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Monthly Budget Calculator
Income minus expenses, category shares, and gentle observations — printable, no account.
開く →50/30/20 Calculator
Take-home pay split into needs, wants, and savings lanes.
開く →Subscription Cost Calculator
Every recurring charge at monthly, yearly and five-year cost — the audit that funds emergency funds.
開く →Rent Affordability Calculator
The 30% guideline, the conservative line, and the landlord screen — on your income.
開く →Car Affordability Calculator
Work backward from your income to a sane car price — insurance included.
開く →Where Did My Money Go?
Last month's real spending, ranked — the 10-minute forensic that finds the leaks.
開く →貯蓄
Emergency Fund Calculator
Your target from YOUR essential month — with a real date at your saving pace.
開く →Savings Goal Calculator
Any target becomes a monthly number and an honest date.
開く →Compound Savings Calculator
Contributions vs. growth over the years — with the chart that explains compounding.
開く →How Long Until I Save $1,000?
A weekly amount becomes a countdown — with the shortcuts that move the date.
開く →Interest Rate Comparison
The same balance at five different rates — one year and five years out.
開く →借金
Debt Payoff Calculator
Up to six debts: snowball vs. avalanche, payoff dates, total interest, and what +$25 to +$250 a month changes.
開く →Credit Card Interest Calculator
What a balance really costs at your APR — and what doubling the payment changes.
開く →Loan Payment Calculator
Monthly payment and total interest for any fixed-rate loan.
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