Seed Spacing Calculator
Seeds from area and spacing
Seed Spacing / Count
Seeds / plants
0 plants
※ Typical spacing: lettuce 25×25cm, cabbage 45×40cm, radish 30×25cm. Allow extra seeds for germination rate.
Details
| Calc | area 10㎡ ÷ (30×20cm) |
| Seeds / plants | 166 |
⚠️ Reference estimate based on typical growing guidelines. Actual amounts vary with crop and variety, soil and weather, growing method, field shape and waste, so keep some margin. calcstool.com assumes no liability for these results.
FAQ
How many seeds?
Plants = area ÷ (row × plant spacing). Add 20-50% extra seeds for germination rate.
Typical spacing?
Lettuce 25×25cm, cabbage 45×40cm, radish 30×25cm.
By row?
Yes, calculate from row length, plant spacing and number of rows.