Five calculators that answer the questions homebuyers, landlords, and borrowers actually ask — monthly payment, real return, and how fast debt disappears. Free, instant, no account needed.
Monthly payment including principal, interest, taxes, and insurance (PITI).
Cash flow, cap rate, and cash-on-cash return on a rental purchase.
Monthly payment and total interest on any personal, auto, or student loan.
See how contributions and time compound into future account value.
How many months until a balance is gone at your current payment.
Every calculator here runs entirely in your browser — nothing is uploaded, saved, or emailed anywhere. Enter numbers, get a real answer, adjust and see it change instantly. That's the whole product.
Buying a home? Start with the mortgage calculator for your realistic monthly payment. Buying to rent it out? The rental ROI calculator adds income and expenses to show actual return. Financing a car or consolidating debt? The loan calculator handles any fixed-rate loan. Already in debt? The payoff calculator shows your finish line.
The 28/36 rule, a salary-by-salary table, and what lenders really check.
Find your break-even point and avoid the term-reset trap.
Three ways to borrow against your home, and which costs least.
The math on $20,000 of credit card debt, fees included.
What it costs, when it ends, and how to drop it early.
The real cost difference on a $320,000 loan.
Why your early payments feel slow, and what actually speeds it up.
Two rental metrics that can disagree on the very same property.
The cheapest way to pay off debt vs. the way people actually finish.