Bond Duration Calculator

Macaulay duration approximation for bonds.

Enter your values in the input panel on the left. Results update instantly and you can share your scenario with the copy-link button.

Use the default values as a template, then replace with your loan quote or portfolio data.

Rates and tax rules change. Verify APR, withholding, and lender fees on official documents.

This is not financial advice. Consult a licensed financial advisor or tax professional before major financial decisions.