Savings Bond and Treasurys Calculators
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This page contains calculators to help reveal the benefits, drawbacks and differences of investing in U.S. savings bonds — I or EE — versus Treasury bills, bonds or notes.
Issuing debt in the form of bonds is one way the U.S. government raises money to fund its operations. U.S. debt securities are guaranteed by the government, and offer the benefit of being “risk-free” if held to maturity. They’re also state and local tax-free. (You still owe federal income taxes on interest earned.) The following calculators include:
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Savings bond calculator
Savings bonds are long-term investments with maturities of up to 30 years. They can be bought for as little as $25, and differ from other government investments in that they can be gifted. (You can name someone as the co-owner and beneficiary.) If you received a paper savings bond as a gift and don't know what to do with it, head to TreasuryDirect to see the value of your paper savings bond and learn how to cash out your investment.
Savings bonds are known as a “zero-coupon bond,” meaning instead of receiving ongoing interest payments, you receive a lump sum upon cashing out. They’re a type of investment bought at a discount, and upon maturity, you’re repaid the face value of the bond. The difference between the discount price and face value is your profit or “interest” earned.
Savings bonds come in one of two types: EE and I. EE bonds guarantee to double your money if held for 20 years, and their maturity may be extended to 30 years. They can be bought in penny increments from $25 to $10,000 per year per Social Security number.
I bonds are the other main type of savings bond and can be purchased in amounts from $25 up to $10,000 in electronic bonds and $5,000 in paper bonds per year. I bonds differ from EE bonds in that they earn an interest rate that adjusts for inflation.
Both types of savings bonds may be sold 12 months after purchase, but if sold before year five, investors will lose three months' worth of interest. Unlike other types of government securities, savings bonds cannot be resold or traded.
I bonds calculator
Savings bonds require a Social Security number to purchase, while Treasury securities require a taxpayer identification number. To invest in U.S. government bonds without these forms of documentation, learn more about government exchange-traded funds (ETFs).
Treasury bond and note calculator
U.S. Treasurys are types of government debt securities that vary in their interest rates, duration, risks and yields. Treasury bonds are another long-term debt security, maturing in 20 or 30 years. Treasury notes mature in two, three, five, seven or 10 years, and the 10-year Treasury note is one “risk-free” benchmark against which other investments are compared.
Treasury bills calculator
Treasury bills (T-bills) are the shortest-term U.S. debt security. The 3-month bill is often used as the short-term benchmark for what is considered “risk-free.”
Maturing in less than one year, T-bills differ from other Treasurys in terms of their interest rate structure. Treasury bills are a zero-coupon bond like savings bonds. Use the calculator below to explore how this works.
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