With the TallyTrak app (used with InstaCaliper), you can record measurements using metric (millimeter, centimeter, meter) or English (inches, feet) units.

NOTE: If you change from standard measurement to metric measurement or vice versa, you MUST make sure that the General Setting on the web portal matches.

Measurement Setting on Web Portal

Determine whether you will be measuring using the metric system or the English (standard) system. 

  • On the web portal, go to Manage --> Settings. The General Settings screen will appear.

General Settings box with Units - Length information surrounded in red box

  • Set "Units - Length" to "mm" or "in"
  • Click Save

Measurement Setting on App:

  •  Tap the "Config" icon at the bottom of the screen.
  • The "Config" box will appear. Under "Unit," change the measurement to the measurement unit desired: 
    1. Metric: Millimeter, Centimeter, Meter
    2. Standard: Inch, Foot
  • The measurement you have chosen should appear on the Sort and Measure screens of the app.

If you need help changing measurement units, please contact 2nd Sight at 509-381-2112 or This email address is being protected from spambots. You need JavaScript enabled to view it..

If you have any questions or need assistance, please contact 2nd Sight at 509-381-2112 or info@2ndsightbio.com