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Showing all 35 entries.
Calculators 15
- Mortgage Calculator Work out the monthly payment on a home loan, see how much of it is interest, and read the full amortisation schedule underneath.
- Mortgage Affordability Calculator Work out the most expensive home your income and existing debts support, using the ratios lenders conventionally apply — and see which of the two actually limits you.
- Debt-to-Income Ratio Calculator Work out the two ratios lenders actually look at — housing alone, and every debt together — and see how much of your monthly obligations would need to clear to reach the conventional 36%.
- Amortization Calculator See where every payment goes — interest, principal and balance, payment by payment — and what actually changes when you pay more often or pay more.
- Compound Interest Calculator Project what regular investing could grow to over decades — and see the same figure in today's money, which is the number that tells you what it would actually buy.
- Savings Goal Calculator Work out what you would have to put aside each period to reach a specific amount by a specific date — and what the rate you assume is really doing to that figure.
- Credit Card Payoff Calculator Work out how long a card balance takes to clear and what the interest costs — and what changes if the payment stays the same every month instead of shrinking with the balance.
- Debt Payoff Calculator Price the snowball against the avalanche on your own debts — and find out whether the choice is worth anything at all, which is often less than the argument about it suggests.
- Inflation Calculator See what a sum would need to grow to just to stand still — and what it will actually buy if it does not. Two figures, both true, running in opposite directions.
- Investment Return Calculator Work out what an investment actually returned, both in total and per year — and see why the total on its own cannot be compared with anything.
- Emergency Fund Calculator Work out what a cash reserve of the size you choose actually costs, how much of it you already have, and how long the rest takes at the amount you can genuinely put aside.
- Budget Calculator Sort a month of take-home pay into needs, wants and saving, see the three shares it actually produces, and compare them against the 50/30/20 framework and what US households measurably spend.
- Margin & Markup Calculator Margin is profit against the price; markup is the same profit against the cost. Enter what an item costs and what it sells for to get both, then set a target to see the two different prices it implies.
- Break-Even Calculator How many units cover your fixed costs before anything is profit. Enter the monthly fixed costs, the price and the variable cost per unit to get the volume, the revenue it takes, and what a target profit would need on top.
- UK Take-Home Pay Calculator See what actually reaches your account after Income Tax, National Insurance, pension and student loan — with every band shown, for the 2026/27 tax year. Covers England, Wales and Northern Ireland.
Categories 6
- Mortgage & Home Work out payments, affordability, amortisation and the cost of paying early.
- Loans & Debt Payments, interest, amortisation and payoff strategies for any fixed-rate loan.
- Saving & Investing Compound growth, contributions, returns, inflation and goal planning.
- Salary & Pay Convert pay periods, compute overtime, raises and take-home pay.
- Business Margins, markup, break-even, ROI and business financing.
- Everyday Money Percentages, discounts, budgets, savings goals, net worth and inflation.
Salaries worked out 6
- £30,000 after tax What does £30,000 leave after tax, and why is a student loan repayment so small at this salary?
- £35,000 after tax What does £35,000 leave after tax, and how far is it from the higher-rate threshold?
- £42,000 after tax How much room is left below the 40% band on £42,000, and what happens when a rise crosses it?
- £50,000 after tax Why is £50,000 the most consequential salary in the UK system, and what does the next £1 cost?
- £70,000 after tax What does £70,000 leave after higher-rate tax, and what does it mean for Child Benefit?
- £80,000 after tax What does £80,000 leave, and how close is it to the 62% band that starts at £100,000?
About this site 8
- About Who builds these calculators, how they are tested, and what the site does and does not claim to do.
- How we calculate The formulas, conventions and rounding rules behind every calculator on the site, and how each one is verified before it ships.
- Editorial policy How content is written, sourced, reviewed and corrected — including what we will not publish.
- Contact Report an error in a calculation, suggest a tool, or ask how a figure was derived — and what makes a report reproducible.
- Privacy What this site collects, what it does not, and why figures typed into a calculator stay in your browser — including when a URL carries them.
- Terms The terms that apply to using the calculators and content on this site.
- Cookies Which cookies and local storage this site uses, and what each one is for.
- Disclaimer These calculators produce mathematical estimates, not financial advice. What that means in practice.
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