SumiTool Calculator now available as App!

Our new SumiTool Calculator App handles the complex equations used for turning, milling, and drilling. Simply select the required item and enter the figures for automatic calculation. Scan the barcode shown above or open your Apple AppStore or Google Playstore and download the SumiTool Calculator under the keyword "SumiTool" or "Sumitomo" to your mobile device. We would be very pleased about a rating of our app.

Use our SumiTool Calculator to calculate the optimum machining parameters for turning, milling and drilling.


  • Calculation Function
  • Calculation results can be saved
  • Two results can be compared
  • Calculation and comparison results can be shared
  • Both metric and inch units are available
  • Select English or Japanese language

Functions of SumiTool Calculator


Information about the app is available. There is also a guide to links to the website and YouTube channel.


Customisation is possible, such as moving frequently used items to the top.


Calculation and comparison results can be shared with other apps or sent via mail or messages.


Calculation results can be saved within the app. Saved results can be confirmed and compared with storage.

Download SumiTool Calculator for iPhone on iTunes Apple store

Download SumiTool Calculator for Android on Google Play store

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