Rebar Calculator

Calculate rebar requirements for concrete slabs, foundations, and structures. Get accurate estimates for rebar quantity, weight, and costs.

✓ 100% Free • No Signup Required • Unlimited Use

🏠For Homeowners: Get a quick cost range with just a few measurements. Perfect for budgeting and comparing contractor quotes.

Quick Mode: Get a fast estimate with basic dimensions. Perfect for homeowners and initial budgeting.

feet
Length of concrete slab
feet
Width of concrete slab
inches
Slab thickness affects rebar size/spacing
Larger rebar for heavier loads

* Budget Planning Guide: These budget ranges are based on generalized industry data and may vary based on location, material quality, and local market conditions. Always obtain written bids from licensed contractors before making financial decisions.