Free Online Calculators – Finance, Date, Health & Everyday
Accurate, easy-to-use calculators for EMI, loans, interest, investments, GST, tax, salary, discounts, tips, percentages, BMI, age and dates — free for everyone worldwide.
Age Calculator
Calculate age from a date of birth.
Percentage Calculator
Calculate percentages quickly.
Discount Calculator
Calculate sale prices and savings.
BMI Calculator
Calculate BMI from height and weight.
EMI Calculator
Estimate monthly loan payments.
Loan Calculator
Estimate loan payments and total interest.
Simple Interest Calculator
Calculate simple interest.
Compound Interest Calculator
Calculate compound interest growth.
GST Calculator
Calculate GST-inclusive and GST-exclusive amounts.
Tip Calculator
Calculate tips and split bills.
Date Calculator
Add or subtract days from a date.
Date Difference Calculator
Find the difference between two dates.
Time Calculator
Add and subtract hours and minutes.
Unix Timestamp Converter
Convert Unix timestamps to readable dates.
Business Days Calculator
Count weekdays between two dates.
Salary Calculator
Estimate salary conversions between common pay periods.
Tax Calculator
Estimate a simple tax amount from a rate.
Investment Calculator
Estimate investment growth using regular contributions.
Quick answers for money, dates and everyday maths
Whether you are planning a loan, comparing investments, checking a discount while shopping or working out how many business days are left in a project, these calculators give you a clear answer in seconds. Results update instantly and work with any currency.
Financial calculators such as EMI, loan, compound interest and investment calculators show the breakdown behind the result, so you can see how interest and time affect the total. Date and time calculators handle leap years, month lengths and time differences for you.
Note: calculator results are estimates for planning and education. For important financial, tax or health decisions, confirm the numbers with a qualified professional.