator starts at a quarter acre. Type the numbers from your own bag for an exact answer.
Other sizes
Fertilizer by lawn size
Questions
A quarter acre, answered
How much fertilizer do I need for a quarter acre?
At the usual 1 lb of nitrogen per 1,000 sq ft, a quarter acre takes 10.9 lb of nitrogen. That is 37.6 lb of a 29-0-4 lawn food, 68.1 lb of 16-4-8 or 109 lb of 10-10-10.
How many bags of fertilizer for a quarter acre?
With 29-0-4 at 1 lb of nitrogen per 1,000 sq ft, you need 37.6 lb: 3 bags of 15 lb or 1 of 50 lb. Bags round up, so check what is left over in the calculator above.
How big is a quarter acre?
A quarter acre is 10,890 sq ft, about 104 ft on each side of a square. Measure your own lawn with the lawn measuring tool, leaving out the house, drive and beds.