What this calculator does
Credit utilization ratio works out how much of your available credit is in use, per card and overall. Enter your own figures above and the answer updates as you type: nothing is fixed in the code, so the result reflects exactly the numbers you supply.
The formula this calculator evaluates is printed under the tool and explained below, so you can check the working by hand or reuse it in a spreadsheet.
The formula
FormulaUtilization = Total balance used / Total credit limit × 100, for each card and combined
The inputs explained
| Field | What to enter |
|---|---|
| Balances (comma separated, one per card) | A list of numbers, separated by commas or spaces. |
| Credit limits (comma separated, same order) | A list of numbers, separated by commas or spaces. |