Chalk: Construction Calculator
Metric, Feet & Inches, Stairs
About
This construction calculator handles metric and imperial units seamlessly, offering specialized tools for various trades like framing, tiling, and concrete work. It features an AI advisor for job guidance and works offline, ensuring accessibility on any job site.
What's New in Chalk
1.0
July 20, 2026
Subscription plans
Chalk Pro Weekly
Unlock all pro calculators and saved projects
Developer apps
FAQ
Does Chalk have ads?
No, Chalk is ad-free. The app is designed to work fully offline without requiring a signal or an account, and it does not contain advertisements.
What is the pricing for Chalk Pro?
Chalk Pro unlocks all trade calculators and saved projects. Subscriptions renew automatically until cancelled. Specific pricing details for Chalk Pro are available within the app.
How often is Chalk updated?
Chalk was last updated on 2026-07-20 with version 1.0. Further update frequency information is not available, but the current release indicates a recent launch.
What devices does Chalk support?
Chalk is currently supported on iPhone devices. Information regarding Android or other platform compatibility is not provided.
What is the age rating for Chalk?
Chalk has an age rating of 4+. This indicates it is suitable for users of all ages, with no mature content.
How does Chalk handle unit conversions?
Chalk seamlessly handles both metric and imperial units, displaying results in both systems simultaneously. It features a purpose-built keypad for easy input of mixed units and fractions.
Can Chalk be used without an internet connection?
Yes, Chalk works fully offline. This means you can use all its calculator functions and features on any job site, regardless of signal availability.
What kind of trade calculators are included in Chalk?
Chalk includes specialized calculators for stairs, rafters, concrete, framing, drywall, tiling, brick & block, decking, board feet, equal spacing, aggregates, and running measurements.