I've been freelancing for 6 years, and my biggest mistake was saying yes to projects without calculating real profit.
A $3,000 project sounds great until you realize it took 40 hours, cost you $200 in tools, and the overhead ate another $450. Suddenly you're earning $58.75/hr — less than your day job rate.
That's why I built a simple Freelance Project Profitability Calculator in Google Sheets.
How it works:
- Enter your fixed fee or hourly rate
- Drop in estimated hours
- Add overhead (15% is standard for taxes + software + insurance)
- The sheet instantly shows your net profit and margin percentage
The 'what-if' tab lets you test scenarios: what if you raise your rate by $20? What if the project takes 5 more hours? See the impact before you commit.
The break-even calculator tells you the maximum hours you can spend on a fixed-fee project before you start losing money.
I use this before every proposal now. It's saved me from at least 3 bad deals this year alone.
Grab the ready-to-use template here: https://microtoolsb2b.gumroad.com/l/freelance-profit-calculator
Tags: freelancing, financialmodel, googlesheets, excel, productivity
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