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Treasury bill (T-bill) yield calculator

The price and the investment yield of a Treasury bill from its discount rate and days to maturity.

  • Free
  • No sign-up
  • Works on any device

About Treasury bill (T-bill) yield calculator

Gives the price and investment yield of a Treasury bill from its discount rate and days to maturity. T-bills are sold at a discount to face value, and the difference is your interest. The investment yield is slightly higher than the discount rate, because it is based on the price paid.

How to use Treasury bill (T-bill) yield calculator

  1. Enter your numbers above.
  2. The result updates instantly as you type.
  3. Change any value to compare different cases.

Why use this tool?

Also known as

Frequently asked questions

Why is the T-bill yield higher than the discount rate?

The discount rate is figured on face value, while the yield is figured on the lower price you actually pay, so the same gain is a bigger percentage.

Is Treasury bill (T-bill) yield calculator free?

Yes. Treasury bill (T-bill) yield calculator on Toolipedia is free to use, with no sign-up and no watermark.

Is it safe to use?

Yes. Everything is worked out in your browser, and nothing you enter is sent to our server.

Does it work on my phone?

Yes. It works in any modern browser on Android and iPhone, as well as on tablets and computers. There's nothing to install.

Do I need an account?

No. Just open the page and use the tool. There's no sign-up and no email needed.

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