Concrete Calculator

Project Details

Select Shape: Slab / Rectangle / Footing Round Column / Pier / Post Hole Rectangular / Square Column Wall / Curb

Units: Feet & Inches Meters & Centimeters

Slab / Rectangle Dimensions

Length (ft):

Width (ft):

Thickness (in):

Quantity:

Round Column / Pier Dimensions

Diameter (in):

Height (ft):

Quantity:

Rectangular Column Dimensions

Width (in):

Depth (in):

Height (ft):

Quantity:

Wall / Curb Dimensions

Length (ft):

Height (ft):

Thickness (in):

Quantity:

Bag Estimation (Optional)

Pre-mix Bag Size: Do not estimate bags 40 lb (yield ~0.30 cu ft) 50 lb (yield ~0.375 cu ft) 60 lb (yield ~0.45 cu ft) 80 lb (yield ~0.60 cu ft) 90 lb (yield ~0.67 cu ft)

Custom Bag Yield (cu ft): Overrides dropdown if filled.

Estimated Concrete Volume

Volume in Cubic Feet: 0.00 cu ft

Volume in Cubic Yards: 0.00 cu yd

Estimated Bags Needed: 0 bags

Note: This is an estimate. Always add a small percentage (5-10%) for waste and spillage. Bag yields are approximate.

The Concrete Calculator is a simple and useful online tool that helps you estimate the volume of concrete you need for any construction project. Whether you are pouring a slab, footing, column, or wall, this tool provides an accurate result in cubic feet, cubic yards, or cubic meters.

What is a Concrete Calculator?

This calculator helps estimate the total amount of concrete required based on the dimensions of your structure. Instead of guessing or overbuying, this tool provides an exact value, saving both time and cost.

How to Use the Concrete Calculator

1. Choose the shape of your structure (slab, column, footing, etc.).
2. Enter the dimensions:
   • Length (in feet or meters)
   • Width (in feet or meters)
   • Depth or Height (in inches or meters)
3. Click "Calculate" to get the volume in your preferred unit.

Example Calculation

Suppose you want to pour a rectangular concrete slab that is:

• 10 feet long
• 8 feet wide
• 4 inches deep

Volume = (10 × 8 × 0.333) = 26.64 cubic feet

Since 1 cubic yard = 27 cubic feet, you'll need approximately 1 cubic yard of concrete.

Why Use This Calculator?

• Fast & Accurate: Get reliable volume estimates instantly.
• Avoid Waste: Prevent overordering or underordering cement.
• Project Planning: Useful for construction budgeting and delivery planning.

Who Can Use This Tool?

• Homeowners planning concrete driveways or patios
• Contractors working on slabs or foundations
• Builders needing exact material estimates

Final Thoughts

Planning ahead with a Concrete Calculator makes your construction process smoother and more cost-efficient. This tool gives you quick and clear results for any shape or type of concrete pour. Try it today before starting your next concrete job!