Finance calculators

Loans, investing, and the math behind everyday money decisions.

Run the numbers on mortgages, loans, credit cards, investments, and retirement — with transparent formulas and editable assumptions.

Calculators
314
Topics: All Mortgage (23) Loans (11) Investing (65) Retirement (8) Budgeting (27)
314 results
Finance

APY from APR Calculator

Convert a simple annual rate (APR) into the effective annual yield (APY) at a chosen compounding frequency: APY = (1 + A...

basic
8,293 4.6 1 min
Finance

Treynor Ratio Calculator

Compute the Treynor ratio of a portfolio — the excess return earned per unit of market beta: T = (R_p − R_f) / β_p. High...

basic
15,328 4.9 1 min