About Us – Numbers On Your Tip

Numbers On Your Tip is a free calculator and tools platform — 40+ calculators covering health, finance, daily-use math, and digital utilities, built to give you accurate answers in seconds without sign-ups, paywalls, or clutter.

Our Mission

Every calculator on this site exists to answer one question well. We focus on getting the formula right, explaining what the result actually means, and keeping the tool fast and free — no accounts, no data stored, no unnecessary friction between you and your answer.

Why Trust Us

• Every calculator is built on standard published formulas (WHO guidelines for health metrics, standard financial/amortization formulas for loans and tax tools, official conversion standards for unit tools)
• Medical and dosing calculators are for educational reference only — always confirmed against clinical sources, and never a substitute for a licensed healthcare professional. Please read disclaimer
• Calculators are updated when underlying rates, formulas, or standards change (e.g., tax brackets, WHO BMI cut-offs).

Meet the Founder

Ashar Pervaiz

Software Engineer

"Great decisions begin with accurate numbers. Our mission is to put reliable tools at your fingertips—simple, fast, and free."

I build every calculator on this site myself, testing each formula against real-world examples before it goes live. If something looks off, tell me — I fix it fast.

Contact Us

Have questions, suggestions, or feedback? We would love to hear from you.

You can reach us at: contact@numbersonyourtip.com