SlabCalc
SlabCalc
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Trusted by 10,000+ Contractors & DIYers

Professional Construction
Calculators

Free, accurate calculations for concrete, gravel, rebar, and more. Get instant material estimates and cost breakdowns.
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Instant Results

100% Free

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Why Choose SlabCalc?

Professional-grade construction calculators trusted by contractors and DIY enthusiasts nationwide

Lightning Fast

Get accurate calculations instantly. No signup required, completely free.

Cost Estimates

See estimated material costs based on current market prices.

Professional Results

Print or save results for your records and contractor discussions.

Save Time & Money on Every Project

Our calculators help you order the right amount of materials every time. No more over-ordering and wasting money, or under-ordering and delaying your project.

95%

Accuracy Rate

$500+

Avg. Savings per Project

5 min

Average Calculation Time

Popular Calculators

Start with our most-used tools

Concrete Slab

Calculate concrete for slabs, patios, and floors

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How It Works

From calculation to project completion in three simple steps
1

Choose Your Calculator

Select from our suite of professional calculators designed for concrete, gravel, rebar, and more.

2

Enter Your Dimensions

Input your project measurements with our easy-to-use interface. Switch between imperial and metric units seamlessly.

3

Get Instant Results

Receive instant, accurate calculations with detailed material quantities and cost estimates for your project.

Ready to Start Your Project?

Get accurate material calculations and cost estimates in minutes. All calculators are 100% free with no signup required.
Start Calculating Now

• Instant Results

• 100% Free

• No Signup Required

What Our Users Say

Trusted by thousands of professionals and homeowners
"SlabCalc saved me hours of manual calculations. Highly recommend for any contractor!"
Mike R.

General Contractor

"The cost estimates are incredibly accurate. Helps me budget my DIY projects perfectly."
Sarah T.

Homeowner

"Simple, fast, and reliable. I use it for every concrete job now."
James L.

Concrete Contractor

Recent Articles

Tips, guides, and best practices for your construction projects
Guides

How Much Concrete Do I Need for a 10x10 Slab?

Complete guide to calculating concrete for a 10x10 slab including thickness recommendations and cost estimates...

📅 June 15, 2025
⏱️ 6 min read
concrete
slab
diy
calculations
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Start Planning Your Project Today

Free, accurate construction calculators for all your building needs
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