Plant Spacing Calculator

Plant Spacing & Bed Density Calculator

Calculate plant capacity, row configurations, triangular staggered grids, and square foot garden layouts

Prevents roots from crowding raised bed borders
Total Plant Capacity
75 Plants
3 Rows of 25 Plants each
Total Growing Area 100.0 sq ft 9.29 m²
Area Allocated per Plant 1.33 sq ft 18″ × 12″ grid footprint
Plant Density 0.75 / sq ft ~32,670 plants / acre
Total Linear Row Length 75.0 ft Across 3 continuous rows
Triangular Staggered Capacity
144 Plants
+15.5% vs. Square Grid (125 Plants)
Row-to-Row Distance 12.99 in Spacing × 0.8660 (Sin 60°)
Calculated Staggered Rows 9 Rows Alternating plant counts
Effective Area per Plant 1.35 sq ft Equilateral hexagon pack
Space Utilization Gain +19 Extra Plants Optimal canopy coverage
Total Raised Bed Plant Yield
128 Plants
32 Square Foot Planting Grids (8 × 4 Bed)
In-Grid Plant Spacing 6.0 inches apart Even 2 × 2 grid per square
Total Grid Sections 32 Grids (1 ft²) Independent crop zones
Soil Volume Needed (8″ Depth) 21.3 cu ft ~0.79 cubic yards
Soil Volume (12″ Deep Bed) 32.0 cu ft ~1.19 cubic yards