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Loss Ratio Calculator

Result

Calculated result 60 Based on the values entered.
↗ Finance

Loss Ratio Calculator The Loss Ratio Calculator measures insurance claims paid as a percentage of premiums earned. Enter claims and premiums to get the loss ratio, a key insurer profitability metric. — free online calculator.

Formula

Loss Ratio = Claims Paid ÷ Premiums Earned × 100
  • Loss Ratio Calculator calculates its result from Claims Paid, Premiums Earned. It uses the formula Loss Ratio = Claims Paid ÷ Premiums Earned × 100. Change any input to recalculate the result instantly.
  • The main inputs are Claims Paid, Premiums Earned. Enter them in the units and format shown in the calculator.
  • Use monetary amounts, rates and time periods exactly as labeled; the result reflects the assumptions entered on this page.
  • Changing any input above recalculates the result with the same calculation engine used by this page.

Example: Loss Ratio

Inputs
  • Claims Paid: 600000
  • Premiums Earned: 1000000

Using Claims Paid = 600000, Premiums Earned = 1000000, the calculated result is 60.

Sample result: Calculating…

Frequently asked questions

What does the Loss Ratio calculate?

Loss Ratio Calculator The Loss Ratio Calculator measures insurance claims paid as a percentage of premiums earned. Enter claims and premiums to get the loss ratio, a key insurer profitability metric. — free online calculator.

Which values should I enter?

Enter Claims Paid, Premiums Earned using the units and format shown beside each field.

What formula does this calculator use?

The calculator uses the following relationship: Loss Ratio = Claims Paid ÷ Premiums Earned × 100.

Why might my result differ from another source?

Results can differ when another source uses different units, rounding rules, conventions or assumptions. Compare the inputs and definitions before comparing results.

Does the result update automatically?

Yes. Changing an input updates the result using the same calculation engine shown on this page.

Page information

Updated: October 7, 2026