Gain Tax Calculator delivers instant capital gains answers
Project federal and state capital gains taxes in minutes and see every lever that changes what you owe.
Use purpose-built calculators for investments, real estate, and crypto to compare holding periods, locations, and deductions before you file.

Run a quick Gain Tax Calculator estimate
Enter the basics for a single asset sale to preview 2025 federal and state capital gains tax before you commit to the transaction.
Why investors trust Gain Tax Calculator
Every workflow starts with the core capital gains calculator, then layers on strategy guidance tailored to each asset.
Guided capital gains calculator
Enter sale details once to see federal, state, and NIIT outcomes across filing statuses and holding periods.
Strategy comparisons made simple
Model sale timing, income shifts, and residency moves side by side to spot the lowest tax liability.
Expert context at every step
Follow plain-language explanations that translate IRS rules into the actions relevant to your situation.
CPA-reviewed logic
Calculation engines vetted by a network of credentialed tax professionals.
Source-linked data
Every tax rate references current IRS publications and state revenue notices.
Secure inputs
Calculations run in-memory onlyโno investment data is ever stored or sold.
Gain Tax Calculator modules at a glance
Each module uses the same Gain Tax Calculator engine, so numbers stay consistent whether you start with a quick estimate or a deep planning session.
Capital gains calculator
Run Gain Tax Calculator estimates with federal, state, and NIIT breakdowns before you execute a trade.
Scenario planner
Compare holding periods, filing statuses, and residency changes to reveal the lowest tax outcome.
Real estate capital gains calculator
Evaluate exclusions, capital improvements, and depreciation recapture before you sell a property.
Start with the calculator you need
Jump straight into the Gain Tax Calculator modules for your next decision.
Stay proactive with Gain Tax Calculator
Track gain thresholds, plan loss harvesting, and revisit scenarios whenever the market moves.