Free Tool · UK Standards

Kerb Calculator

Calculate kerb units, bedding concrete and haunching volumes for straight, radius and dropped kerbs to UK standards.

Straight Kerb Inputs

m
%
mm
mm
mm
mm

Results

Kerb Units Required
units (inc. wastage)
Bedding Concrete
Haunching Concrete
Item Calculation Result

UK Kerb Specification Reference

Bullnose Kerb (BN)
Height150mm / 255mm
Width125mm
Length915mm
StandardBS EN 1340
Half Battered (HB2)
Height150mm / 255mm
Width125mm
Length915mm
StandardBS EN 1340
Radius Kerb
Unit length305mm
Min. radius1.0m
ProfilesBN / HB2
StandardBS EN 1340

Need to record a trial trench survey?

Trial Trench Surveys records underground service data on site, draws a live cross-section diagram and generates a professional A3 PDF report in one click.

Free 3-Day Trial →