Bond Equivalent Yield Calculator

Annualized simple yield for T-bills/discount notes

How to Use This Calculator

Enter the instrument's price, face value, and days to maturity. Click Calculate to see the annualized simple yield.

Formula

BEY = ((Face − Price) / Price) × (365 / Days) × 100

This converts a discount yield into a simple annualized yield comparable to bond yields.

About Bond Equivalent Yield

BEY standardizes short-term discount instrument returns to an annual basis, easing comparisons with quoted bond yields.

Frequently Asked Questions

Is this the same as bond discount rate?

No. BEY annualizes based on price, while bank discount yield uses face value and 360-day convention.