Calculate SimplyHow to use Garden Bed Planner & Plant Spacing Calculator
- Start with settings that match your own situation.
- Add records one at a time and use Edit to correct them.
- Review the summary and method, then save or export a backup.
Method and assumptions
Rectangular grid estimate = floor(length × 100 ÷ plant spacing) × floor(width × 100 ÷ row spacing). This assumes half-spacing margins at each edge. Enter usable dimensions after paths; crop spacing is supplied by you, not recommended by this tool.
Get started
Add one record, review its values, then use Edit or Delete to make a correction. Load example provides a starting point you can replace.
Inputs and records
You can edit: Bed / crop; Usable length (m); Usable width (m); Plant spacing along row (cm); Row spacing (cm).
Frequently asked questions
Is this tool free?
Yes. You can use the workspace and export your results without creating an account.
Will my entries appear on another device?
No automatic synchronisation is provided. Export a JSON backup and import it into the same tool on the other device.
What happens if I clear browser data?
Saved plans may be removed. Keep a downloaded backup if you want to retain your entries.
How are the results calculated?
Rectangular grid estimate = floor(length × 100 ÷ plant spacing) × floor(width × 100 ÷ row spacing). This assumes half-spacing margins at each edge. Enter usable dimensions after paths; crop spacing is supplied by you, not recommended by this tool.