Credit Card Basics & Calculators
Understand revolving interest, minimum payments, installments, cash advances, JCIC credit scoring, and utilization.
The calculator mascot works best here
This version makes the message clear: before using revolving credit, installments, or cash advances, calculate the real cost first.
Practical calculators
Credit Card Revolving Interest Calculator
Estimate revolving interest on unpaid card balances.
Credit CardsCredit Card Minimum-Payment Payoff Simulator
Model payoff time using your issuer's minimum-payment formula assumptions.
Credit CardsCredit Card Installment Cost Calculator
Calculate installment payment and total cost including fees.
Credit ManagementCredit Utilization Calculator
Estimate credit-card utilization using balances and total limits.
Credit CardsCredit Card Cash Advance Cost Calculator
Estimate cash-advance fees and interest.
Guides
Credit Card Basics: A Credit Limit Is Not Extra Income
A credit card is a short-term credit tool. The credit limit is borrowing capacity, not additional income.
How Credit Card Revolving Interest Works in Taiwan
Taiwan credit-card revolving rates may not exceed 15% annually, but the actual rate and interest start date depend on the issuer's contract.
What Happens If You Only Pay the Minimum on a Credit Card?
The minimum payment is a required threshold, not a free installment plan. Unpaid eligible balances can enter revolving credit and accrue interest.
Credit Card Installments: Zero Interest Does Not Always Mean Zero Cost
A zero-interest card installment may still involve fees or cash-flow commitments.
Credit Card Cash Advances: Fees Plus Possible Revolving Interest
Cash advances may carry a fee and, if not fully repaid by the due date, revolving interest on the unpaid amount.
Credit Utilization and Taiwan Credit Scoring
Taiwan's JCIC states that credit-card utilization and debt patterns such as revolving credit and cash advances are part of the credit-information categories used in scoring.
Does Having More Credit Cards Automatically Lower Your Taiwan Credit Score?
JCIC states that the number of credit cards itself is not included as a direct personal credit-score factor.
Late Credit Card Payments: Why Payment History Matters
JCIC credit scoring considers payment behavior, including the severity, frequency, and timing of late payments.
How to Get Your JCIC Credit Report in Taiwan
JCIC provides personal credit reports, with an annual first free Chinese report under its current fee schedule.
Credit Card Online Security: Basic Habits Against Fraud
Taiwan's Banking Bureau warns that card-not-present online transactions are a common fraud pattern.
Loan Shopping and the JCIC 30-Day Credit Inquiry Rule
JCIC states that new-business credit inquiries within each 30-day window in the most recent year are treated as one credit need for scoring.