Updated for the 2026 tax year
Calculators that actually know which state you're in
Most calculators give you a national average. Ours use the real rules for your state — tax brackets, filing fees, benefit thresholds — and show you the source and the date we last checked it.
Every state, not an average
All 50 states plus DC, each with its own rates, thresholds and rules — never a national approximation.
Sources on every page
Each figure links to the IRS publication, state statute or agency schedule it came from.
Dated, not stale
Pages carry a "last verified" date so you know the numbers still apply before you rely on them.