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Investing tax calculators for 2025-2026

Plan for capital gains and investment taxes before you sell. These calculators cover dividends, NIIT, AMT risk, wash sales, and tax-loss harvesting strategies.

Tools in Investing

Estimate investment tax outcomes and compare timing scenarios to reduce surprises.

AMT risk checker (stock options focus)

Search intent: AMT calculator ISO

Capital gains tax calculator

Search intent: capital gains tax calculator

Crypto tax summary importer (basic)

Search intent: crypto tax calculator

Dividend tax estimator

Search intent: dividend tax calculator

Net Investment Income Tax (NIIT) estimator

Search intent: NIIT calculator

Sell now vs wait simulator

Search intent: sell now or wait capital gains

Tax-loss harvesting helper

Search intent: tax loss harvesting calculator

Wash sale checker (simple)

Search intent: wash sale rule checker

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TaxGuide Pro turns IRS and state tax rules into instant calculators for 2025 and 2026 returns, with clear explanations and next steps to avoid penalties and overpaying.

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Federal basics

  • Federal tax refund estimator
  • Tax bracket calculator
  • Filing status chooser
  • Standard vs itemized

Withholding & paychecks

  • W-4 withholding calculator
  • Paycheck take-home calculator
  • Multiple jobs withholding
  • Bonus withholding calculator

Self-employed

  • 1099 tax estimator
  • Self-employment tax calculator
  • Quarterly estimated payments
  • Home office deduction
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