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Credit Utilization Ratio Calculator

Total balances / total credit limit.

Compute your credit utilization ratio across up to four credit cards (sum of balances / sum of limits). Reports per-card utilization and the overall ratio plus a credit-impact band.

Nadia Almasri By Nadia Almasri
Published Last reviewed 1 min read

Inputs

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Results

Enter values and click Calculate to see results.
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How to use this calculator

  1. Fill in the inputs above using the units you already have.
  2. Values update automatically as you type — no submit button needed.
  3. Hover any result row for the underlying formula and intermediate values.

Formula

Utilization % = Σ balances / Σ limits · 100. ≤ 30 % typically considered safe; ≤ 10 % preferred.

In depth

Compute your credit utilization ratio across up to four credit cards (sum of balances / sum of limits). Reports per-card utilization and the overall ratio plus a credit-impact band.