Know exactly what you owe
— now 50% off
W2 plus consulting plus a side project? MultiW2 models all three and shows the withholding gap your employers each miss. Annual Pro, half price, 72 hours only.
Product Hunt launch offer
50% off annual Pro
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Code auto-applies at checkout · Valid for 72 hours from our Product Hunt launch
Tax clarity for people with more than one W2
Four things other calculators miss when you work more than one job.
Multi-income math, solved
W2 plus consulting plus a side project? We model all three against real 2026 IRS brackets.
Catch the withholding gap
Each employer withholds as if they're your only job. We surface the real gap before the IRS does.
FIRE-friendly by default
Max 401(k), HSA, and mega-backdoor Roth across employers without tripping IRS limits.
Built for over-employment
Social Security overpayment detection, Medicare Additional Tax, W-4 tuning per job.
Ready to see your real tax picture?
Take the discount, or start free — the first calculation costs nothing either way.
Want to try it first? Run the demo calculator
MultiW2
You have multiple employers. Your tax tools don't.
Prefer to browse first? Free tier supports 3 jobs, exact W2 calculations, and Liability Estimator (±15%).