Home / Calculators
Free calculators for money, dates and measurements
Calculators answer quick questions about money, time and measurements. Work out a monthly loan payment, see how a regular investment could grow, add GST to a price, or find the discount on a sale. The numbers stay on your device, and the tools show the assumptions they use.
Loan EMI Calculator
See the monthly payment and total interest on a loan.
SIP Calculator
See how a fixed monthly investment could grow at an assumed return.
Compound Interest Calculator
See how savings grow with interest added over time.
GST Calculator
Add GST to a price, or remove it from a total.
Discount Calculator
Work out the sale price, the saving and the total with tax.
Tip Calculator
Work out the tip, the total and each person's share.
BMI Calculator
Work out your Body Mass Index in metric or imperial units.
Percentage Calculator
Find percentages, what share a number is and percentage change.
Date Calculator
Count the days between two dates, or add and subtract days.
Age Calculator
Work out your exact age in years, months and days.
Unit Converter
Convert length, weight and temperature between metric and imperial.
Questions
Are these financial advice?
No. They are estimates with simple formulas. Check the assumptions and ask a qualified adviser before making decisions.
Do they store my numbers?
No. Everything is calculated in your browser.