Metric Gravel and Pebble Calculator

Gravel coverage is affected by a number of factors including depth of cover and size of stone. In short it's not an exact science!

If you prefer an imperial calculator we have one here.

These calculators provide an ESTIMATE of the gravel or beach pebbles required to cover an area and depth specified by you.

Metric Gravel Calculator

Width (M) Length (M) Depth (mm)
Approx. tonnes (bags) of material required:

Metric Pebble Calculator

Length (M):
Width (M):
Depth (mm):
Pebble/cobble Size:
Approx. tonnes (bags) required: