Quikrete Bag Calculator - How Many Quikrete Bags Do I Need?

Free Quikrete calculator to instantly estimate how many Quikrete bags (40lb, 60lb, 80lb) you need for slabs, footings, posts, and concrete projects.

1. Enter Dimensions

Select your unit system and shape.

2. Required Quikrete Bags

Your results will appear here.

Enter dimensions and press Calculate.

Quick Quikrete Reference Guide

Common Project Examples

Small patio (8'×8'×4") 48 × 60lb bags
Fence post hole (1'×1'×2') 5 × 60lb bags
Sidewalk section (10'×3'×4") 27 × 60lb bags

Quikrete Bag Specifications

40 lb bag yield 0.30 cubic feet
60 lb bag yield 0.45 cubic feet
80 lb bag yield 0.60 cubic feet

💡 Pro Tip: Always buy 5-10% extra bags to account for spillage and waste.

About Quikrete Bags

Quikrete is a leading brand of pre-mixed concrete. Their bags come in standard sizes (40lb, 60lb, 80lb), each yielding a specific volume of mixed concrete. This calculator helps you estimate exactly how many bags you need for your project.

Always buy a little extra to account for spillage and variations.