What Is Available Credit?
Available credit is the amount you can still borrow or spend on a credit card or line of credit. It is what remains after your current balance and any pending (not-yet-posted) charges are subtracted from your total credit limit. Knowing this number helps you avoid declined transactions, over-limit fees, and surprises at checkout.
How to Use This Calculator
Enter your credit limit, your current balance (what you already owe), and any pending charges that haven't posted yet. The calculator returns your available credit, your total credit used, and your credit utilization ratio — a key factor in your credit score.
The Formula
The math is a simple subtraction:
$$\text{Available Credit} = \text{Credit Limit} - \text{Current Balance} - \text{Pending Charges}$$
Utilization is calculated as $$\text{Utilization} = \frac{\text{Balance} + \text{Pending}}{\text{Limit}} \times 100$$ Many lenders suggest keeping utilization below \(30\%\) to protect your credit score.
Worked Example
Suppose your credit limit is $5,000, your current balance is $1,200, and you have $300 in pending charges. Your available credit is $$\$5{,}000 - \$1{,}200 - \$300 = \$3{,}500$$ Your credit used is $1,500, giving a utilization of $$\$1{,}500 \div \$5{,}000 \times 100 = 30\%$$
FAQ
Why is my available credit lower than my limit minus balance? Pending charges (authorizations like gas holds or hotel deposits) reduce available credit before they post.
Can available credit be negative? Yes — if charges push you over your limit, the result is negative, signaling an over-limit situation.
Does available credit affect my credit score? Indirectly. High utilization (low available credit relative to your limit) can lower your score.