Calculate concrete needed for curbs, gutters and driveway edges. Essential for contractors, homeowners and city projects to order the exact amount.
Planning calculator only. Do not rely on this page alone for structural design, permitting, code compliance, engineering signoff, procurement quantities, or contractual commitments.
Volume is calculated as length × combined width (curb + gutter) × depth.
Enter job values, review the estimate, then use the decision hints before ordering or quoting.
| length | width | depth Inches | yards |
|---|---|---|---|
| 100 | 2 | 8 | 4.94 |
| 50 | 1.5 | 6 | 1.39 |
Volume (cu ft) = Length × (Curb Width + Gutter Width) × DepthConvert to cubic yards by dividing by 27. Add 10% for waste and curves.
Depth is usually 6–8 inches for standard curbs
Estimate slab concrete before you call a ready-mix plant or decide whether bags are enough.
Calculate concrete volume for foundation walls, retaining walls or basement walls.
Calculate how much gravel you need for a driveway base, landscaping or drainage project.
10–15% extra for waste, curves and overpour.
6–8 inches is typical for most driveways and sidewalks.