Effective date: October 1, 2026
By accessing or using Payroll Stack (“the Service”) at https://payroll-stack.com, you agree to be bound by these Terms and Conditions. If you do not agree, please do not use the Service.
Payroll Stack provides free calculators that estimate US paycheck withholding and pay conversions. You may use them for your own personal or business information, lawfully and in line with these Terms.
The calculators give estimates only, not tax, legal or financial advice. Results use the 2026 IRS and state withholding formulas as published on the dates shown on our methodology page and assume the information you enter is complete and correct. Your employer's payroll and your actual tax return may differ. Do not rely on a result to file a return, set up payroll, or make a financial decision without checking it with the IRS Tax Withholding Estimator (irs.gov/w4app), your employer, or a qualified tax professional.
Payroll Stack is not a payroll provider, does not run payroll, file taxes or hold money for anyone, and is not affiliated with the IRS, any state agency, or any payroll company.
The calculators need no account. We do not ask you to sign up, and the amounts you enter are processed in your browser and are not sent to us.
All content, trademarks, logos, and intellectual property on the Service are owned by or licensed to Payroll Stack. You may not reproduce, distribute, or create derivative works without our prior written consent.
The Service and every result are provided “as is” and “as available”, without warranties of any kind, express or implied, including accuracy, completeness and fitness for a particular purpose. Tax rules change and can be applied differently to your situation; we do not warrant that any figure is current or correct for you.
To the fullest extent permitted by law, Payroll Stack shall not be liable for any indirect, incidental, special, consequential, or punitive damages arising from your use of the Service.
These Terms are governed by the laws of the United States and of the state in which the operator of Payroll Stack is based, without regard to conflict-of-law rules.
We may update these Terms from time to time. We will notify you of significant changes by updating the effective date above. Continued use of the Service after changes constitutes acceptance of the new Terms.
For questions about these Terms, contact legal@payroll-stack.com.