Contact

Report an error, a rate change or a question by email.

[email protected]

When you report an error

• Which calculator or salary page, and the values you entered
• The result you got and the result you expected
• Your source, such as a pay stub line, an IRS page or a state tax agency page

Please hide names, Social Security numbers and addresses on any pay stub or letter you attach. Email is handled under the privacy policy.

This is not a helpline for your own tax position. For that, contact the IRS, your state tax agency or a licensed CPA or enrolled agent.