The Finance Algorithm
§ Tool · tier 1 · independent

Credit Limit Calculator.

Estimate your likely credit limit and understand what affects it

CalculatorFree, no signupOn-deviceupd May 2026
Inputs
Your numbers
$
$80k
$
$0

Investments, rent, etc.

$
$5k
$
$3k
$
$500

Mortgage, car loan, personal loan

Higher scores unlock larger limits

Lenders are more conservative with variable income

Math updates live as you change inputs · AI runs on submit

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.

Wondering what credit limit you'll get? Lenders look at your income, existing debts, and credit history. This calculator estimates your likely limit.

§ Worked examples

Real-world scenarios

First-Time Applicant

$70,000 income, no existing cards, $2,500 monthly expenses, good credit score.

Inputs

income:70,000existing:0expenses:2,500score:Good

Monthly surplus: ~$3,330. Estimated limit: $5,000-$15,000 depending on the card and lender. Premium cards may offer higher limits.

§ FAQ

Questions Australians ask

§ Glossary

Plain-English definitions

Credit Limit
The maximum amount you can charge to your credit card.
Available Credit
Credit limit minus current balance - what you can still spend.
Responsible Lending
Regulations requiring lenders to ensure you can afford repayments.