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About Us

  • is a free site which is available to anyone who needs to make calculations and find results for numerous issues.

  • Its author offers you a high-quality service and ensures the content and calculation engines run properly.

  • If you notice any errors, English mistakes or bugs, or if you have any suggestions, opinions or testimonies, or if would like to leave a message, please contact me by filling out a contact form.

  • Usage of this site is at your own risk. You agree to never file any claims against the author, edit or webhost for any reason whatsoever.

  • operates on a session mechanism that results in the registration of cookies. This is a normal behavior for the proper functioning of the site. If you use this site, you agree to accept them. If you do not, you can simply leave the site. In order to protect your confidentiality, all data entered into the calculation forms and their results are deleted after use (with the exception of messages sent through the contact form). They are in no way stored. works without a database.

  • We keep usage free thanks to the advertisement services on our site. They may use cookies. You can view the governing rules and principles for ads run by Google here:

  • If you would like to personalize your user experience with Google ads, we invite you to visit:

  • You can also visit Google's Privacy Policy and Terms of Service page.

  • To-calculate tends to grow, do not hesitate to come back.

  • If you wish to link one or more of the pages of this site, feel free. Thanks.

How to control cookies?

The collection of cookies can be disabled in your browser preferences. Your browser can also be configured to notify you when a cookie is stored. In this way, the cookie is only stored if you expressly accept it. Please note that if your browser is set to reject all cookies, you may not be able to take full advantage of all our services.

You can disable cookies by following the instructions below:

With Microsoft Internet Explorer

  1. Choose the "Tools" menu, then "Internet Options".
  2. Click on the "Confidentiality" tab.
  3. Select the desired level with the cursor.

With Mozilla Firefox

  1. Choose the "Tools" menu, then "Options".
  2. Click on the "Privacy" tab.
  3. In the "Conservation Rules" drop-down list select the desired level.

With Google Chrome

  1. Click on the icon to display the settings menu.
  2. Click on "Options".
  3. In the "History" area, select "use custom settings for history".
  4. Choose the desired level.

With Safari

  1. Click on the "Safari" menu.
  2. Click on "Preferences".
  3. In the "Security" tab, select the desired level.