Fixed Income · Advanced

Bond Accrued Interest Calculator

Use face value, coupon rate, days accrued and days in the coupon period for a simplified accrued-interest estimate.

ILLUSTRATIVE RESULTS
Coupon payment$25.00
Accrued-period fraction33.33%
Estimated accrued interest$8.33

What this result meansEstimate coupon interest earned between payment dates. It translates only the assumptions entered above and cannot determine whether investments are substantially identical or provide tax advice.

How to use this calculator

Use face value, coupon rate, days accrued and days in the coupon period for a simplified accrued-interest estimate. Change one assumption at a time, compare the result and consider what the formula leaves out.

ƒ

Formula and assumptions

Accrued interest = face value × coupon rate ÷ payments per year × accrued-day fraction. Results are simplified illustrations and may exclude taxes, changing rates, liquidity, spreads, market impact, assignment, broker rules or other real-world factors.

Common questions

Does this calculator use live market data?

No. Every value comes from the assumptions you enter. A ticker symbol, when shown, is only a label.

Can I make a trade based on this result?

The result is an educational illustration, not a recommendation or a complete analysis. Verify current facts, account rules, costs and risks independently.

Why might the actual result be different?

Real outcomes can be affected by execution price, spread, slippage, fees, taxes, liquidity, volatility, financing costs, corporate actions and changing market conditions.

Educational illustration only. This calculator does not use live market data and does not provide investment, trading, tax or legal advice. Verify formulas, rules, fees and product details with current primary sources and regulated providers before acting.