Discount Yield
3.96%
US Treasury Bill Calculator
Calculate the discount yield and investment (bond-equivalent) yield of a T-Bill.
Bond-Equivalent Yield
4.09%
Discount Amount
$200.00
Days to Maturity
182
How to use the US Treasury Bill Calculator
The US Treasury Bill Calculator is free and runs entirely in your browser — no sign-up, and nothing you enter leaves your device. It opens pre-filled with a realistic example, so you can see how it works before replacing any figure with your own; the results update as you type. Press Calculate to refresh the result panel, or Reset to return to the example.
The inputs it asks for:
- Face Value — a dollar amount.
- Purchase Price — a dollar amount.
- Days to Maturity — a number.
Worked example
Using the example values — Face Value $10,000.00, Purchase Price $9,800.00, Days to Maturity 182 — the US Treasury Bill Calculator returns a Bond-Equivalent Yield of 4.09%. It also reports Discount Yield (3.96%), Discount Amount ($200.00), Days to Maturity (182).
Prefer your own numbers? Change any field above and this recomputes instantly.