Calculate seed spacing, seeds needed, seeds per row, seeds per square foot, seeds per acre, germination loss, and planting cost. Use this seed spacing calculator for vegetable gardens, flower beds, seed rows, field plots, native plantings, and nursery starts.
Seeds from spacing:
The calculator converts the planting area to square feet, calculates area per planting spot, then multiplies by seeds per spot.
Spacing from target seeds:
Enter a target number of seeds and the calculator estimates average square spacing for that seed density.
Row planting layout:
Enter row length, number of rows, and in-row seed spacing to estimate seeds per row and total seeds.
Seed cost:
The calculator estimates seed packets needed and total seed cost using seeds per packet and packet price.
A seed spacing calculator helps estimate how many seeds are needed before planting a garden bed, field row, raised bed, or seed tray.
It can be useful for vegetables, flowers, herbs, native seedings, direct seeding, nursery starts, small plots, school gardens, and home garden planning.
Your result shows base planting spots, seeds needed, seeds to buy, expected germinated seeds, seed packets needed, seed spacing, row spacing, seeds per row, seeds per square foot, seeds per acre, and estimated seed cost. These are planning estimates based on spacing, germination rate, seed allowance, and packet size.
Multiply seed spacing by row spacing to find area per planting spot, then divide the total planting area by that amount.
Many gardeners plant more than one seed per hole to account for germination loss, then thin seedlings later if needed.
Germination rate estimates how many seeds may sprout. A lower germination rate means you may need extra seed to reach your target stand.
Yes. Extra seed helps cover poor germination, damage, uneven planting, thinning, reseeding, or packet count differences.