I Bond Value Formula:
From: | To: |
I Bond Value Calculation determines the current worth of Series I savings bonds based on purchase amount, fixed rate, semiannual inflation rate, and holding period. I Bonds are U.S. Treasury savings bonds that protect against inflation.
The calculator uses the I Bond value formula:
Where:
Explanation: The formula combines fixed and inflation components with semiannual compounding to calculate the bond's current value.
Details: Accurate I Bond valuation helps investors track investment performance, plan financial goals, and make informed decisions about holding or redeeming bonds.
Tips: Enter purchase amount in USD, fixed rate and inflation rate as decimals (e.g., 0.025 for 2.5%), and years held. All values must be non-negative.
Q1: What are I Bonds?
A: I Bonds are U.S. savings bonds that earn interest based on a combination of fixed rate and inflation rate, providing inflation protection.
Q2: How often do inflation rates change?
A: Inflation rates for I Bonds are adjusted semiannually in May and November based on CPI-U data.
Q3: What is the minimum holding period?
A: I Bonds must be held for at least 1 year, with penalties for redemption within first 5 years.
Q4: Are there purchase limits?
A: Yes, annual purchase limits apply per Social Security number ($10,000 electronic, $5,000 paper via tax refund).
Q5: How are I Bonds taxed?
A: Federal income tax applies but state and local taxes are exempt. Tax can be deferred until redemption or maturity.