1,000 - 5,000 downloads

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Please uninstall the old Interpolator and download / install the new version (InterpolatorS) instead (Link: The old version will not be updated anymore.

This is a small free app by MMC (Mooring Marine Consultancy) which makes it very easy to lookup values in tables (math etc) when you have to interpolate both in two and in three rows. No more need for a calculator to interpolate manually. This app will always be free of charge and was designed primarily for cargo surveyors working with tank calibration tables, but the app does have its application in any environment where tables are used.

Can run on any android device, but was designed for use with smartphones, and the graphics have not been optimized for use with tablets, although it works fine there too. With the latest version, users can set the orientation to either landscape, portrait or rotate with the phone.

If you have any request for additions / improvements, please post them in comments and I will follow up as much as possible.
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Now also available in the Apple appstore:

Tags: interpolators.

Recently changed in this version

Version 1.0.8: Screen orientation can be changed to portrait, landscape or rotate with phone, and will be saved in settings.
Version 1.0.6: Settings page added, now you can set the number of decimals between 1 and 4
Version 1.0.5: Clear button added for both tabs, to clear all fields in one go. About screen added.
Version 1.0.4:
Completely revamped interface with coloured buttons and textured background.

Last activity on InterpolatorS
Comments and ratings for InterpolatorS
  • (48 stars)

    by Elmar B. Lumayog on 17/04/2014

    Useful. Thanks.

  • (48 stars)

    by Liviu Alexandru Dodu on 17/04/2014


  • (48 stars)

    by RayMonD Teo on 04/09/2013

    Excellent for finding values in between other factors

  • (48 stars)

    by Ron Mooring on 04/09/2013

    Makes look up of table values so easy