Tax Withholding Calculator vs Self-Employment Tax Calculator
Two calculators for the same neighbourhood of questions. Here is what each measures, what you feed in, and where you'd reach for one over the other.
Tax Withholding Calculator
Estimate how much federal income tax should be withheld from each paycheck given your annual gross income, filing status, allowances, additional deductions, and any extra withholding you've requested. Use it to roughly check whether your current paycheck withholding is in the right ballpark or whether you should update your W-4.
- Answers
- Monthly Tax Withholding ($)
- Inputs
- Annual Gross Income, Filing Status, Allowances Claimed, Additional Deductions, Extra Withholding
Self-Employment Tax Calculator
Calculate self-employment tax — the Social Security and Medicare contributions that self-employed people pay on net business earnings, equivalent to both the employee and employer share of FICA combined. Use it to estimate quarterly tax payments and plan for the SE tax liability that's often the biggest tax surprise for new freelancers and business owners.
- Answers
- Self-Employment Tax ($)
- Inputs
- Net Self-Employment Earnings
At a glance
| Tax Withholding Calculator | Self-Employment Tax Calculator | |
|---|---|---|
| Category | Financial | Taxes |
| Answers | Monthly Tax Withholding | Self-Employment Tax |
| Inputs | 5 | 1 |
| Result unit | $ | $ |
When to use each
Estimate how much federal income tax should be withheld from each paycheck given your annual gross income, filing status, allowances, additional deductions, and any extra withholding you've requested. Use it to roughly check whether your current paycheck withholding is in the right ballpark or whether you should update your W-4.
Calculate self-employment tax — the Social Security and Medicare contributions that self-employed people pay on net business earnings, equivalent to both the employee and employer share of FICA combined. Use it to estimate quarterly tax payments and plan for the SE tax liability that's often the biggest tax surprise for new freelancers and business owners.