Corrections policy

Accuracy matters

Accurate outputs matter. We welcome specific reports about formulas, constants, code, source interpretation, accessibility and written explanations.

How to report an error

Use the contact form and provide the URL, your inputs, the result shown, the result you expected and a reliable supporting source.

Our response

1. Reproduce the reported result.
2. Check the implemented formula against the cited primary source.
3. Test the correction against ordinary and boundary inputs.
4. Update the page and its reviewed date only when the change is material.
5. Add a visible correction note when the previous output could have affected an important decision.

Scope

Typographical corrections may be made without a public note when they do not change meaning. Formula, rate, regulation, unit-conversion or methodology corrections are documented and dated.

Change log

October 5, 2026

• Site focus narrowed to finance and construction. Pages outside these topics, and pages that duplicated another page's search intent, were removed.
• Updated to 2026 federal figures from IRS Rev. Proc. 2025-32, the IRS 2026 retirement-plan limits and the SSA wage base: tax brackets, standard deductions, Social Security wage base (

  Scope

  Typographical corrections may be made without a public note when they do not change meaning. Formula, rate, regulation, unit-conversion or methodology corrections are documented and dated.

  84,500), 401(k) limit ($24,500) and IRA limit ($7,500). Affected calculators: paycheck, RSU tax, self-employed tax, side-hustle tax, capital gains, 457(b), S-corp reasonable salary and the finance guide.
• Fixed JavaScript errors that stopped about two dozen calculators from running, a year selector that silently used the wrong year's data, and a payoff comparison that displayed NaN.
• Removed unsupported "verified" claims and automatic "last verified" dates; replaced broken reference links.