Frequently Asked Questions
Find answers to common questions about Kolay Hesaplasana below.
Yes. All tools on kolayhesaplasana.com are completely free to use. No registration, membership or payment is required. Just open the site and use any tool instantly.
Our tools are built on internationally recognised formulas and standards (WHO for health, peer-reviewed scientific formulas for math and physics). Always verify important results with a qualified professional before acting on them.
Yes. All tools are designed to work correctly on phones, tablets and desktop computers. You can also add the site to your home screen from your browser.
Kolay Hesaplasana is free, so we use Google AdSense ads to keep the service running. Ads are shown in designated areas and do not block the content.
The English section is growing. It currently covers health (BMI, BMR, ideal weight), math (percentage, average), finance (discount, profit, ROI), date/time (age, date difference) and web tools (QR code, password generator, word counter). More are added regularly.
No. All data you enter — health figures, financial numbers, etc. — is processed only in your browser and is never sent to our servers.
No account or sign-in is needed for any tool. Visit the site and calculate instantly.
Every tool page has a Feedback button at the bottom. Tell us which tool you used, what values you entered and what result you expected. We will review and fix it as quickly as possible.
Use our contact page to share your idea. We review all suggestions and prioritise tools that are frequently requested.
Yes. All calculations run in JavaScript in your browser — no calculation data is sent to our servers. We use Google Analytics for anonymous visit statistics and Google AdSense for advertising. See our Privacy Policy for full details.