Bond Interest Tax Calculator

Calculate taxes on bond interest and compare tax-equivalent yields for 2025

Bond Information

Used for tax-equivalent yield calculations
Used to determine tax brackets
Your marginal state income tax rate

Tax Calculation Results

Bond Type: -
Annual Interest: $0
Federal Tax: $0
State Tax: $0
NIIT (3.8%): $0
Total Tax: $0
After-Tax Income: $0
Effective Tax Rate: 0%

Tax-Equivalent Yield Analysis

Current Yield: 0%
Tax-Equivalent Yield: 0%
After-Tax Yield: 0%

Bond Comparison

Corporate Bonds

  • Interest fully taxable at federal and state level
  • Subject to ordinary income tax rates
  • May be subject to Net Investment Income Tax
  • No special tax advantages

U.S. Treasury Bonds

  • Interest taxable at federal level
  • Exempt from state and local taxes
  • Subject to ordinary income tax rates
  • May be subject to Net Investment Income Tax

Municipal Bonds

  • Interest generally exempt from federal tax
  • May be exempt from state tax if in-state
  • Private activity bonds subject to AMT
  • Capital gains/losses still taxable

U.S. Savings Bonds

  • Interest taxable at federal level
  • Exempt from state and local taxes
  • Can defer tax until redemption
  • Education exclusion may apply

TIPS (Treasury Inflation-Protected Securities)

  • Interest and inflation adjustments taxable
  • Phantom income on principal adjustments
  • Exempt from state and local taxes
  • Consider holding in tax-deferred accounts

Tax Planning Strategies

  • Compare tax-equivalent yields
  • Consider tax-deferred accounts for taxable bonds
  • Municipal bonds for high-income taxpayers
  • Harvest losses on bond sales

Important Disclaimer

This calculator is for educational purposes only and should not be considered as professional tax or investment advice. Bond taxation involves complex rules that vary by bond type, holding period, and individual circumstances. Municipal bond taxation can be particularly complex with AMT implications and state-specific rules. Always consult with qualified tax and investment professionals before making bond investment decisions. The IRS provides detailed guidance in Publication 550 and other materials.