DMCA & Copyright Policy

1. Commitment to Intellectual Property

Percentage Calculator provides educational mathematical tools, percentage formulas, and practical arithmetic guides. All explanatory content, user interface components, and calculation code are original works or public domain mathematical principles. We are committed to maintaining a platform free of infringing material and promptly addressing valid copyright concerns.

2. Filing a DMCA Notice of Infringement

If you are a copyright owner or an agent authorized to act on behalf of one, and you believe that any content hosted on this website infringes upon your copyright, you may submit a formal written notification pursuant to the Digital Millennium Copyright Act (17 U.S.C. § 512(c)(3)).

Your notification must include substantially the following information:

• Physical or Electronic Signature: A physical or electronic signature of a person authorized to act on behalf of the owner of an exclusive right that is allegedly infringed.
• Identification of the Copyrighted Work: Identification of the copyrighted work claimed to have been infringed, or a representative list of such works.
• Identification of the Infringing Material: Identification of the material that is claimed to be infringing or to be the subject of infringing activity, including the exact URL(s) or web pages on Percentage Calculator where the material is located.
• Contact Information: Information reasonably sufficient to permit us to contact you, such as your full legal name, physical address, telephone number, and email address.
• Good Faith Statement: A statement that you have a good faith belief that use of the material in the manner complained of is not authorized by the copyright owner, its agent, or the law.
• Perjury Statement: A statement that the information in the notification is accurate, and under penalty of perjury, that you are authorized to act on behalf of the owner of an exclusive right that is allegedly infringed.

3. Designated Copyright Agent

Please send your completed DMCA notice to our designated agent through any of the following channels:

Please note: Under 17 U.S.C. § 512(f), any person who knowingly materially misrepresents that material or activity is infringing may be subject to liability for damages, including court costs and attorneys’ fees.

4. Counter-Notification Procedure

If you believe that your content was removed or access to it was disabled as a result of a mistake or misidentification, you may submit a written counter-notification to our Designated Copyright Agent under 17 U.S.C. § 512(g)(3) including your signature, identification of material removed, statement under penalty of perjury, and contact details with consent to federal court jurisdiction.

5. Repeat Infringer Policy

In accordance with the DMCA and other applicable intellectual property laws, Percentage Calculator enforces a policy of terminating, in appropriate circumstances, access privileges or accounts of users who are found to be repeat infringers.

6. Updates to This Policy

We reserve the right to amend this DMCA & Copyright Policy at any time. Changes become effective immediately upon publication on this page. Last updated: October 2026.