Free tools for the self-employed and 1099 contractors: estimate your self-employment tax, total tax owed, quarterly estimated payments, and whether an S-corp would save you money.
The four numbers every freelancer needs.
Your SE tax (Social Security + Medicare) and the deductible half.
Open calculator →Total tax on 1099 income — SE tax plus federal income tax.
Open calculator →Your four estimated quarterly payments.
Open calculator →How much an S-corp election could save you.
Open calculator →Work for yourself and you owe the full 15.3% self-employment tax on top of income tax — and the IRS wants it quarterly. These tools turn that into clear numbers so April never surprises you.