Tools for every calculation.
Fast, accurate, and beautifully designed online tools to help you solve everyday math and date problems instantly.
Age & Milestone Calculators
Age Calculator
Calculate your exact age in years, months, days, hours, and minutes with live ticking seconds.
Age Difference Calculator
Compare two dates to find the exact time difference and age gap between two people.
Baby Age Calculator
Track infant milestones exactly in weeks and months for pediatrician checkups.
Age In Months
Find out exactly how many total calendar months you have lived.
Date & Event Calculators
Date Calculator
Add or subtract days, months, and years from a date, or find the exact business days between two dates.
Days Until Countdown
Live countdown timer showing exactly how many days and seconds are left until your specific event.
Birthday Calculator
Countdown to your next birthday and discover fun facts like the day of the week you were born.
Leap Year Calculator
Instantly check if a year is a leap year and view a list of previous and upcoming leap years.
Add Days To Date
Instantly add days, weeks, months, or years to any date. Perfect for calculating future deadlines.
Subtract Days From Date
Work backward from a deadline by subtracting days, weeks, or months from any date.
Business Days Calculator
Find the exact number of working days between two dates by automatically excluding weekends.
Workdays Calculator
Calculate exactly how many Monday-Friday workdays exist between any two dates.
Week Number Calculator
Find the exact ISO 8601 week number for any date, complete with the week boundaries.
Time Duration Calculator
Calculate exactly how many hours and minutes have elapsed between a start time and an end time.
Math & Retail Calculators
Percentage Calculator
Instantly calculate what X percent of Y is.
Percentage Increase
Find the exact percentage growth between two numbers.
Percentage Decrease
Find the exact percentage reduction between two numbers.
Discount Calculator
Find out exactly how much you'll pay after a percentage discount.
Profit Calculator
Enter your cost and revenue to instantly calculate your gross profit.
Margin Calculator
Calculate your exact profit margin percentage.
Markup Calculator
Calculate the exact markup percentage applied to your wholesale cost.
Commission Calculator
Find out exactly how much commission you've earned on a sale.
ROI Calculator
Instantly calculate the Return on Investment (ROI).
VAT & GST Calculator
Instantly add tax to an invoice, or extract the exact tax amount.
Finance & Investment Calculators
EMI Calculator
Calculate your Equated Monthly Installment for loans.
Loan Calculator
Calculate monthly payments and total interest for loans.
Mortgage Calculator
Estimate your monthly home loan payments and interest.
Investment Calculator
Project the future value of your portfolio.
Savings Calculator
Track the growth of your savings account.
Compound Interest
Calculate exact compound interest for your investments.
Retirement Calculator
Project your final retirement nest egg.
Currency Converter
Convert global currencies instantly using live rates.
Unit Converters
Feet to CM
Instantly convert feet to centimeters.
CM to Feet
Easily convert centimeters back to feet.
Inches to CM
Exact conversion from inches to metric centimeters.
Meters to Feet
Convert meters to imperial feet accurately.
KG to Pounds
Instantly convert metric kilograms to imperial pounds.
Pounds to KG
Accurate conversion from pounds to kilograms.
Celsius to Fahrenheit
Fast and exact metric to imperial temperature conversion.
Fahrenheit to Celsius
Simple, accurate conversion back to Celsius.
Marla to Sq Feet
Convert Marlas to Square Feet with regional toggles.
Kanal to Marla
Essential land converter for real estate transactions.
MB to GB
Convert Megabytes to Gigabytes using binary math.
GB to TB
Accurately convert Gigabytes to Terabytes.