SM Offset: Duct Calculator
Sheet metal & pipe offsets
About
This utility app provides precise offset calculations for sheet metal workers, HVAC fabricators, and pipefitters. It offers real tape-measure fractions for cut lengths, arc lengths, and elbow centerlines, working entirely offline for jobsite reliability.
What's New in SM Offset
1.4.0
October 24, 2026
Send a result to a coworker: tap Share under any offset and it goes out as a text with every size and cut length. Also new: a "Rate Offset" row in Settings. If Offset has saved you a trip to the brake, a rating helps other tradespeople find it.
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FAQ
What types of offsets can SM Offset calculate?
SM Offset calculates two-elbow offsets, rolling offsets, and duct fitting offsets. It provides cut length, arc lengths, elbow centerline, and total offset length for various scenarios.
Does SM Offset work offline?
Yes, SM Offset is designed to work 100% offline, making it ideal for job sites with no signal.
What devices does SM Offset support?
SM Offset is available for iPhone and iPod devices.
What is the age rating for SM Offset?
SM Offset has an age rating of 4+, making it suitable for a wide range of users.
How often is SM Offset updated?
The latest version, 1.3.0, was released on September 28, 2026, indicating recent development and support.
Does SM Offset have ads?
Yes, SM Offset contains advertisements.
What is the user rating for SM Offset?
SM Offset has a perfect rating of 5.0 stars based on one review.
What is the price of SM Offset?
SM Offset is available for free.
