# Japanese Units of Measurement

> Japanese Units of Measurement (iPhone/iPad app by Systemiko Inc..)

- Source: https://appshunter.io/ios/app/japanese-units-of-measurement/id1495537188 (this page in markdown: same URL + `.md`)
- Developer: [Systemiko Inc.](https://appshunter.io/developer/680630947)
- Category: Utilities
- Price: $0.99
- Age rating: 4+
- Requires: iOS 18.2 · 2 MB
- Languages: English
- Released: 2020-01-29
- Data updated: 2026-08-12
- User reviews in markdown: https://appshunter.io/ios/app/japanese-units-of-measurement/id1495537188/reviews.md

## What is Japanese Units of Measurement?

This application allows you to convert traditional Japanese units that are still commonly used in Japan ( Tatami (Jo), Tsubo, Go, Sho, Sun, Shaku and Ken) to metric and to the US customary (standard) units.

Area
 畳 (jo, tatami) to square meters or square feet
坪 (tsubo) to square meters or square feet

Volume (fluid)
合 (go) to milliliters or the US fluid ounce 
升 (sho) to liters or the US galon

Length
寸 (sun) to centimeters or inches
尺 (shaku) to centimeters or inches
間 (ken)  to meters or foot

For Tatami you can choose between following types (sizes): Kyoma (京間), Chukyoma 中京間, Edoma (江戸間), Danchima (団地間) and minimum size of tatami (jo) that is defined by Japan’s Real Estate Fair Trade Council of Federation in the Fair Competition Code Concerning Labeling in Real Estate.

*Important notice: 
Use the information recoded or functionality provided in / or generated with this application only as a rough indication, rough estimates or as a rough guide. Even though we do our best to provide you with confirmed information and tried-and-tested features, the accuracy and successful operation and performance of the application are NOT GUARANTEED by us. Users are strongly advised to confirm the information of their interest with other sources and not to ultimately rely on functionality and performance of this application. This application is provided “as is” and with all faults. You bear the risk of using it. We shall not be responsible or liable for any loss or damage of any kind incurred as a result of the use of functions or the content of this application. By using this application you are agreeing to these terms. If you do not agree to these terms do not use this application.


## Version history (last 4 releases)

### 3.1 — 2026-05-31

Minor Bug Fix.

### 3.0 — 2026-05-19

Improved UI.
Minor Bug Fixes.

### 2.0 — 2023-03-19

Length conversion has been added.

### 1.0 — 2020-01-29

No release notes.

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All apps by Systemiko Inc.: https://appshunter.io/developer/680630947

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-12.*