How much will my1998 savings bonds worth after 30 years?

The value of your 1998 savings bonds after 30 years depends on the specific type of bond (e.g., Series EE or Series I) and the interest rate it earned. Generally, Series EE bonds issued in 1998 earn interest for up to 30 years, and the final value can be calculated using the bond's face value and the accumulated interest over that period. You can find the current value by using the U.S. Treasury's online Savings Bond Calculator.