Free financial and business tools

Calculators for the decisions behind the articles: grow savings, price a loan, find your break-even point, measure runway. Free to use, with the formulas shown.

• Finance

  Compound interest calculator

  See how a starting balance and regular contributions grow over time.

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• Finance

  Loan and mortgage payment calculator

  Work out the monthly payment, total interest and payoff schedule for a loan.

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• Finance

  ROI and CAGR calculator

  Measure an investment's total return and its compound annual growth rate.

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• Entrepreneurship & Startup

  Break-even calculator

  Find how many units you must sell to cover your fixed and variable costs.

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• Entrepreneurship & Startup

  Startup runway calculator

  Estimate how many months of cash you have at your current burn rate.

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• Business

  Profit margin and markup calculator

  Turn a cost and a selling price into gross margin, markup and profit.

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• Finance

  Savings goal calculator

  Find the monthly amount you need to save to reach a target by a given date.

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• Career

  Salary to hourly rate calculator

  Convert an annual salary to an hourly, daily, weekly and monthly figure.

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These calculators are for general information and education. They use the assumptions described on each page and are not personalised financial, tax or investment advice.