Custom Unit Converter - MyUnit

For Engineers | Flow, Pressure

Free · In‑App Purchases · Designed for iPad. Not verified for macOS.

Advanced unit converter. Add custom categories and units, create formulas with multi-step calculations (× ÷ + − ^).  Ideal for engineering and everyday conversions. MyUnit is a flexible unit conversion app that lets you freely add your own categories and units. In addition to standard conversions such as length, area, volume, temperature, weight, and speed, MyUnit also supports specialized units used in engineering, science, research, and business, including flow rate, pressure, vacuum, energy, power, force, resistance, frequency, and more. Many unit conversion apps only support pre-installed units. This can be inconvenient when the unit you need is missing or when the app does not fit your workflow. MyUnit solves this by allowing you to create your own categories and add the units you need. For example, you can create categories such as Pressure, Flow Rate, Temperature, or Vacuum, and register units such as Pa, psi, sccm, slpm, Torr, and more. MyUnit also supports multi-step calculations. In addition to simple multiplication-based conversion, you can create flexible conversion rules using ×, ÷, +, −, and ^. This makes it easier to handle conversions that cannot be expressed with only one simple factor. If you often calculate special formulas manually, MyUnit can help you save time. With this update, MyUnit now supports CSV export. You can export registered categories, units, and conversion data in CSV format. This makes it easier to check, organize, record, and share the data you created in the app. CSV export is useful for reviewing unit lists in spreadsheet software, organizing conversion rules, keeping research or work records, sharing data, and creating documents. Main Features 1. Add categories and units freely Create your own categories and register the units you need. 2. Multi-step calculations Create custom conversion rules using ×, ÷, +, −, and ^. 3. CSV export Export registered categories, units, and conversion data as CSV files. 4. Automatic conversion Enter one value and other units in the same category are automatically calculated. 5. Easy copy operation Copy conversion results quickly for reports, notes, emails, documents, and spreadsheets. 6. Rearrange categories and units Place frequently used categories and units at the top for faster access. 7. Useful for technical fields Suitable for engineering, science, research, experiments, design, development, evaluation, maintenance, and on-site checks. 8. Useful for everyday conversion Also convenient for daily conversions such as length, temperature, weight, volume, area, and speed. Recommended For ・People who want to add their own categories and units ・People who handle engineering, scientific, or technical units ・Researchers, students, engineers, technicians, and developers ・People who check overseas specifications or technical documents ・People who want to manage conversion data with CSV files Use Cases Students and researchers Useful for assignments, reports, experiments, research data, and unit conversion records. Engineers and technicians Useful for checking flow rate, pressure, vacuum, power, energy, equipment specifications, sensor specifications, and design values. Data management and sharing Export categories, units, and conversion data as CSV files and use them in spreadsheet software for review, records, and sharing. Supported Category Examples Temperature, length, area, volume, angle, weight, time, speed, power, energy, electric charge, frequency, data transfer rate, electric current, resistance, acceleration, force, flow rate, pressure, and more. Why Choose MyUnit ・Create your own categories ・Use ×, ÷, +, −, and ^ ・Export data in CSV format ・Automatically convert multiple units at once ・Rearrange categories and units ・Useful for work, research, study, and daily life MyUnit is not just a unit conversion app. It lets you customize categories, units, and conversion rules to match your needs. Premium Features ・Ad-free experience Terms of Use:https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy:http://244div.com/privacy-policy/

Ratings & Reviews

  • This app hasn’t received enough ratings or reviews to display an overview.

• Made it easier to add new units.
 • You can now quickly access sharing, unit management, and unit creation from the conversion screen header.
 • Newly added units now appear at the top of the list.
 • Improved unit reordering and deletion.
 • Improved overall stability.

Version 4.3

The developer, Tsuyoshi Ninomiya, 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 Used to Track You

    The following data may be used to track you across apps and websites owned by other companies:

    • Purchases

  • Data Not Linked to You

    The following data may be collected but it is not linked to your identity:

    • Purchases
    • Usage Data

Privacy practices may vary, for example, based on the features you use or your age. Learn More

Accessibility

The developer has not yet indicated which accessibility features this app supports. Learn More

Information

Seller
  • Tsuyoshi Ninomiya
Size
  • 12.1 MB
Category
  • Education
Compatibility
Requires iOS 16.2 or later.
  • iPhone
    Requires iOS 16.2 or later.
  • iPad
    Requires iPadOS 16.2 or later.
  • Mac
    Requires macOS 13.1 or later and a Mac with Apple M1 chip or later.
  • Apple Vision
    Requires visionOS 1.0 or later.
Languages
English and 9 more
  • English, French, German, Italian, Japanese, Korean, Portuguese, Simplified Chinese, Spanish, Traditional Chinese
Age Rating
4+
In-App Purchases
Yes
Copyright
  • Copyright © 2025 Tsuyoshi Ninomiya. All rights reserved.
  • Developer Website
  • Privacy Policy

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