Update: 4-Week T-Bill Equivalent Yield Calculator

One year ago, I had a post discussing the return of 4-week T-bill, whether it’s APR or APY, and how to calculate the equivalent yield based on the state income tax. In that post, only the formulas on how exactly the calculations should be done were given. Though it isn’t difficult to put the formulas in an spreadsheet and get the returns, I always feel it would be nice to have an online calculator so everybody can use it without requiring any extra resource.

Well, that’s finally done.

To calculate your equivalent yield, first find the latest 4-week T-bill APR from Treasury website (Investment rate %) and enter it in the T-Bill Investment Rate (%) field (no %, only the numerical value), then enter your state income tax rate in the State Income Tax Rate (%) box.

That’s all the calculator needs.

Though probably nobody really wants to buy 4-week T-bills now given the rates, hope this tool is helpful if you are interested in finding out your taxable equivalent yield

If you enjoyed reading this post, please consider subscribing to my full RSS feed (What's RSS feed?). Or you can also choose to have free daily updates delivered right to your inbox.

Featured Financial Products

• Feeling the pain at the pump? Find out how you can get up to 5% cash back with these gas rewards credit cards. It's the money you have to spend anyway. Why not get some back?
• Ready to buy stocks/ETFs with zero commission? Check out the Zecco review and try Zecco Trading to get 10 free trades/month.

Related Articles You Don't Want To Miss

• 2008 4-Week T-Bill Rate Update
• Lastest 4-Week T-Bill Rate at 5.243%, Highest of the Year
• 2006 4-Week T-Bill Rate Update
• Update on T-Bill Taxable Equivalent Yield
• Pull the Plug on T-Bill Purchases