Money decisions
Compare the real tradeoffs behind the biggest choices in your financial life.
Make the numbers useful
Each tool is designed to explain the tradeoff, show what drives the result, and give you a decision score.
Rent vs buy
Compare net cost, equity, appreciation, and flexibility.
Refinance break-even
Find when lower payments recover the upfront closing costs.
Pay off debt vs invest
Compare guaranteed interest savings with expected investment growth.
Emergency fund calculator
Size a cushion around your household and job stability.
Can I afford to quit my job?
Stress-test savings, benefits, expenses, and a job-search runway.
Can I afford a career break?
Model your runway, lost income, and return-to-work buffer.
How to use money decisions tools
Begin with the tool that matches the decision in front of you and enter figures you can verify. Test a realistic case, a conservative case, and the point where your preferred option stops working. That range is usually more useful than a single optimistic result.
Review the assumptions behind each result—especially time horizon, taxes, recurring costs, financing, and opportunity cost. The tools in this everyday money collection are designed to expose those tradeoffs so you can compare choices consistently, not to predict an exact outcome.
Not sure where to start?
Browse all decision categories or use the classic calculator library for a quick one-number calculation.