Tax Rates
Tax rate reference for federal brackets, LTCG, and NIIT thresholds
Review current and projected federal tax brackets, state overlays, long-term capital gains rates, NIIT thresholds, and filing-status differences used in ArthaPilot tax modeling.
Review federal brackets, state rates, long-term capital gains rates, and net investment income tax thresholds for your filing status.
These rates are inputs to tax-aware backtests, AMT calculations, and retirement-tax comparisons.
What this reference covers
- Federal ordinary income brackets by filing status.
- Long-term capital gains rate tiers and NIIT thresholds.
- AMT exemption amounts and phase-out ranges.
What to watch for
- Legislative changes that may alter brackets or sunset provisions.
- Filing-status differences that materially change effective rates.
- Whether the state overlay matches the resident state and tax year you want to evaluate.
Tools that use these rates
- Tax-Aware Backtesting for lot-level after-tax results.
- AMT Calculator for ISO exercise and AMT credit recovery.
- 401(k): Pre-tax vs Roth for retirement contribution comparisons.
FAQ
- Does ArthaPilot model state taxes?
- Yes. Pick a resident state in the Tax Rates tool and the chart and calculator overlay the state schedule (latest published year) alongside the federal results. The full-kernel sweep also annotates IRMAA, NIIT, Social Security taxability, and ACA subsidy cliffs.