Life Calculators

Work out an exact age in years, months and days, plus total days lived and time to the next birthday.

Work out percentages of a number, percentage change, and increases or decreases, all at once.

Split a bill fairly when people ate differently, stayed different lengths, or earn different amounts.

Compare living costs between two places and find the salary you would need to stay even.

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

Work out a sale price after a discount, including stacked discounts and sales tax.

Work out what any appliance costs to run per hour, per month and per year from its wattage.

Add sales tax to a price or work backwards from a total to find the tax already in it.

Add up what your subscriptions cost a year, and what cancelling some of them would be worth.

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

Compare two sizes or two brands by price per unit and see which one is genuinely cheaper.

Build a realistic holiday budget including flights, accommodation, food, activities and a contingency buffer.