All calculators

Split your take-home pay between needs, wants and saving, and see how your actual spending compares.

See how a starting balance and regular contributions grow, and how much of the result is interest rather than your own money.

Find out how long a credit card balance takes to clear and what the interest costs, including on minimum payments.

See how long it takes to clear a debt, what the interest costs, and how much paying extra would save.

Work out the debt-to-income ratio lenders use, and how much room you have left before it blocks a mortgage.

Work out how large your emergency fund should be, and how long it will take to get there.

See what an amount will cost in future, and what future money is worth in today's terms.

Work out the interest rate behind a loan when you know the amount, the payment and the term.

Compare two loan offers on total cost, not on the monthly payment the salesperson quotes.

Calculate the monthly payment, total interest and total cost of any fixed-rate loan.

Add up what you own and subtract what you owe to see your net worth and how it is composed.

Work out what your savings will be worth after regular deposits, and how much of it is interest.

Calculate simple interest on a principal amount, and see how much compounding would have added.

Work out student loan payments, what interest during study adds to the balance, and what paying extra saves.

Work out the cash you need at closing: lender fees, title, inspection and the months of tax and insurance collected up front.

Work out the down payment and closing costs you need, and how long it will take to save them.

Compare a heat pump with a gas boiler on running cost, and see how long the switch takes to pay back.

Find the home price your income supports, using the same debt ratios lenders apply.

Work out your home equity, loan-to-value ratio, and how much you could borrow against it.

See how much sooner your mortgage ends and how much interest you save by paying extra each month.

See what discount points cost, how much they cut the payment, and how long you must keep the loan before they pay for themselves.

Work out your full monthly mortgage payment, including property tax, insurance, HOA and PMI.

See what refinancing saves each month, how long it takes to break even, and whether it costs more in total.

Work out how much rent you can afford on your income, and what a landlord will let you rent.

Compare renting against buying over the years you plan to stay, measured on which leaves you better off.

Work out gross and net rental yield, and what the property returns on the cash you actually put in.

Work out how many years a solar installation takes to pay for itself, and what it saves over its life.

Find the car price your income actually supports, once insurance, fuel, maintenance and your existing debts are taken into account.

See what a car will be worth after any number of years, and how much value it loses each year and each month.

Calculate your monthly car payment, the total interest you will pay, and how much the loan adds to the price of the car.

Work out the true cost of owning a car over five years, including depreciation, interest, fuel, insurance and maintenance.

Work out what it costs to charge an electric car from any state of charge to any other, and what that works out to per mile.

Compare what an electric car and a petrol car cost to run per year, and how much switching would actually save you.

Work out what a trip costs in fuel, and what the same journey adds up to over a week, a month and a year.

Compare the real cost of leasing against buying the same car over the same period, including mileage penalties and resale value.

Estimate what you actually take home from a bonus after tax withholding and retirement contributions.

Work out how many units you must sell to cover your fixed costs, and what a price change does to that number.

Convert hours and minutes to decimal hours and back, with the rounding your payroll actually uses.

Work out the hourly and day rate you need to charge to take home the income you want after costs, tax and unbillable time.

Convert an hourly wage into annual, monthly and weekly pay, including the cost of unpaid time off.

Work out hours worked between two times, less breaks, in decimal hours and in pay.

Turn teaching periods into clock hours: what a 45-minute lesson is in decimal, and what a timetable adds up to over a week and a year.

Work out what your business miles are worth at the standard rate, and whether it covers what driving actually costs you.

Work out total pay for a week including overtime and double-time hours.

See what lands in your account after tax, Social Security, Medicare and pre-tax deductions.

Work out profit margin and markup from cost and price, and the price you need for a target margin.

Work out how much paid time off you will have banked by a given date, including the accrual cap.

See what a raise is worth per month and per year, and whether it beats inflation.

Convert an annual salary into an hourly rate, and see what unpaid overtime does to it.

Convert pay between hourly, daily, weekly, biweekly, monthly and annual figures.

Project your 401(k) balance including employer matching, and see how much of it your employer contributed.

Calculate the compound annual growth rate between a starting and ending value over any number of years.

Work out the tax on an investment gain and what you keep after selling.

Work out what a certificate of deposit pays at maturity, after inflation and after tax.

Project dividend income and portfolio value over time, with or without reinvesting the dividends.

Find your financial independence number and how many years of saving at your current rate it would take to reach it.

Project what an investment will be worth, in both nominal terms and what it will actually buy.

Project a traditional IRA balance and see what it is worth after tax is paid on withdrawal.

Compare investing a sum all at once against spreading it over months, and see what the wait costs.

See what a return is worth after inflation, tax and fees have taken their share.

See what you are on track to have at retirement, and whether it supports the income you want.

Calculate return on investment as a percentage, along with the annualised rate over the holding period.

Project a Roth IRA balance and compare it against a traditional account of the same size after tax.

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

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.

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

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.