RECTANGULAR BEDS · CENTRE-TO-CENTRE GEOMETRY

Count the positions.
Keep the spacing clear.

Use your bed dimensions, chosen spacing on each axis and centre clearances at the edges. See the rectangular grid count, then download or print your plan.

Your spacing sets the count.This is a centre-point geometry calculator. It does not select plants, recommend spacing, predict growth or estimate yield. Use the details appropriate to your own plan.

1. Measure your rectangular beds

Length is the horizontal X axis of the schematic; width is its vertical Y axis. Enter matching-bed quantities when more than one bed has the same dimensions.

2. Enter centre-to-centre spacing

Spacing is the gap from one centre to the next. These settings apply to all entered bed types. All measurements are in metres: 50 cm is 0.5 m.

Spacing along the length (X)

Positive centre-to-centre spacing along the length.

Spacing along the width (Y)

Positive centre-to-centre spacing along the width.

3. Keep centres clear of the edges

Each clearance applies at both opposite edges on that axis. The first centre starts at the near-edge clearance. A value of 0 allows centres on the bed edge; it is not a recommended setting.

Centre clearance at each length end

Minimum centre-to-edge distance at both X ends. Blank means zero.

Centre clearance at each width side

Minimum centre-to-edge distance at both Y sides. Blank means zero.

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Every bed type, counted separately
Bed type	Length × width (m)	Matching beds	Columns × rows per bed	Positions per bed	Total positions

Dense schematics show up to 150 representative markers. The table and downloaded plan keep the full counts. Rectangles are counted separately, so do not duplicate or overlap beds in the plan.

Count gaps, then add one.

After both edge clearances are deducted, whole spacing gaps fit along each axis. The extra centre is why the formula ends with +1.

Understand the formula →

Keep the last edge honest.

The grid begins at the near-edge clearance. Any unused span stays at the opposite edge, so the final gap may be larger.

See how edge clearance works →

A count, not a crop plan.

Use your own product or project details. The rectangular grid model does not account for paths, obstacles or staggered arrangements.

Read the model limits →