Tools you might need next
Calculate optimal seed spacing, plants per row, and rows per bed for vegetable garden planning and efficient seed placement.
Convert NPK fertilizer ratios and calculate precise application rates per square foot for lawns, gardens, and raised beds.
Calculate cubic feet and cubic yards of soil mix needed to fill your raised garden beds from length, width, and fill depth.
Divide 12 inches by spacing to find plants per foot in each direction, then multiply for plants per square foot.
plants per sq ft = (12 / spacing in)² for square gridCalculate rows across bed width and plants along bed length using separate row and plant spacing values.
Offset rows can fit about 15% more plants in the same area when spacing is measured center-to-center.
Updated: July 2026
Compare one plant per square for large tomatoes against 4 or 9 per square for salad greens.
Model wider corn hills with bean and squash spacing in the same bed footprint.
Use mature tree spacing to estimate how many dwarf fruit trees fit along a fence line bed.
Plan for mature width and height, especially for squash, tomatoes, and brassicas.
Plant spacing is within the bed. Leave separate aisle width for wheelbarrows and harvesting.
Turn spacing charts into a real plant count. Enter bed dimensions and recommended spacing to plan square-foot grids or traditional rows.