Construction Math Calculators
Fast, accurate tools for concrete, framing, layout, and everyday jobsite math.
Construction math doesn’t need to be complicated. These calculators are built for real‑world use — quick inputs, clear results, and no classroom fluff. Whether you’re laying out forms, figuring slope, or checking measurements, these tools help you get it right the first time.
Concrete Yardage Calculator
Figure out how much concrete you need for slabs, footings, pads, and more.
Hypotenuse Calculator
Find diagonal measurements fast for squaring forms, layout, and pipe runs.
Slope Calculator
Calculate rise, run, and slope percentages for drainage, ramps, and grading.
Related Guides
How to Calculate Concrete Yardage Learn the simple formula for figuring out how much concrete you need for any slab, pad, or project.
How to Calculate the Hypotenuse Learn the simple formula for finding the longest side of a right triangle and how it applies to layout, diagonals, and squaring forms.
How to Calculate Slope (Rise, Run & Percent Grade) Understand how slope works, how to convert it to percent grade, and how to use it for drainage, pipe work, and layout.
Start Here: Concrete Tools & Guides – Your main resource hub for tools, materials, and techniques used in every repair project.