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Curb & Gutter Calculator

Calculate concrete volume, formwork, and materials for curbs, gutters, and combined sections.

Height above gutter
Additional depth at centerline
Calculate from drawing dimensions

Or enter multiple sections:

Results

Standard Curb & Gutter Profiles

Profile Curb Height Gutter Width Cross Section CY per 100 LF
Type A (Standard) 18" 24" ~180 sq in ~4.6
Type B (Heavy) 24" 24" ~220 sq in ~5.6
Type C (Light) 12" 18" ~110 sq in ~2.8
Rolled Curb 6" 12" ~70 sq in ~1.8
Valley Gutter (4') - 48" ~200 sq in ~5.1

Curb & Gutter Notes

  • Minimum concrete strength: typically 4,000 psi
  • Control joints: every 10 feet
  • Expansion joints at structures and every 100-200 ft
  • Minimum curing: 3-7 days before opening to traffic
  • Subgrade compaction: 95% Standard Proctor minimum
  • Form oil required for smooth finish