Construction Calculations,Made Simple.
CornerSpan is a practical collection of construction calculators built to make everyday material estimation and measurement easier.
Practical tools for real projects
Construction calculations can often involve measurements, formulas and material estimates. CornerSpan brings common calculations together in simple, easy-to-use tools.
Whether you are estimating concrete, bricks, steel, paint, tiles or other materials, our goal is to help you get a useful estimate without unnecessary complexity.
Simple first. Useful always.
Easy to understand
Clear inputs and straightforward results.
Built for everyday use
Designed for contractors, builders and homeowners.
Mobile friendly
Use CornerSpan wherever your project takes you.
Who Uses CornerSpan?
Useful construction tools for different types of users.
Contractors
Builders
Engineers
Homeowners
Make construction estimation easier for everyone.
We are building CornerSpan as a growing library of practical calculators, guides and tools that help people make faster, better-informed construction estimates.
Explore Calculators →