Free Online Calculators
For exams, health, finance & daily calculations. No signup required.
Percentage Calculator
Calculate percentage of any number instantly. Perfect for exam results and marks calculation.
CGPA to Percentage Converter
Convert CGPA to percentage for all grading scales. Supports 10-point and 4-point scales.
Age Calculator
Calculate exact age in years, months, and days from date of birth. Useful for form filling.
Marks Percentage Calculator
Calculate percentage from obtained marks and total marks. Get instant results.
BMI Calculator
Calculate Body Mass Index (BMI) and check your weight category. Free and instant.
EMI Calculator
Calculate Equated Monthly Installment (EMI) for loans. Plan your finances better.
Exam Marks Calculator
Calculate exam percentage, grade, and pass/fail status. Supports custom passing percentage.
Frequently Asked Questions
Are these calculators free to use?
Yes, all calculators are 100% free to use. No registration, signup, or payment required. Use them as many times as you need.
Are results accurate?
Yes, all calculations are performed using standard mathematical formulas and are 100% accurate. However, always verify important results with official sources.
Can I use these calculators on mobile?
Yes, all calculators are fully responsive and work perfectly on mobile devices, tablets, and desktops. All calculations happen in your browser.
Who can use these calculators?
These calculators are designed for students, professionals, and anyone who needs quick calculations for exams, health, finance, or daily tasks. No restrictions.