What this category covers
This category focuses on tax estimates, filing-related planning, and simple calculators that help users understand tax impact before filing.
Tax tools
Tax Calculators
Estimate taxes, brackets, and after-tax outcomes with calculators built for practical planning and simplified tax math.
Common calculator topics
This category includes self-employment tax, refund estimates, tax brackets, capital gains, sales tax, and withholding topics.
Available now
1 live calculator in this category, with each tool built as a dedicated page for easier comparison and revisits.
How to use these calculators
Tax estimates are useful before you file, not only when you are filing. Understanding your bracket, estimating your self-employment tax obligation, or projecting after-tax income from a new job or freelance arrangement helps you plan contributions, set aside cash, and avoid year-end surprises.
The calculators in this category are simplified planning tools. They use standard rate structures to generate estimates that can inform your decisions, but they do not account for every deduction, credit, filing status, local tax, or personal circumstance. Use them to frame the question, then verify with a tax professional or official software.
Self-employment tax is one of the most common sources of surprise for freelancers and contractors. Unlike W-2 employees, self-employed workers pay both the employer and employee portions of Social Security and Medicare taxes. The self-employment tax calculator puts a number on that obligation so it is not a shock at filing time.
Who this is for
- Freelancers and contractors estimating self-employment taxes on net income.
- W-2 employees or job changers trying to understand the tax impact of a new salary.
- People comparing 1099 and W-2 income structures to understand the real take-home difference.
- Anyone planning quarterly estimated tax payments based on income projections.
Common decisions this helps with
- How much of freelance or contract income should be set aside for tax obligations.
- How self-employment tax compares to employer-side coverage for a salaried W-2 employee.
- What effective and marginal tax rates may look like at a given income level.
- Whether the tax impact of a raise, bonus, or new income source changes a financial plan.
Choose the right calculator
Estimate self-employment taxUse the self-employment tax calculator when you earn freelance or contract income and want to estimate the SE tax owed on net earnings.Compare 1099 vs W-2 incomeUse the 1099 vs W-2 income calculator in the income category to understand after-tax and after-expense differences between employee and contractor work.Estimate take-home payUse the salary after tax calculator in the income category to estimate how gross pay may translate into spendable income.Plan for tax in a budgetUse the budget calculator in the planning category to understand how a tax bill or quarterly estimated payment fits within monthly cash flow.
Choose a calculator
Start with a focused estimate, then move to related calculators when you need to compare the next part of the decision.
Start here
These calculators are the clearest entry points for this category.
Category questions
What is self-employment tax?
Self-employment tax covers Social Security and Medicare contributions. W-2 employees split this cost with employers, but self-employed workers pay both sides. On net self-employment income above a threshold, the combined rate is 15.3%.
Do I need to pay quarterly estimated taxes?
If you expect to owe more than a certain threshold in tax not covered by withholding, the IRS generally requires quarterly estimated payments. The self-employment tax calculator can help you estimate annual liability to assess whether quarterly payments apply.
Are these calculators a substitute for a tax professional?
No. Tax calculators are simplified planning tools. Your actual liability depends on deductions, credits, filing status, state taxes, and other factors that a tax professional or official software can handle more precisely.
How does the standard deduction affect my estimate?
The standard deduction reduces taxable income before rates are applied. Check any calculator notes or assumptions to understand how deductions are handled, as not all tax calculators apply the standard deduction automatically.