Free finance calculators
Explore an assumption, see the formula and understand the limits. All amounts use pounds for illustration; ratios work in any consistent currency and scale.
Compound Interest Calculator
Estimate compound growth with monthly contributions, a transparent formula and worked example.
Explore →Profit Margin Calculator
Calculate gross, operating or net profit margin from revenue and profit, with examples and an explanation of margin versus markup.
Explore →P/E Ratio Calculator
Calculate price-to-earnings from a share price and positive EPS, with consistent units and a worked example.
Explore →Enterprise Value Calculator
Bridge equity value to enterprise value using debt, cash, preferred equity and non-controlling interests.
Explore →EV/EBITDA Calculator
Calculate an enterprise-value-to-EBITDA multiple, with a worked example and guidance on comparable earnings.
Explore →Debt-to-Equity Calculator
Calculate interest-bearing debt relative to book equity and understand the definition and limits of the ratio.
Explore →Present Value Calculator: DCF Basics
Discount one future cash flow to present value and explore how the discount rate and timing affect the result.
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