Calculators for study, money and everyday life
- Scientific Calculator: trigonometry, logs, powers, roots and factorials, with history.
- GPA & CGPA Calculator: semester GPA from grades and credit hours, plus cumulative CGPA.
- Percentage Calculator: marks percentage, percent change, discounts and more.
- Age Calculator: exact age in years, months and days, and your next birthday.
- EMI / Loan Calculator: monthly installment, total interest and full repayment schedule.
- Unit Converter: 10 categories including length, weight, area and local units like marla, kanal and tola.
Built to be accurate and clear
Each calculator shows the formula it uses on its page, so you can check the math yourself and learn how it works. We use standard methods: the order of operations for the scientific calculator, credit-weighted averages for GPA, and the reducing-balance formula used by most banks for EMI.
Where rules differ between countries or institutions, such as grading scales or the size of a marla, we say so clearly and tell you which value we use. Always confirm important results with your school, bank or local authority.
More calculators are coming
We are adding many more calculators in phases, covering math, finance, health, dates and conversions. Have a request? Tell us which calculator you need.
Frequently Asked Questions
Are the calculators free?
Yes, all of them are free with no sign-up.
Do they work on mobile phones?
Yes. Every calculator is designed for small screens first.
Is my data saved?
No. Calculations happen in your browser and nothing is stored.