Financial calculators This page contains a collection of free online calculators for bonds, foreign exchange, options, mortgage, loans, investments and more. Loan and investment calculators (2) Loan calculator Investment calculator Option calculators (2) Pricing of an option (Black & Scholes) Option strategy calculator Foreign exchange calculators (2) FX forward calculator FX cross rate calculator Bond calculators (6) Price conversion between fractional and decimal notation Bond conversion factor calculator Bond price calculator Discount security price calculator Bond yield calculator Discount security yield calculator Other calculators (1) Date calculator