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Free plant spacing calculator for vegetable gardens and raised beds. Calculate plant spacing, garden capacity, and optimal layout patterns. Perfect for square foot gardening, raised beds, and intensive planting methods. Supports square, offset, and triangular planting patterns for maximum yield.
Last updated: February 2, 2026
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Length of your garden bed or growing area
Width of your garden bed or growing area
Distance between plants in same row
Distance between rows
Total Plants
55
plants for your garden
Plants per Row
11
Number of Rows
5
Area per Plant
104.73 inches²
Plant Density
0.01/inches²
Pattern: Square Grid
Standard spacing. Ideal for most vegetables like peppers, lettuce, and bush beans. Provides good balance of yield and plant health.
Plant Spacing Tips:
Plants per square
1, 4, 9, or 16
Popular method for maximizing yield in small spaces
Common size
4×8 or 4×4 feet
Optimize planting layout for standard raised bed dimensions
Spacing range
3" to 48"
Crop-specific recommendations for optimal growth
Pattern types
Square, Offset, Triangle
Multiple planting patterns for efficiency
Examples
3 Sisters, interplanting
Optimize spacing for companion plant combinations
Output
Total plant count
Determine how many plants fit in your garden space
For a 120" × 48" garden bed with 12" plant and row spacing (square pattern):
Total Plants
55
Per Row
11
Rows
5
Our plant spacing calculator uses proven gardening formulas and square foot gardening principles to determine optimal plant layout. The calculator accounts for bed dimensions, plant spacing requirements, row spacing, and planting patterns to maximize garden productivity while maintaining proper spacing for healthy plant growth.
Square Pattern:
Plants per Row = (Length ÷ Plant Spacing) + 1Number of Rows = (Width ÷ Row Spacing) + 1Total Plants = Plants per Row × Number of RowsOffset Pattern (15-20% more efficient):
Adjusted Row Spacing = Row Spacing × 0.866Alternating rows offset by half spacingPlant Density:
Density = Total Plants ÷ Total AreaArea per Plant = Total Area ÷ Total PlantsVisual comparison of square, offset, and triangular patterns
The calculator supports three planting patterns: Square (traditional rows and columns), Offset/Diamond (staggered rows for 15-20% more plants), and Triangular (equidistant spacing). The offset pattern is most space-efficient, creating a hexagonal arrangement where each plant is equidistant from six neighbors, maximizing use of available space while maintaining proper spacing for air circulation and growth.
Need help with other gardening calculations? Check out our raised bed soil calculator and DLI calculator.
Get Custom Calculator for Your PlatformResult: You can plant 15 tomato plants in this 4×8 raised bed
Standard spacing provides excellent air circulation and room for growth
4×4 bed, 6" spacing, square pattern
Result: 49 lettuce plants (7×7 grid)
Square foot, 3" spacing, 16 per sq ft
Result: 16 carrots per square foot
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