FinanceCalcAI

Loan Calculator

Enter your loan amount, interest rate, and term to see your monthly payment and total cost. AI checks if the loan fits your budget.

Loan Details
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How Is a Loan Payment Calculated?

Personal loan payments are calculated using the standard amortization formula: M = P × [r(1+r)^n] / [(1+r)^n − 1], where P is the principal, r is the monthly interest rate (annual rate ÷ 12), and n is the total number of payments. Early payments go mostly toward interest; later payments go mostly toward principal. This calculator shows the exact breakdown for each period so you can see how the split changes over time.

What Is a Good Interest Rate for a Personal Loan?

In 2024–2025, average personal loan rates in the US range from 8% to 36%, depending heavily on credit score. Excellent credit (720+) typically gets 8–13%. Good credit (680–719) gets 13–20%. Fair credit (640–679) often sees 20–28%. Below 640, rates can exceed 30%. Credit unions and online lenders often beat big banks by 2–5 percentage points on the same credit profile.

How Much Personal Loan Can I Afford?

A common rule is to keep your total monthly debt payments — including the new loan — below 36% of gross monthly income. For example, if you earn $5,000/month, your maximum total debt payments should be $1,800. If you already pay $800 in rent and car payments, you can comfortably afford up to $1,000/month for a new loan. Our AI insight calculates this for you automatically when you enter your monthly income.

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