Use free calculators to track age, health, or finances — fast, accurate, and built for everyone.
Find your exact age in years, months, and days. Just enter your date of birth and click calculate.
Wondering how old you are in days? Try it now.Enter your date of birth to find your exact age
Check if your weight is healthy for your height using the global BMI standard.
Calculate your Body Mass Index and health category
Plan your personal or home loan with precision. Enter your loan details to see monthly EMI.
Calculate your loan EMI with precision
Trusted globally by users worldwide
No registration required, instant results
Optimized for all devices and screen sizes
All calculations happen in your browser
Yes, all tools on Simple Tools Pro are completely free and require no sign-up.
Absolutely! The site is fully optimized for smartphones and tablets.
No. We respect your privacy. All calculations happen in your browser, and no data is stored.
Yes. These tools follow globally accepted formulas and are optimized for international users.
Yes! You can copy the URL and share the tool on WhatsApp, Facebook, or Email.