What this loss ratio calculator does
This calculator finds an insurer's loss ratio. You enter the claims paid and the premiums earned. The tool then shows the figure as a percent. It reveals how much of each premium goes to claims. This is a key insurance measure. You can run a few what-ifs. The result helps you judge underwriting.
What the loss ratio is
The loss ratio is an insurance measure. It is the claims paid divided by the premiums earned. So it shows claims as a share of premiums. A lower figure means more is kept. It is central to underwriting. It is widely used in insurance. It is shown as a percent.
How it is calculated
The math behind it is straightforward. You take the claims paid. Then you divide by the premiums earned. You multiply by one hundred. That gives the loss ratio. The calculator works it out for you.
What the result tells you
The result shows the loss ratio. A loss ratio of sixty-five percent means that share goes to claims. A higher percent means more claims. A lower one means fewer claims. So it shows your claims burden. It puts claims against premiums. It is a clean underwriting signal.
Why the loss ratio matters
The loss ratio reveals your underwriting health. It shows how claims compare to premiums. A high ratio can signal underpricing. A low ratio can signal strong pricing. It drives an insurer's profit. Regulators watch it closely. It is core to insurance.
What a high or low ratio means
A high ratio means heavy claims. Premiums barely cover the payouts. A low ratio means light claims. The insurer keeps more of each premium. So a lower ratio is better for profit. But a very low one can mean overpricing. Balance is the goal here.
The loss ratio and the combined ratio
The loss ratio covers only claims. The combined ratio adds expenses too. So the combined ratio is always higher. A combined ratio over one hundred means a loss. The loss ratio is the larger part. So read the two together. They tell the fuller story.
How to use it
Enter the claims paid first. Add the premiums earned next. Read the loss ratio as a percent. See how much goes to claims. Then test a few other numbers. Check a range of periods. Use it to judge underwriting.
The limits of the loss ratio
The loss ratio has clear limits. It ignores the insurer's expenses. So it misses part of the cost. It can swing with big events. One disaster can spike it. So pair it with the combined ratio. So read the result with a clear head.
Common mistakes to avoid
A common mistake is ignoring expenses. The loss ratio leaves them out. Another is reading one period alone. A big event can distort it. Some mix earned and written premiums. Others forget reserve changes. Seeing the full picture helps you avoid them.
A final tip
Use the loss ratio to judge underwriting. Remember it is claims paid over premiums earned. Pair it with the combined ratio. Watch the trend, not one figure. Use earned premiums, not written ones. Do not ignore the insurer's expenses. A careful pass makes the number reliable.