§ Tool · tier 1 · independent
Credit Utilization Calculator.
Calculate your credit utilization ratio and its impact on your credit score
CalculatorFree, no signupOn-deviceupd May 2026
Inputs
Your numbers
Awaiting inputs
Move the sliders or type in the form on the left — the math updates live as you go. Click Get AI verdict when you want a written analysis.
Credit utilization is the #2 factor in your credit score (after payment history). This calculator shows your current ratio and how to optimize it.
§ Worked examples
Real-world scenarios
Multi-Card Utilization
Card 1: $3,000 of $10,000 limit. Card 2: $4,500 of $5,000 limit. Card 3: $0 of $8,000 limit.
Inputs
card1Limit:10,000card1Balance:3,000card2Limit:5,000card2Balance:4,500card3Limit:8,000card3Balance:0
Overall: $7,500 of $23,000 = 32.6% (Fair). But Card 2 is at 90%! This single maxed card hurts your score. Pay Card 2 down first.
§ FAQ
Questions Australians ask
§ GlossaryCredit Utilization The percentage of your available credit that you're using. Statement Closing Date When your card issuer calculates your statement and reports to credit bureaus. Credit Limit The maximum amount you can charge to a credit card.