Financial

Free Treasury Bill Calculator

Discount yield and investment return on a T-bill.

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Inputs

$
$

Result

Investment (bond-equivalent) yield

8.186%

Discount yield7.912%
Gain at maturity$200.00

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Estimates only. Verify with a professional for consequential decisions.

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Short answer

Discount yield and investment return on a T-bill.

What is the Treasury Bill Calculator?

Discount yield and investment return on a T-bill.

How does the Treasury Bill Calculator work?

Enter the inputs above and read the result.

Formula

Discount yield = (F−P)/F × 360/days; Investment yield = (F−P)/P × 365/days

Variables

  • F,PFace value and purchase price

Explanation

T-bills are sold at a discount and pay face value at maturity, with no periodic coupon.

Examples

Applications

    Advantages

      Limitations

        Common mistakes

          Tips

            Related concepts

            The Treasury Bill Calculator sits inside the Finance Calculators hub, in the investing & retirement cluster. Growing capital and planning for withdrawal. Understanding the terms below makes the output easier to interpret and easier to compare against neighbouring measures.

            compound growthasset allocationwithdrawal rateyielddividend reinvestmentrisk-adjusted return

            Practical use cases and industry applications

            Understanding Treasury Bill

            Discount yield and investment return on a T-bill. Within finance calculators, treasury bill belongs to the investing & retirement cluster, where it shares terminology and assumptions with closely related tools.

            Learning how treasury bill is calculated

            T-bills are sold at a discount and pay face value at maturity, with no periodic coupon. Working through the variables one at a time — F,P — makes the result reproducible by hand and easier to sanity-check.

            Using treasury bill to make a decision

            Because outputs depend on the assumptions you enter, run more than one scenario before committing to a figure.

            How treasury bill compares with related measures

            compound growth, asset allocation, withdrawal rate, yield all describe adjacent aspects of investing & retirement. Comparing this calculator's output against those measures — using the related tools listed on this page — prevents a single metric from being read in isolation.

            Frequently asked questions

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