Frequently Asked Questions
Answers to the questions we hear most often about WebToolGrid. Looking for calculator-specific questions (like how EMI is calculated)? Each calculator page has its own FAQ section too.
Is WebToolGrid free to use?
Yes, every calculator is completely free with no account, subscription, or download required.
Do I need to create an account?
No. There are no accounts, logins, or user profiles on WebToolGrid — every tool works immediately on the page.
Is my data safe when I use a calculator?
Yes. All calculations run locally in your browser using JavaScript. Nothing you type into a calculator is sent to our servers or stored anywhere.
Why do I see advertisements on the site?
Advertising through Google AdSense funds the hosting and development of WebToolGrid so the calculators can remain free for everyone. See our Privacy Policy for details on how ad personalisation cookies work.
How accurate are the calculators?
Each calculator uses a standard, publicly documented formula and is tested against known worked examples. That said, real-world results (loan fees, actual fund performance, institutional rounding rules) can vary — see our Disclaimer for the full picture.
Can I suggest a new calculator?
Yes, we welcome suggestions. Use the Contact page to tell us what tool you'd find useful.
I think a calculation is wrong — what should I do?
Please let us know through the Contact page with the numbers you entered and the result you expected. We take accuracy reports seriously and will investigate.
Does WebToolGrid work on mobile devices?
Yes, every page is designed to work on phones, tablets, and desktops without needing a separate app.
Didn't find your answer here? Contact us and we'll help directly.