Gravel / Topsoil
Volume + tonnage (UK bulk-bag yield)
m
Reading 5 m
m
Reading 3 m
mm
Reading 50 mm
%
Loose material compacts down. MOT Type 1 / Type 3: allow 20–25%. Decorative gravel and topsoil: 0–10%.
Results
Volume
0.75m³
Tonnes
1.13t
Surface15 m²
Depth50 mm
Density1.5 t/m³
Imperial26.5 ft³
What to buy — 3 items
20mm decorative gravel bulk (dumpy) bag
≈0.7m³ each
2 bag
20mm decorative gravel 25kg handy bag (alt.)
45 bag
Weed-control membrane
17 m²
Opens at Screwfix, Toolstation and the merchants for your trade. Free account, no card.
Take the whole job with you
A free account gets you the Gaffer for the awkward questions, a checklist for the job with every part on a shopping list, and quotes and invoices you can build and price up. Sending them out is Pro. No card needed.
Create your free accountEstimates use standard UK trade rules of thumb. Always check the bag/spec on the day.