Model Scale Calculator
HO, N, O, 1:35, 28mm & more
About
Easily convert real-world dimensions to model sizes and vice versa across numerous scales. Supports various input formats and offers a comparative view across multiple hobby groups. Works offline with no account or ads.
What's New in Model Scale Calculator
1.0
August 26, 2026
Developer apps
FAQ
What scales does Model Scale Calculator support?
Model Scale Calculator supports a wide range of scales including model railways (Z, N, HO, O), military and armour (1:16, 1:35, 1:72), aircraft (1:32, 1:48), cars (1:18, 1:43), tabletop gaming (15mm, 28mm), architecture (1:50), and custom ratios. It also handles imperial drawing scales like 1/4" = 1'.
Can Model Scale Calculator convert between different units?
Yes, Model Scale Calculator is designed to parse and output dimensions in units hobbyists commonly use, including millimeters, centimeters, feet and inches, and fractional inches. It prioritizes fractional inches and feet-and-inches as output formats.
Does Model Scale Calculator work offline?
Yes, Model Scale Calculator works completely offline. All calculations are performed on your device, and no account, sign-in, or internet connection is required for its core functionality.
How does Model Scale Calculator compare scales?
It offers a unique 'Compare Across Scales' view. This feature takes one measurement and displays it across an entire hobby group (like model railways or miniatures) with a proportional bar for each scale, allowing for easy visual size judgment.
Is Model Scale Calculator free to use?
Yes, Model Scale Calculator is free to download and use. The description explicitly states 'Free, offline, no account, no ads,' indicating no cost to the user.
Does Model Scale Calculator have ads?
No, Model Scale Calculator does not have ads. The description clearly states 'no advertising,' ensuring an uninterrupted user experience.
What is the age rating for Model Scale Calculator?
Model Scale Calculator has an age rating of 4+. This indicates it is suitable for children aged four and older, with no mature content.
How often is Model Scale Calculator updated?
The provided data indicates the latest version is 1.0, released on 2026-08-26, with the last update also on 2026-08-26. This suggests it is a new release and further updates will likely follow.
