Free US tax calculators

Straight answers to
money questions.

Calculators for people who work for themselves. No signup, no email wall, no “create a free account to see your result”. You get the number, and the working behind it.

United States only. Every calculator here works to US federal tax rules. It will not give you the right answer for Canada, the UK or anywhere else.

Self-employed & freelance

The money questions that come with working for yourself — what you owe, what you keep, and what it costs to run. US federal tax rules.

Self-employment tax calculator

Work out your self-employment tax and quarterly estimated payments from your net profit — including the deduction most calculators leave out.

Take-home pay calculator

Gross to net by state — federal, state and local tax, so you can compare two offers or a move without guessing.

In development

LLC cost calculator

What forming an LLC actually costs in your state — filing fees, franchise tax and the annual report costs people forget about.

In development

Invoice generator

Make a clean, professional invoice PDF in your browser. Nothing uploaded, no account, no watermark.

In development

Freelance rate calculator

Turn the salary you want into an hourly rate that actually survives taxes, unpaid time and business costs.

In development

How this site works

The answer comes first

The calculator is at the top of every page. The explanation sits underneath it, for when you want to know why the number is what it is.

Your numbers stay yours

Calculations run in your browser. Nothing you type is sent to us, stored, or attached to your name.

We show our working

Every tool explains its method and says what it can’t account for. An estimate that hides its assumptions isn’t worth much.