Calculate VA
Calculator for Visual Acuity
Free · Designed for iPad. Not verified for macOS.
Calculate VA gives you a quick and accurate way to easily convert between common measures of visual acuity. Conversions are made instantly when you enter one of the visual acuity measurements and press "Calculate". Choose from:
* Snellen 20
* Snellen 6
* Decimal
* logMAR
* ETDRS Letters
This is useful for any optometrist or ophthalmologist who needs to convert fluidly between all 5 of the common visual acuity measures.
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
The developer, David Kramer, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Not Collected
The developer does not collect any data from this app.
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- David Kramer
- Size
- 662.5 KB
- Category
- Medical
- Compatibility
Requires iOS 16.6 or later.
- iPhone
Requires iOS 16.6 or later. - iPad
Requires iPadOS 16.6 or later. - Mac
Requires macOS 13.5 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 1.0 or later.
- iPhone
- Languages
- English
- Age Rating
13+
- 13+
- Infrequent
Medical Treatment information
- Copyright
- © 2025 David Kramer