Free tools
Budgeting calculators that give you real numbers
No signup. No email required. Just enter your numbers and get an honest answer. Every tool here is built around the methods covered on this site.
Savings
Emergency Fund Calculator
Enter your actual monthly expenses and find out exactly how much you need for a 3, 6, or 9-month emergency fund — plus how long it will take you to get there.
Use the calculator
Budgeting
Zero-Based Budget Builder
Build a real zero-based budget in minutes. Enter your take-home pay, assign every dollar to a category, and watch the tracker zero out. Add or remove categories as needed.
Build your budget
Coming soon
Debt Payoff Calculator
Compare the snowball and avalanche methods side by side. See which one gets you debt-free faster based on your actual balances and interest rates.
Coming soon
50/30/20 Budget Splitter
Enter your income and see exactly how the 50/30/20 rule splits your money — and whether your actual expenses fit the formula or break it.
Why these tools exist
Your numbers stay in your browser. Nothing is sent anywhere. No account, no email, no tracking.
Every tool matches a method covered in depth on this site. The calculator and the article work together.
These tools give you the number, not a pitch. No “upgrade to see your full results.” Just the answer.