Money & Tax Guides
Plain-English explainers on paychecks, taxes and saving. Every dollar figure in these guides is computed live from the same audited engines that power our calculators — so the numbers you read here always match the tools.
GuideHow Much of My Paycheck Goes to Taxes?A clear, data-backed breakdown of what really comes out of a US paycheck in 2025 — federal income tax, Social Security, Medicare and state tax — and how the effective rate changes as your salary rises.GuideStates With No Income Tax — and What It's Really WorthNine US states charge no state income tax. See exactly how much more of a $100,000 salary you keep in each of them versus a high-tax state, using 2025 rates.GuideHow Much Should I Save for Retirement?A practical guide to retirement saving: how contribution rate, employer match and time in the market compound, with live projections showing the cost of starting late.