You can also use the calculator to determine the worth of ... Savings bond purchased in October 1994 would be worth today. EE bonds are guaranteed to double in value after 20 years.

Savings bonds have a low-risk, low-reward structure that benefits patient investors. See what to consider before investing.

Use the TreasuryDirect Savings Bond Calculator: This will help you determine ... They share the same maturity and interest rules as Series EE Bonds. Can Patriot Bonds be sold or redeemed before ...