Great Resource!
This is a great resource! Very well done and the price is right!
Response from developer
Thanks for the positive feedback!
Free
About
Instantly convert between common visual acuity measurements. This tool is designed for eye care professionals needing to fluidly switch between Snellen, Decimal, logMAR, and ETDRS Letter formats. Get accurate conversions with a single tap.
✓Instant visual acuity conversions
✓Supports Snellen 20/20
✓Supports Snellen 6/6
✓Supports Decimal
✓Supports logMAR
✓Supports ETDRS Letters
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What's New in Calculate VA
3.1
December 2, 2025
App has been updated to a fresher interface, with easier to use inputs. App will also now remember your inputs from last session. NEW Dark Mode support in version 3.1
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FAQ
What visual acuity formats does Calculate VA support?
Calculate VA supports conversions between Snellen 20/20, Snellen 6/6, Decimal, logMAR, and ETDRS Letters. This comprehensive range ensures you can work with all common measures.
Is Calculate VA free to use?
Yes, Calculate VA is completely free to download and use. There are no hidden costs or in-app purchases required.
Does Calculate VA have ads?
No, Calculate VA is ad-free. You can perform your calculations without any interruptions from advertisements.
What devices is Calculate VA available on?
Calculate VA is available for both iPhone and iPad. This allows eye care professionals to use it on their preferred Apple devices.
How often is Calculate VA updated?
The latest version, 3.1, was last updated on December 2, 2025. This indicates ongoing support and potential for future improvements.
What is the age rating for Calculate VA?
Calculate VA has an age rating of 12+. This means it is suitable for users aged 12 and older.
How accurate are the conversions in Calculate VA?
The app is designed to provide quick and accurate conversions between common visual acuity measures. Users have rated it highly, with an average of 5.0 stars from 3 ratings.
Who developed Calculate VA?
Calculate VA was developed by David Kramer. The app was first released on August 19, 2018.
