Finance calculators

Thirteen calculators for time value of money, lending, investment appraisal, valuation, options, depreciation, ratios, energy projects and currency.

Currency

Calculator

Rates are annual unless labeled otherwise. Results are estimates from the inputs you enter and standard textbook formulas; check conventions (day counts, tax rules, compounding) against your own agreements. For analysis only, not investment advice. The bond pricer lives on its own page: Bond calculator.