Calculators
Free online calculators for percentages, finance, health, grades and everyday math. Instant results with clear breakdowns — no sign-up needed.
20 free tools across 1 categories
Calculators20
Percentage Calculator
Find X% of Y, what percent X is of Y, and percentage change — free and instant.
Percentage Increase Calculator
Enter old and new values to get the percentage increase plus the raw difference.
Percentage Decrease Calculator
Compute the percentage decrease between two values with the exact difference shown.
Age Calculator
Enter your date of birth to get your exact age in years, months, days — plus your next birthday.
BMI Calculator
Enter height and weight (metric or imperial) for your BMI, category, and healthy range.
GST Calculator
India GST calculator with 0/5/12/18/28% slabs, inclusive/exclusive modes, and CGST+SGST split.
Discount Calculator
Enter a price and discount percent to see the final price and how much you save.
EMI Calculator
Compute monthly EMI, total interest, and total payment for any loan in India or abroad.
Loan Calculator
Get monthly payments, total interest, and a year-by-year amortization schedule for any loan.
Simple Interest Calculator
Calculate simple interest and the total amount from principal, rate, and time.
Compound Interest Calculator
See how compounding frequency changes your returns — P, rate, time, and payout schedule.
Profit Margin Calculator
Enter cost and revenue to get profit, margin %, and markup % side by side.
CGPA Calculator
Add subjects with credits and grade points to compute your CGPA and percentage equivalent.
GPA Calculator
Enter courses with letter grades and credits to compute your GPA on the 4.0 scale.
Grade Calculator
Turn earned/possible points into a percentage, or compute a weighted grade across categories.
Attendance Calculator
Check your attendance percentage and see how many classes in a row you need for 75%.
Time Calculator
Add or subtract time durations, or find the elapsed time between two clock times.
Unit Converter
Convert length, weight, temperature, area, volume, speed, and data in one compact tool.