Linear Feet, Profile, and Quote Scope

Concrete Curb Calculator

Estimate concrete for curb, curb and gutter, rolled curb, and driveway apron edge work. Enter linear feet and profile dimensions to calculate cubic yards, bags, ready-mix material cost, and cost per linear foot before you compare a contractor quote.

Linear Feet
Handles one or more matching curb runs by measured length.
Profile Area
Converts curb and gutter dimensions into cross-section area.
Quote Check
Normalizes material and installed quotes per linear foot.

Quick answer

A 100 ft curb and gutter run with a 6 in by 6 in curb and an 18 in by 6 in gutter needs about 4.07 yd3 with 10% waste. At $165 per yd3 plus a $150 delivery or short-load fee, the material-only ready-mix check is about $8.22 per linear foot. Installed quotes can be much higher because they may include removal, forms, drainage, permits, traffic control, access, and cleanup.

Enter Curb and Gutter Dimensions

Profile preview

Curb area: 0.2500 ft2Gutter area: 0.7500 ft2Gross volume: 3.7037 yd3

Ready-mix material check

$822.22 total, $8.22/ft

Bagged material check

$920.00 total, 184 bags

Installed quote normalization

$65.00/ft

Results

Live estimate
Concrete Volume

4.0741 yd³

110 ft³ / 3.1148

Bags Needed

184 bags

Rounded up to whole bags

Estimated Cost

$822.22

Based on bag price

Waste Factor

10%

Included in total volume

Concrete estimate in yards

Your 4.0741 yd3 estimate is about 184 bags after waste. Use the yard number to choose the buying path before you order.

Ready-mix or quote-review zone

At this volume, review ready-mix delivery or a contractor quote for PSI, slump, minimum billable yards, chute reach, pump or buggy needs, and waiting-time rules.

Next quote checks

Use this volume to compare ready-mix delivery, bagged concrete, delivery fees, short-load charges, and quote gaps before ordering.

Save this estimate for supplier calls, then export a PDF quote check when you need a shareable record.

Formula

Curb and gutter cross-section

Cross-section = curb width x curb height + gutter width x gutter thicknessCross-section = 0.2500 + 0.7500 = 1.0000

Gross curb volume

Gross volume = linear length x cross-section x matching runsGross = 100 x 1.0000 x 1 =100.0000 ft3 (3.7037 yd3)

Waste, bags, and linear-foot check

Final volume = gross volume x (1 + 10% / 100)Material per linear foot = ready-mix material + fixed fees / total linear feet

Use the linear-foot number as a quote check

The installed quote can include excavation, saw cutting, forms, traffic control, permits, cleanup, and warranty language, so it will usually be higher than material-only concrete cost.

Example Curb Estimates

100 ft curb and gutter

6 in x 6 in curb plus 18 in x 6 in gutter with 10% waste.

Result: 4.0741 yd3 / 184 bags / $8.22 per ft ready-mix check

60 ft vertical curb

6 in wide x 12 in high curb-only profile.

Result: 1.2222 yd3 / 55 bags / $5.86 per ft ready-mix check

Driveway apron edge

24 ft transition with an 8 in curb and 24 in gutter apron.

Result: 1.3037 yd3 / 59 bags / $15.21 per ft ready-mix check

Measuring Notes

  • Measure curb-only, curb-and-gutter, driveway transitions, and returns separately when profiles change.
  • Use a rectangular profile as a planning check for rolled or irregular curbs, then confirm the true section.
  • Add gutter width and thickness only when that concrete is poured with the curb.
  • Keep material-only cost separate from removal, forms, traffic control, permit, and finish scope.

Before You Approve a Curb Quote

  • Confirm whether the quoted linear feet include returns, radii, curb cuts, and driveway apron transitions.
  • Ask whether saw cutting, demolition, haul-off, and disposal are included.
  • Compare forms, finish, drainage, right-of-way permits, and traffic control line by line.
  • Check truck access, chute reach, pump, buggy, wait time, and washout fees before ordering.

Curb Linear-Foot Quote Scope Checklist

ScopeWhy it mattersAsk before signing
Profile dimensionsA 6 x 6 curb is a very different material check from a curb and gutter section.Does the quote list curb height, curb width, gutter width, and gutter thickness?
Linear feet and returnsEnd returns, radii, driveway transitions, and short tie-ins can add formwork.Are returns, radii, driveway aprons, and curb cuts included in the measured length?
Removal and saw cuttingExisting curb, asphalt, sidewalk, or driveway edges can drive the installed price.Are saw cutting, demolition, loading, haul-off, and disposal included?
Forms and finishCurb profiles usually need more forming and edge work than flat slabs.Are forms, stakes, stripping, edging, finish, and cleanup written down?
Drainage and slopeGutter lines, inlets, low spots, and driveway transitions can change layout.Who is responsible for slope, drainage tie-ins, and inspection corrections?
Access and traffic controlStreet-side work may need cones, staging, pump or buggy placement, and cleanup.Does the number include access limits, traffic control, wait time, washout, and site protection?
Permit or right-of-wayAprons, public sidewalks, and curb cuts may require local approval.Who handles permits, inspection scheduling, public right-of-way rules, and corrections?

Curb Buying and Quote Guide

Use this concrete curb calculator for the material check, then normalize the installed bid by linear foot. A curb quote can change quickly when it includes removal, forms, drainage, traffic control, right-of-way permits, driveway apron tie-ins, cleanup, and warranty language.

For cost context, read the concrete curb and gutter cost guide. For bid review, use the curb and gutter contractor quote checklist and the concrete quote reviewer. If the material quantity is high, compare bags against delivery in the ready-mix vs bags calculator.

Frequently Asked Questions

How do I calculate concrete for a curb and gutter?
Convert the curb and gutter profile to square feet of cross-section, multiply by total linear feet, then divide cubic feet by 27 for cubic yards. Add waste before ordering concrete.
Does this calculator work for curb-only profiles?
Yes. Set the gutter width and gutter thickness to zero when the pour is curb only. For rolled or irregular profiles, use the closest rectangular planning profile and confirm the real section with the contractor.
Why compare cost per linear foot?
Curb work is often quoted by linear foot. Material-only cost per foot helps you compare the concrete order with an installed quote that may include removal, forms, traffic control, drainage, permits, and cleanup.
Should I use bags or ready-mix for curb work?
Short curb runs may be possible with bags, but long runs and curb-and-gutter profiles usually need ready-mix because placement speed, finish timing, and delivery access matter.
Does this replace right-of-way or permit review?
No. This is a planning calculator for material volume and quote comparison only. Confirm permits, inspections, accessibility, drainage, traffic control, and public right-of-way requirements with qualified local professionals.

Move to the calculator that matches your next estimating step.

Disclaimer: This concrete curb calculator estimates material volume only. It does not verify roadway, drainage, accessibility, right-of-way, permit, traffic-control, inspection, structural, or code requirements. Confirm curb, gutter, driveway apron, and public sidewalk work with qualified local professionals.