Contact Us
◆ We're here to helpNeed a calculator we haven't built yet, want to advertise on the site, or spotted something wrong? Write to us and we'll reply by email.
You can reach us by email at any time. We read every message and normally reply within 24 hours.
- Request a calculator or toolTell us what you need and how you would use it. Most of what we build starts as a request like that.
- Advertise with usTell us what you have in mind for sponsorship or placement on the site, and we will take it from there.
- Report a problemA result that looks wrong, a page that will not load or a typo. Include the numbers you used and we will trace it.
Email us
ogcalculators@gmail.com
Response time
Within 24 hours
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