Approximate YTM
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This YTM is the common closed-form approximation, not a true internal rate of return. Duration uses a different page and a coupon loop.
Page updated 2026-09-14. Official source: Investor.gov yield to maturity
Approximate YTM
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Annual coupon
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Annual pull to par
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Average of face and price
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Textbook YTM approximation (C + (F-P)/n) / ((F+P)/2). Flag: not an IRR / Newton solver Enter one realistic scenario in the calculator above and read the result together with its labels and assumptions. The page is designed for a quick, repeatable estimate rather than a black-box answer.
This is a browser-side worksheet for financial planning. It does not connect to the named provider, submit a transaction, or create an account on your behalf. Save the inputs if you need an audit trail, then rerun the page when an assumption changes.
Use the field labels as the source of truth: enter rates as percentages, amounts in the selected currency, and dates in the format shown. Invalid or incomplete inputs should remain visible so you can correct them before copying a result.
The calculator applies the formula implied by the labels and shows the key output in plain language. Displayed values are rounded for reading; keep the copied inputs and unrounded assumptions when a later calculation needs more precision.
If the result depends on a live rate or policy, compare the value with Investor.gov yield to maturity before relying on it.
For the next step, compare this result with Bond Duration Calculator, Compound Interest Calculator, Simple Loan EMI Calculator. A second calculator is useful when you need to test a different assumption, not to manufacture false precision.
Results are estimates, not a quote, diagnosis, tax filing, legal opinion, investment recommendation, or guarantee. Check the jurisdiction, provider plan, time period, and rounding rules that apply to your real situation.
Inputs stay in your browser for this page. Do not paste passwords, payment credentials, private keys, or other secrets into any public web tool, even when the page is designed to run locally.
It estimates textbook YTM approximation (C + (F-P)/n) / ((F+P)/2). Flag: not an IRR / Newton solver from the values you enter. Review the labels and assumptions above the result so you can tell exactly what is included.
No. The page is an in-browser estimate based on your inputs. Provider pricing, taxes, policies, exchange rates, and other external conditions can change, so confirm the live value before committing money or publishing a decision.
The calculator is designed to run in your browser and does not need an account or a server upload. Avoid entering credentials, payment details, private keys, or other secrets in any public tool.
Verify the current Investor.gov yield to maturity, your jurisdiction or plan, and any rounding or date rule that applies. The official source link is shown above the calculator.
Bond Duration Calculator Macaulay duration from annual coupon PV cash flows, n capped at 15. Simplified annual, not a full yield-curve model.
Compound Interest Calculator Principal, rate, and compounding periods.
Simple Loan EMI Calculator Monthly EMI, interest, and tenure.
Annuity Payout Calculator Amortizing payout PMT = P x r / (1-(1+r)^-n). Monthly uses r = annual/12. Not an insurance quote.