ℹ️About SmartCalc Hub

SmartCalc Hub is a collection of simple, fast, and distraction-free online calculators built with plain HTML, CSS, and JavaScript.

The idea is straightforward: give you the tools you actually need—without pop-ups, heavy ads, or confusing interfaces.

What you can do with SmartCalc Hub

• Math tools: percentages, solvers, arithmetic.
• Finance tools: EMI, interest, compounding.
• Time tools: age, date difference, hours.
• Geometry tools: cylinder, cone, sphere, prism.
• Health tools: BMI & BMR.
• Utility tools: GPA, subnet, passwords, more.

How the calculators work

Everything runs fully in your browser—no login, no backend processing.

Not a substitute for professional advice

Results are for general use only. Always double-check important numbers.

Future plans

More tools and improvements coming soon. You can reach out via the contact page.