Slabs, Square Footings, or Walls

Volume: 0 cubic meters
Weight needed: 0 kg
Using 60-lb bags: 0 bags
Using 80-lb bags: 0 bags

Concrete Calculator

A concrete calculator helps you determine the amount of concrete needed for your construction project. Whether you’re pouring a slab, footings, columns, or stairs, this tool eliminates guesswork and helps you order the right amount of concrete. It’s essential for DIY enthusiasts and professional contractors alike to avoid over-ordering or under-ordering concrete.

Why Calculate Concrete Accurately?

Concrete is one of the most important building materials, and accurate calculations are crucial for structural integrity and cost management. Ordering too little concrete can delay your project and create weak points where fresh concrete meets hardened concrete. Ordering too much is wasteful and expensive since concrete has a limited working time before it begins to set.

Understanding Concrete Measurements

Concrete is typically measured by volume (cubic yards or cubic meters) and sometimes by weight. The density of concrete is approximately 2,400 kg/m³ (150 lb/ft³), which allows us to convert between volume and weight. Most ready-mix concrete companies charge by volume, so knowing the cubic yards or cubic meters needed is essential for budgeting your project accurately.