Free budget calculators
Six calculators, no signup, no email gate — they run entirely in your browser. Built by the team behind Cash Compass, the privacy-first iPhone expense tracker.
50/30/20 Budget Calculator
Enter your monthly take-home pay and get your needs, wants, and savings targets instantly — plus the adjusted splits that work when housing costs blow past the classic rule.
Open calculator →Rent Affordability Calculator
Enter your income and the calculator shows your rent ceiling at three burden levels — including the utilities the classic 30% rule was always supposed to count.
Open calculator →Emergency Fund Calculator
Enter your essential monthly expenses and current savings rate — get your staged targets ($500 starter → 3 months → 6 months) and how long each takes.
Open calculator →Debt Payoff Calculator: Avalanche vs Snowball
Enter your debts and extra monthly payment — see both payoff methods side by side: months to debt-free and total interest paid under each.
Open calculator →Savings Goal Calculator
Enter your target, what you'll save monthly, and your account's APY — get the real date you hit the goal, with compounding included.
Open calculator →Biweekly Budget Calculator
Paid every two weeks? Enter your check amount — get the honest monthly budget number, your two 3-paycheck months this year, and a per-check split.
Open calculator →