ArchMM
Scale & Carpenter Calculator
About
This app provides specialized calculation tools for architectural scales, model making, and carpentry. It handles measurements in feet, inches, and fractions, converting them for various design and building projects. Features include board feet calculation, stair layout assistance, and rafter geometry.
What's New in ArchMM
1.1.0
October 12, 2026
ArchMM now brings three calculators into one focused workspace. • New Carpenter calculator with feet, inches, fractions, arithmetic, memory, and recent calculations. • New Scale to Inches mode with changeable architectural scales. • New Board Feet, Stair Layout, and Common Rafter project tools. • A more prominent Model scale control for 3D-printing conversions. • Updated app-family design and icon. • Updated website, support, and privacy links.
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FAQ
What is ArchMM used for?
ArchMM is a specialized calculator designed for architectural scales, model making, and carpentry. It helps users convert measurements in feet, inches, and fractions for projects like 3D printing, model building, and construction.
Does ArchMM work offline?
Yes, ArchMM performs all calculations on-device and does not require an internet connection, making it fully functional offline.
What scales does ArchMM support?
ArchMM supports common architectural scales and a 1:1 scale. Users can convert full-size measurements to model millimeters or scale down to inches, and change the drawing scale at any time.
Can ArchMM calculate board feet?
Yes, ArchMM includes project tools that can calculate board feet, assist with stair layouts, and determine common-rafter geometry. These are estimates for design purposes.
Is ArchMM free to use?
Yes, ArchMM is available for free. The app is developed by Brandon Davis and is offered without any cost to users.
Does ArchMM have ads?
No, ArchMM is ad-free. The app is designed for everyday work and does not include advertisements, analytics, or tracking.
What devices is ArchMM available on?
ArchMM is available on macOS and iPhone. It was last updated on October 12, 2026, with version 1.1.0.
What is the age rating for ArchMM?
ArchMM has an age rating of 4+. This indicates it is suitable for children and general audiences.
