Financial Calculators
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Home Affordability
Work backwards from your income to a price. Enter what you earn, what you owe and what you have saved, and see the house that fits.
Break-Even Calculator
Free break-even calculator: find how many units you must sell to cover costs, with break-even revenue, contribution margin and profit at any volume.
Card Payoff
See how long a card balance takes to clear and what the interest costs. Pay a fixed amount, or the minimum, and watch the difference.
Compound Interest Calculator
Free compound interest calculator: see the final balance, total interest earned and year-by-year growth for any compounding frequency and regular deposits.
Discount Calculator
Free discount calculator: enter the original price and discount to see the sale price, how much you save and the effective percentage off.
Electricity Cost
Enter watts, hours a day and your tariff to see what an appliance costs per day, month and year. Standby hours are counted separately, because they add up.
Fuel Cost
Work out what a drive costs in fuel, in L/100km, km/L or mpg, and split it between passengers. Handles round trips and both US and UK gallons.
Inflation Calculator
Enter an amount, a rate and a number of years to see two things at once: what the same thing will cost, and what that money will be worth.
Margin Calculator
Enter any two of cost, price, margin and markup — the other two appear. Margin and markup are shown side by side, because they are not the same number.
Percentage Calculator
Work out a percentage of a number, what share one number is of another, the change between two values, and adding or removing a percentage.
ROI Calculator
Free ROI calculator: enter the amount invested and returned to see your ROI percentage, net profit, annualised return and payback period.
Salary Raise Calculator
Free salary raise calculator: enter your current pay and the raise percentage to see your new salary, the increase amount and the yearly difference.
Salary Calculator
Turn any pay figure into all the others: hourly, daily, weekly, fortnightly, monthly and annual. Set your own hours and working weeks.
Savings Goal
Set a target and ask it either way: how much to put aside each month to get there by a date, or how many months a chosen amount will take. Interest included.
Tip Calculator
Work out the tip, the total and what each person owes. Rounding up adjusts the tip rather than the total, which is what actually happens at the table.
VAT Calculator
Work out the tax on a price at any rate, in either direction: add VAT to a net figure or pull it back out of a gross one.
Loan Calculators
Loan Calculator
Free loan calculator for monthly payment, total interest and total cost. Works for personal, auto and other fixed-rate loans, with a full amortization table.
Mortgage Calculator
Free mortgage calculator: estimate your monthly payment including principal, interest, property tax, home insurance and PMI, with the full schedule.
Partially Amortized Loan Calculator
Free balloon loan calculator: enter amount, rate, amortisation term and actual term to see the monthly payment, balloon balance and total cost.
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Financial Calculators