All calculators

Work out the monthly instalment on a home, car or personal loan, and see exactly how much…

Add GST to a price or strip it out of a GST-inclusive amount, with the CGST and SGST…

Project what a monthly systematic investment plan could grow to over time, and how much…

See how an amount grows when interest earns interest, and how much difference the…

Work backwards from a monthly payment you can comfortably afford to the loan amount it…

Calculate interest charged only on the original principal, with no compounding.

Calculate body mass index from height and weight, and see the healthy weight range for…

Estimate the calories your body burns at complete rest, and what your daily needs look…

Estimate your daily calorie needs for maintaining, losing or gaining weight, based on…

Handle the three percentage questions that come up constantly: what is X% of Y, X is what…

Find the mean, median, mode, range and standard deviation of any list of numbers.

Simplify a ratio to its lowest terms, convert it to a decimal and percentages, and scale…

Work out an exact age in years, months and days from any date of birth, plus the days…

Count the days, weeks, months and working days between any two dates.

Calculate profit, margin and markup from a cost and selling price — and see why margin…

Apply a markup percentage to a cost to find the selling price, and see the margin that…

Measure the return on an investment as a total percentage and, where a time period is…

Work out the sale price after a percentage discount, how much you save, and what tax adds…

Work out how much fuel a trip needs and what it will cost, including the cost per…

Work out the tip on a bill and split the total evenly between any number of people.