Free money calculators for students, side hustlers and freelancers
Work out what a side hustle really pays, split rent fairly with roommates, and plan freelance income. Each calculator covers the United States and Canada and shows the rates it uses and where they come from.
For students and side hustlers
Side Hustle Calculator
How much of my side hustle income do I actually keep?
Subtracts the platform's fee, your business expenses and US self-employment tax or Canadian CPP contributions from what you earn each month.
Open the calculatorRoommate Splitter
What should each roommate pay?
Splits rent by bedroom size, shares the cost of common areas and bills evenly, and shows the gap between the highest and lowest payer.
Open the calculatorFor creators and freelancers
Creator Income Simulator
What could my audience earn across different income channels?
Combines ads, sponsorships, affiliate links and product sales using your own views and rates, so you can see which channel matters most.
Open the calculatorRunway Calculator
How long will my savings last between freelance projects?
Divides your savings by the monthly gap between your costs and your freelance income to show how many months you have.
Open the calculatorHow the calculators work
Rates shown with sources
Every tax rate and platform fee a calculator uses is listed next to it, with a link to the official page it came from. Rates were last checked on September 25, 2026.
Your numbers stay with you
Calculations run in your browser. What you type into a calculator isn't sent to us or saved anywhere.
Spot a mistake? Tell us
Rules and fees change. If something looks wrong or out of date, send us a note and we'll check it.