Browse ready-made footing size pages for common rectangular and round footings. Compare volume, ready-mix totals, and bag estimates, then use the calculator only when your footing dimensions or count need custom changes.
Open the calculator when you need to change footing count, custom dimensions, or waste assumptions beyond the ready-made size pages.
Footing Calculator → All Project Pages → Guides Hub →Use this hub to browse common footing sizes, compare concrete volume quickly, and open ready-made pages that estimate cubic feet, cubic yards, and bag counts for each footing. It is built for fast planning when you want a size-based estimate without starting from scratch.
If you already know the footing dimensions, open the closest matching size page. If you need to adjust dimensions, footing count, or waste allowance, move to the footing calculator for a custom estimate.
Select a common footing size to filter pages instantly.
Volume and bag counts for a 10 inch round footing 24 deep. Exact volume 1.0908 cu ft (0.0404 yd3) and planning numbers with 10% waste plus 40/60/80-lb bag counts.
Estimate concrete for a 10" round sonotube footing 36" deep: exact volume 1.6362 cu ft (0.0606 yd³), plus planning numbers with 10% waste and bag counts for 40-, 60-, and 80-lb mixes.
Exact cubic feet, cubic yards, and both exact and waste-adjusted bag counts for a 10" diameter × 48" deep Sonotube footing. Includes a 10% waste allowance for ordering.
Estimate concrete and bag counts for a 12-inch diameter, 24-inch deep round footing. Exact volume, a 10% waste plan, and 40/60/80-lb bag totals are provided for quick ordering.
Estimate for a 12" diameter × 36" deep round Sonotube footing: exact volume 2.3562 cu ft (0.0873 yd³), exact bag counts, and planning quantities with 10% waste.
Exact volume and bag counts for a 12" diameter by 48" deep Sonotube-style footing: 3.1416 cu ft (0.1164 yd³). Includes planning numbers with a 10% waste allowance and bag totals.
Concrete needed for a 14-inch round footing 24 inches deep: exact volume, cubic yards, and bag counts plus a 10% waste planning total for ordering.
Exact quantities for a 14-inch diameter, 36-inch deep Sonotube footing — 3.207 cu ft (0.1188 yd³), plus 10% waste planning and bag counts for 40-, 60-, and 80-lb mixes.
Exact and waste-adjusted quantities for a 14" round Sonotube footing 48" deep: cubic feet, cubic yards, and how many 40-, 60-, and 80-lb bags to buy.
Exact volume, cubic yards, and bag counts for a 16" diameter × 24" deep round footing. Includes exact material needed and a 10% waste-adjusted planning total for bagged concrete.
Exact volume and bag counts for a 16-inch round Sonotube footing 36 inches deep. See cubic feet, cubic yards, exact bags, and a 10% planning allowance.
Volume and bag estimates for a 16" diameter, 48" deep Sonotube-style footing: exact volume, 10% waste planning volume, and bag counts for 40-, 60-, and 80-lb mixes.
Exact and planning quantities for a 20" round Sonotube footing 24" deep: volume in cu ft and yd3, exact bag counts, and waste-adjusted planning counts for ordering.
Exact and planning volumes (10% waste) plus bag counts for a 20" diameter × 36" deep round footing. Includes single‑footing numbers and an example total for multiple footings.
Exact and planning quantities for a 22-inch diameter by 24-inch deep round footing: 5.2796 cu ft (0.1955 yd³), exact bag counts, and 10% waste-adjusted ordering numbers.
Exact and planning quantities for a 22" round footing 36" deep: 7.9194 cu ft (0.2933 yd³), exact bag counts, and waste-adjusted totals for ordering materials.
Exact volume, cubic yards, and bag counts for a 22-inch round footing poured 48 inches deep, with a 10% planning allowance and quick planning notes for single or multiple pours.
Exact material numbers for a 24" diameter by 24" deep round Sonotube footing: 6.2832 cu ft (0.2327 cu yd) and bag planning with a 10% waste allowance included.
Quick planning numbers for a 24" round Sonotube footing 36" deep: exact volume, waste-adjusted volume, and bag counts for 40/60/80 lb mixes.
Exact volume and bag counts for a 24" round sonotube footing 48" deep. Includes 12.5664 cu ft (0.4654 yd³), exact bag counts, and a 10% waste planning total.
Estimate concrete for a 30-inch diameter Sonotube footing 24 inches deep: exact volume, cubic yards, and bag counts both exact and with a 10% waste allowance.
Exact and planning estimates for a 30" round Sonotube footing 36" deep: 14.7262 cu ft (0.5454 yd3) exact, plus bag counts and a 10% waste planning total.
Exact volumes and bag numbers for a 30-inch diameter sonotube footing 48 inches deep: 19.635 cu ft (0.7272 yd³) plus 10% waste planning counts for 40/60/80-lb bags.
Exact and waste-adjusted quantities for a 36" diameter by 24" deep round footing — cubic feet, cubic yards, and bag counts for 40 lb, 60 lb, and 80 lb mixes.
A footing page gives you a ready-made estimate for a common footing size, while the footing calculator is better when you need to change dimensions, footing count, or waste assumptions.
No. They are planning estimates. Final material needs can change with excavation shape, overdig, soil conditions, and the actual bag yield printed on the concrete mix you buy.
Bagged concrete often makes sense for one or a few smaller footings. As the number of footings and total volume rise, ready-mix may become more practical for labor, consistency, and total time.
The pages are designed for planning. You should still review the final total and add a sensible waste allowance based on excavation variation, spillage, and site conditions before ordering concrete.
Yes. They are useful as quick planning pages for common residential footing sizes, but final footing dimensions and depth still need to match the structural load, soil conditions, frost depth, and local code.
