Seed & Plant Spacing Calculator

See how many plants fit a bed and how far apart to space them.

Pattern

Bed length (ft)

Bed width (ft)

Spacing between plants (in)

Row spacing (in)

Total plants

Plants / sq ft

0.22

Bed area

32.0 sq ft

Rows × per row

2 × 6

Common plant spacings (apply preset): Tomato (large) 24" · Pepper (large) 18" · Lettuce (leaf) 8" · Carrot 3" · Onion 4" · Cucumber 18" · Strawberry 12" · Garlic 6"

About this tool

Pick a planting pattern (square-foot grid, row, triangular), bed length and width, and a spacing distance. Get the total number of plants, the recommended in-row and between-row spacing, and seed/spray coverage. A direct answer to the r/gardening 'how many tomato plants fit a 4×8 bed' question.

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