The Finance Algorithm
17 calculators · free · no signup

Credit Card.

Compare cards, manage debt, and maximize rewards with smart credit card tools

Live · today
RBA 4.35%
RBA Cash Rate
4.35%
Held since May 26
ASX 200
8,765.3
+0.38% day
AUD/USD
0.7059
-0.86% day
Inflation (annual, Jun Q26)
3.8%
trimmed mean 3.9%
§ Calculators

All 17 credit card calculators

Free, instant, no signup. Every result shows its working and can be handed to the assistant.

Most-used

Credit Card Interest Calculator

Calculate how much interest you're paying on your credit card balance

Open

Credit Card Comparison Calculator

Compare credit cards by rates, fees, rewards, and find the best match

Open

Balance Transfer Calculator

Calculate savings from transferring your balance to a 0% interest card

Open

Minimum Payment Calculator

See how long it takes to pay off debt with minimum payments only

Open

Credit Card Payoff Calculator

Plan your debt-free date with a customized payoff strategy

Open

Debt Consolidation Calculator

Combine multiple credit card debts into one manageable payment

Open

Credit Utilization Calculator

Calculate your credit utilization ratio and its impact on your credit score

Open

Credit Score Impact Calculator

Understand how credit cards and debt management affect your credit score

Open

Rewards Points Calculator

Calculate the real value of your credit card rewards and points

Open

Cashback Calculator

Calculate your annual cashback earnings from credit card spending

Open

Annual Fee vs Benefits Calculator

Calculate if your credit card's annual fee is worth it

Open

Interest-Free Period Calculator

Understand and maximize your credit card's interest-free period

Open

Cash Advance Calculator

Calculate the true cost of credit card cash advances and ATM withdrawals

Open

Foreign Transaction Calculator

Calculate the true cost of using your credit card overseas

Open

Credit Limit Calculator

Estimate your likely credit limit and understand what affects it

Open

Buy Now Pay Later Impact Calculator

Assess interest, fees, and long-term costs of Buy Now Pay Later usage.

Open

Credit Score Simulator

Simulate impact of credit actions on your credit score. Uses Australian scoring models and guides for 2026.

Open
§ Live products

The real products, as published.

Run the numbers here, then compare against what every provider actually publishes under the Consumer Data Right, refreshed nightly.

§ FAQ

Questions Australians actually ask the AI.

Drawn from real conversations with the Credit Card Assistant. Click any to open it in chat.

How does credit card work in Australia?

Our credit card calculators apply the same formulas, brackets and buffers that banks and the ATO use internally. We update assumptions weekly from RBA, APRA and ATO releases. Run the math →

Are the numbers reliable?

Yes—every calculation is auditable. We show the working, and the rates come from what every bank publishes under the Consumer Data Right, the RBA cash rate and ATO 2026 brackets. They're estimates, not advice. Run the math →

Do I need to sign up?

No. There are no signups and no upsells. The calculators run in your browser — only a question you choose to send the assistant leaves it. We earn nothing from any bank or product. The math is the product. Run the math →

What can the AI assistant do?

Ask questions in plain English. The assistant runs the calculators live, cites the formulas, and explains the result in your situation—linking back to the underlying tools. Run the math →