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Gardening Calculators

Garden Edging Calculator

Verified formula Updated Jun 2026 Private — runs on your device

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m
Verified formula Private

Edging pieces needed

20

For general information only — not financial, tax, legal or medical advice. Verify before you rely on it.

How to use the Garden Edging Calculator

The Garden Edging Calculator works out your edging pieces needed in an instant. Enter bed perimeter and length per edging piece and the result updates as you type — it is free, needs no sign-up, and runs entirely in your browser so your figures stay private.

  1. Enter the bed perimeter.
  2. Enter the length per edging piece.
  3. Read off your edging pieces needed — the calculator updates automatically, with no button to press.

Worked example

For example, with bed perimeter of 20 m and length per edging piece of 1 m, the edging pieces needed is 20.

Inputs used
Bed perimeter 20 m
Length per edging piece 1 m
Results
Edging pieces needed 20

Results are estimates for educational use, not professional advice.

Key terms explained

Perimeter
The total distance around the outside of a two-dimensional shape.

Frequently asked questions

Divide the bed perimeter by the length of each edging piece and round up. A 20 m perimeter with 1 m pieces needs 20 pieces.

Add the lengths of all the bed's sides; for curves, measure along the edge with a flexible tape.

Yes. A spare piece or two helps with cuts, corners and future changes.

Many types do. Check the product, as pegs are often sold separately and affect the total cost.

Enter the bed perimeter. Enter the length per edging piece. Read off your edging pieces needed — the calculator updates automatically, with no button to press.

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