Self-Employed Tax Estimator — Quarterly Tax Calculator for Freelancers (Excel + Google Sheets)
Never get blindsided by a tax bill again.
The Self-Employed Tax Estimator turns the messiest part of freelance life — guessing what you owe the IRS — into a 60-second spreadsheet calculation. Type in your expected income, your expenses, and your state. The template instantly tells you:
- Your quarterly estimated payment (with the IRS due date)
- Your self-employment tax (Social Security + Medicare)
- Your federal income tax estimate
- Your state tax estimate
- How much to set aside from every invoice so you're never short
Built for: US freelancers, 1099 contractors, consultants, coaches, designers, developers, virtual assistants — anyone self-employed who doesn't have a CPA on speed dial.
What's inside the spreadsheet:
- Income & expense input tab (just type your numbers)
- Self-employment tax calculator (15.3% with auto wage-base cap)
- Federal income bracket calculator (current-year brackets)
- State tax estimator (editable for your state's rate)
- Quarterly payment schedule with all four IRS due dates
- “Set-aside %” calculator — know exactly how much of each invoice goes to taxes
- Assumptions tab (you control every rate)
How it works (under 5 minutes):
- Download the file (Excel or Google Sheets — both included)
- Enter your expected income, expenses, and state
- Read your numbers. Done.
Why freelancers love it:
- No subscriptions. No logins. No monthly fees.
- Works offline in Excel, online in Google Sheets
- You own the file — edit, customize, copy it forever
- Instant digital download — start in under 5 minutes
Frequently asked:
Does it work for my state? Yes — the state tab is editable, just type your state's effective rate (we tell you where to find it).
Do I need Excel? No. Works perfectly in free Google Sheets.
Is this tax advice? No — it's a planning tool to help you set aside the right amount. Always run final numbers by a CPA.
What if I want a refund? 14-day no-questions refund.
Want even more control? Get this template plus 4 more (budget tracker, invoice tracker, mileage log, rate calculator) in the Freelancer Finance Starter Bundle — save 50%.
Instant digital download. No physical product ships. Estimates are for planning only and not tax or financial advice.