Great construction calculator
Does the job! And more importantly no subscriptions!
Free
In-App Purchases
About
This app simplifies complex construction calculations by handling feet, inches, and fractions accurately. It offers specialized solvers for common jobsite tasks like stairs, roof pitch, and concrete, with results saved automatically for easy recall. It's designed for offline use and provides a one-time purchase for full access.
✓Exact fraction math for feet and inches
✓Ten jobsite solvers (stairs, roof pitch, etc.)
✓Automatic result saving and naming
✓Offline functionality
✓One-time purchase, no subscription
✓Conversions to yards, meters, mm, board feet
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What's New in Sixteenths
1.1.1
August 11, 2026
Improvements to the free trial experience.
1
In-App Purchases
$39.99
Sixteenths Pro
Every jobsite solver. Pay once, yours forever.
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FAQ
Does Sixteenths have ads?
No, Sixteenths is ad-free. The app explicitly states 'no ads, no tracking' and offers a one-time purchase for full functionality.
How much does Sixteenths cost?
Sixteenths offers a 7-day free trial. After the trial, a one-time purchase of $39.99 unlocks the full app and all future solvers. There are no subscriptions.
What devices does Sixteenths support?
Based on the provided data, Sixteenths is currently supported on iPhone. It is designed for the iOS platform.
Can I use Sixteenths offline?
Yes, Sixteenths is built for the jobsite and works fully offline. This means you can use it in areas with no internet coverage, such as basements or remote locations.
How often is Sixteenths updated?
The app was last updated on August 11, 2026, with version 1.1.1. This indicates a recent update, suggesting ongoing development and support.
What is the age rating for Sixteenths?
Sixteenths has an age rating of 4+. This indicates it is suitable for children and adults, with no mature content.
How does Sixteenths handle fractions compared to other calculators?
Sixteenths handles feet, inches, and fractions as first-class keys, ensuring every value remains a true fraction without rounding errors. This is crucial for precise construction work, unlike standard phone calculators that may convert to decimals and introduce inaccuracies.
What kind of jobsite solvers does Sixteenths include?
Sixteenths includes ten specialized solvers for tasks such as stairs (risers, treads, stringer), roof pitch, hip and jacks, concrete calculations, balusters, circles, compound miters, materials, and board feet.