basic

T-Bill Discount Yield Calculator

DY = (FV − Price) / FV · 360 / days.

Compute the discount yield of a US Treasury bill from its face value, purchase price, and days until maturity, using the 360-day banker's convention: DY = (FV − P) / FV · 360 / days.

Nadia Almasri By Nadia Almasri
Published Last reviewed 1 min read

Inputs

$
$

Results

Enter values and click Calculate to see results.
Was this helpful?

How to use this calculator

  1. Fill in the inputs above using the units you already have.
  2. Values update automatically as you type — no submit button needed.
  3. Hover any result row for the underlying formula and intermediate values.

Formula

Discount yield = (FV − P) / FV · 360 / days

In depth

Compute the discount yield of a US Treasury bill from its face value, purchase price, and days until maturity, using the 360-day banker's convention: DY = (FV − P) / FV · 360 / days.