Free Online Calculators, No Sign-Up
Fast, accurate, mobile-friendly calculators for money, health, school and daily life. Everything runs in your browser — nothing is stored or uploaded.
Tip Calculator
Split the bill and calculate the perfect tip in seconds.
Percentage Calculator
Find percentages, increases, and decreases instantly.
Discount Calculator
Calculate sale prices and savings on any purchase.
BMI Calculator
Check your Body Mass Index using metric or imperial units.
Age Calculator
Find your exact age in years, months, and days.
Date Difference Calculator
Calculate the number of days between two dates.
Loan / EMI Calculator
Estimate monthly payments and total interest on any loan.
Mortgage Calculator
Estimate your monthly mortgage payment and amortization.
Compound Interest Calculator
See how your savings or investments grow over time.
Paycheck Calculator
Convert hourly wage to daily, weekly, monthly and yearly pay.
Unit Converter
Convert length, weight, and temperature units instantly.
GPA Calculator
Calculate your grade point average from course grades and credits.