Contact YüzdeBin
Report a calculator issue, suggest a useful tool or contact the publisher.
Email the publisher
Email iletisim@yuzdebin.com for calculator issues, privacy questions, corrections or useful tool suggestions. This is the contact address already published on the Turkish site.
Make a calculation issue reproducible
Include the page address, the selected units and a non-sensitive example of the inputs and expected result. Do not send account credentials, identity documents or private campaign data.
Suggestions and commercial enquiries
Explain the task you need to complete and where the existing tools fall short. Commercial enquiries do not change formulas or editorial decisions. We do not promise traffic, ad revenue or a response deadline.