From this site

One project, every trade

Each calculator adds its lines to a single estimate — consolidated BOM, schedule and cash-flow included.

Open My Project →

Continuous Footing / Grade Beam Volume Calculator

Estimate the concrete volume needed for a continuous strip footing or grade beam.

Computed in your browser — nothing you enter is uploaded. Figures are presented for United States against IRC 2024, and every formula is cited under regulatory standards below.

Last verified 2026-08-26 · v1.0.0

Market
Imperial · sales tax
65.62 ft1.97 ft1.31 ft
Schematic, drawn to the proportions you entered — not to scale on screen.
Who is doing the work?

Waste is set to 5% by hand. Pick a tier above to replace it, or keep your own figure.

Concrete volume needed

6.59 yd³

High confidence
Base volume (no waste)
6.28 yd³
Equivalent in cubic yards
6.59 yd³

At the values currently entered, the concrete volume needed works out to 5.04 m³. The largest intermediate quantity is base volume (no waste), at 4.80 m³ — check that step first if the total looks off. Figures are shown for United States, where IRC 2024 is the governing residential reference; switch the market above if you are building elsewhere.

Estimated cost — your price

This site holds no price list for this material — local prices vary too much to publish honestly. Enter your supplier's price and the result is costed with it.

Preliminary estimate, not certified engineering. This tool produces an indicative quantity calculation for planning purposes only — it is not a certified structural analysis, a guaranteed material takeoff, or a substitute for building department approval. Always verify measurements on-site and have a licensed contractor or structural engineer review any load-bearing, code-sensitive, or safety-critical work before purchasing materials or starting construction. Spotted an arithmetic or standards error? Report it to contact@craftquantities.com with your inputs — confirmed fixes become pinned regression tests.

[Schema Verified] Computed in alignment with American Concrete Institute (ACI 318-19) formulas and International Residential Code (IRC 2024) spatial boundaries.

Regulatory standards & verification citations

  • Concrete volume = length x width x depth, the standard geometric formula for a continuous rectangular-section footing or grade beam

Your workspace

Most jobs need more than one number. Add the calculators you need next and they open right here, underneath this one — your figures stay on screen and nothing is lost to a page change.

Frequently asked questions

What's the difference between a footing and a grade beam?
A footing directly bears on soil; a grade beam typically spans between piers or piles and doesn't rely on continuous soil bearing — geometrically they're calculated the same way.
Does this include rebar?
No — see the Rebar Calculator or the Concrete Slab + Rebar Combined Mass Calculator for reinforcement.