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Fast, accurate calculators and converters for money, work, health, and everyday life. Pick a tool, get a clear answer, keep moving.
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Most popular tools
The tools people reach for most often.
EMI Calculator
Calculate your monthly loan EMI, total interest and total repayment with a full amortization schedule.
SIP Calculator
Estimate the future value of your monthly SIP investments and see how your wealth can grow over time.
Compound Interest Calculator
See how your savings grow with compound interest across different compounding frequencies.
Percentage Calculator
Solve every common percentage question: of, change, increase and decrease.
Age Calculator
Find your exact age in years, months and days, plus total days lived.
Scientific Calculator
A full scientific calculator with trigonometry, logarithms and more.
Calculators
Everyday calculators for percentages, ages, dates, averages, ratios and more — all running instantly in your browser.
Percentage Calculator
Solve every common percentage question: of, change, increase and decrease.
Age Calculator
Find your exact age in years, months and days, plus total days lived.
Date Difference Calculator
Count the days, weeks and months between two dates.
Date Calculator
Add or subtract days, weeks, months or years from any date.
Time Calculator
Add and subtract hours, minutes and seconds.
Average Calculator
Calculate the mean, median, mode, sum and count of a list of numbers.
Unit Converters
Fast, accurate unit converters for length, weight, temperature, volume, speed, data and many other measurement types.
Length Converter
Convert between meters, feet, miles, kilometers, inches and more.
Weight & Mass Converter
Convert kilograms, pounds, ounces, grams, tonnes and more.
Temperature Converter
Convert Celsius, Fahrenheit and Kelvin.
Area Converter
Convert square meters, acres, hectares, square feet and more.
Volume Converter
Convert liters, gallons, milliliters, cups and more.
Speed Converter
Convert km/h, mph, m/s, knots and more.
Finance Calculators
Plan loans, investments, taxes and savings with free finance calculators including EMI, SIP, compound interest and more.
EMI Calculator
Calculate your monthly loan EMI, total interest and total repayment with a full amortization schedule.
SIP Calculator
Estimate the future value of your monthly SIP investments and see how your wealth can grow over time.
Compound Interest Calculator
See how your savings grow with compound interest across different compounding frequencies.
Simple Interest Calculator
Quickly calculate simple interest and the total amount payable on a principal.
Loan Calculator
Work out monthly payments, total interest and total cost for any loan.
Mortgage Calculator
Estimate monthly mortgage payments including principal and interest.
Student Tools
Calculators built for students — CGPA, GPA, grades, marks, attendance and study planning made simple.
CGPA Calculator
Calculate your CGPA from semester GPAs and convert it to a percentage.
GPA Calculator
Compute your GPA from course grades and credit hours.
Grade Calculator
Convert a score into a letter grade and see the grade needed to pass.
Marks Percentage Calculator
Calculate your exam percentage from marks obtained and total marks.
Attendance Calculator
Track your attendance percentage and how many classes you can miss.
Study Time Calculator
Plan daily study hours needed to cover your syllabus before an exam.
Date & Time Tools
Work with dates and time: world clock, time zone converter, business days, countdowns, stopwatch and Pomodoro timer.
World Clock
See the current time across major cities and time zones.
Time Zone Converter
Convert a specific time from one time zone to another.
Business Days Calculator
Count working days between two dates, excluding weekends.
Countdown Timer
A simple, accurate countdown timer with alerts.
Stopwatch
A precise stopwatch with lap times.
Pomodoro Timer
Boost focus with the Pomodoro technique of work and break intervals.
Health & Fitness
Understand your body metrics with BMI, BMR and ideal weight calculators designed for clarity and accuracy.
Business Tools
Practical business calculators and an invoice generator to help with pricing, margins, commissions and billing.
Invoice Generator
Create and print professional invoices — no account, fully in-browser.
Markup Calculator
Calculate selling price and markup percentage from cost.
Margin Calculator
Calculate gross margin percentage and profit.
Break-even Calculator
Find how many units you must sell to cover costs.
Commission Calculator
Calculate sales commission and total earnings.
Hourly Rate Calculator
Work out an hourly rate from a desired annual income.
Image Tools
Compress, resize, crop and convert images entirely in your browser. Your files never leave your device.
Text Tools
Count words, transform text case and clean up text instantly. All processing happens locally in your browser.
Other Tools
Handy utilities like a QR code generator that don't fit neatly into another category.