🏗️ Concrete Volume Calculator
Calculate concrete volumes according to British Standards (BS 8500)
Structure Shape
Slab Dimensions
meters (m)
meters (m)
meters (m)
Typical slab thickness: 100-150mm for domestic, 150-200mm for commercial
Column Dimensions
meters (m)
meters (m)
columns
Beam Dimensions
meters (m)
meters (m)
meters (m)
Stairs Dimensions
meters (m)
meters (m)
meters (m)
steps
meters (m) - typical: 150-200mm
meters (m)
meters (m)
meters (m)
BS 5395: Rise per step typically 150-220mm, Going per step typically 220-300mm
Smooth ramp - Triangular prism completely filled with concrete. No steps, just an inclined plane.
Solid stepped stairs - Rectangular blocks stacked to form steps. Completely filled underneath each step.
BS 5395: Hollow stairs - Thin waist slab with individual triangular steps on top. Hollow/void space underneath the waist slab.
Calculated Volume
Waist Slab Volume
0
Steps Volume
0
Landing Volume
0
Total Concrete Volume
0
Volume with 5% Wastage
0
