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Use the calculator and chart below to determine your seeding rate in both seeds-per-acre and pounds-per-acre.
Germination percentage and average seeds-per-pound information can be found on the tag attached to your seed bags.
| Seed Spacing (inches) |
Width Between Rows (Inches) |
| 19 |
20 |
21 |
30 |
36 |
38 |
40 |
42 |
60 |
| 1 |
330,139 |
313,632 |
298,697 |
209,088 |
174,240 |
165,069 |
156,816 |
149,349 |
104,544 |
| 1.5 |
220,093 | 209,088 | 199,131 | 139,392 | 116,160 | 110,046 | 104,544 | 99,566 | 69,696 |
| 2 |
165,069 | 156,816 | 149,349 | 104,544 | 87,120 | 82,535 | 78,408 | 74,674 | 52,272 |
| 2.5 |
132,056 | 125,453 | 119,479 | 83,635 | 69,696 | 66,028 | 62,726 | 59,739 | 41,818 |
| 3 |
110,046 | 104,544 | 99,566 | 69,696 | 58,080 | 55,023 | 52,272 | 49,783 | 34,848 |
| 4 |
82,535 | 78,408 | 74,674 | 52,272 | 43,560 | 41,267 | 39,204 | 37,337 | 26,136 |
| 5 |
66,028 | 62,726 | 59,739 | 41,818 | 34,848 | 33,014 | 31,363 | 29,870 | 20,909 |
| 6 |
55,023 | 52,272 | 49,783 | 34,848 | 29,040 | 27,512 | 26,136 | 24,891 | 17,424 |
| 7 |
47,163 | 44,805 | 42,671 | 29,870 | 24,891 | 23,581 | 22,402 | 21,336 | 14,935 |
| 8 |
41,267 | 39,204 | 37,337 | 26,136 | 21,780 | 20,634 | 19,602 | 18,669 | 13,068 |
| 10 |
33,014 | 31,363 | 29,870 | 20,909 | 17,424 | 16,507 | 15,682 | 14,935 | 10,454 |
| 12 |
27,512 | 26,136 | 24,891 | 17,424 | 14,520 | 13,756 | 13,068 | 12,446 | 8,712 |