Effective September 21, 2026. Last updated September 21, 2026.

Terms of use

These terms set out the conditions for using the tools and content published on UtilShelf (https://utilshelf.com). By using the site, you agree to them.

Using the tools

The tools on this site are free and require no registration. Use them at your own discretion and on your own responsibility.

What you may not do

You may not use the site for any purpose that breaks the law or infringes the rights of others, interfere with the running of the site, place excessive load on it through automated access, or copy its content and redistribute it as an equivalent service.

Checking results, and disclaimer

We work to keep every calculation and conversion accurate, but we do not warrant that a result is accurate, complete, or fit for any particular purpose. Before relying on one for a medical, financial, legal, or tax decision, check the source data and the result, and consult a professional where appropriate.

The operator is not liable for any loss arising from use of this site or from the results its tools produce.

Intellectual property

The rights in this site's page structure, explanatory text, design, and code belong to the operator. The rights in what you enter into a tool, and in the result it produces, remain yours; the operator acquires no rights in them.

Changes to the service

We may change a tool, or stop providing it, without notice, for reasons of quality, safety, or operation. The operator is not liable for any disadvantage this causes.

Governing law and jurisdiction

These terms are governed by the law of Japan. If a dispute arises over use of this site, the Tokyo District Court shall have exclusive jurisdiction as the court of first instance.

Changes to these terms

We may revise these terms as needed. Revised terms apply from the moment they are published on this page.