How to Measure Garden Edging, Including Curves and Corners

Trace the exact route

Mark the intended border with a hose, string, flags, or another removable guide. Adjust it until bed depth, path clearance, and mowing access feel right. Measure along that actual line rather than measuring only the straight distance between endpoints. For curved sections, follow the curve with a flexible tape or measure a marked cord after laying it along the route.

Create a sketch that separates each run. Label endpoints and include breaks for gates, steps, drains, utility access, trees, and existing hardscape. If the edging will appear on both sides of a path or island bed, record those as distinct runs so none are overlooked. Photos with the route marked can clarify the drawing.

If you have not picked the stone yet, our guide to stone garden edging shows which stone suits the bed.

Document corners and changes

Linear distance alone does not describe the whole project. Count corners, note whether they are square, angled, or rounded, and identify tight curves. Mark grade changes and transitions where the desired border height changes. These features can affect fitting, piece selection, and labor even when they add little to the measured route.

Record whether the border is one stone wide, built in more than one course, or intended to show more than one face, but leave construction decisions to the installer. If soil pressure or a slope is involved, describe it clearly and request professional guidance. Garden edging and a retaining structure are different scopes, and the correct approach depends on the site.

Turn measurements into an order

Ask the supplier what selling unit applies to the selected stone and what dimensions or piece counts typically vary within that unit. Do not convert linear measurements to an order using a number borrowed from an unrelated product. Give the seller and installer the sketch, total measured route, corner count, design height, visible faces, and preferred stone.

Have the installer account for cuts, corner treatment, material variation, selection, and a reasonable project-specific allowance. Then verify the quantity, unit price, packaging, delivery charge, taxes, and policies for unused or partial material. Keep a few labeled photos and the final product information with the project record. Measuring carefully does not eliminate natural variation, but it gives everyone the same scope and makes quantity discussions far more productive.