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Loss Ratio Calculator.
Calculate insurance losses as a percentage of earned premiums.
此计算器尚未完全翻译——部分文本以英文显示。
设备端计算无需注册
01
输入数值
输入时结果会更新。
02 / 答案
Loss ratio: 30% %
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Cite this calculator
Canonical URL: https://mathify.one/zh/finance/loss-ratio
Cite as: Mathify. (n.d.). 计算器: Loss Ratio. https://mathify.one/zh/finance/loss-ratio
Use Cases
Insurance Underwriting Performance
Evaluate how well an insurance company is managing claims relative to premium income. A lower ratio suggests better underwriting discipline.
Example: An auto insurer with $5M in losses and $10M in premiums has a 50% loss ratio.
Premium Pricing Review
Assess whether current premium levels are adequate to cover claims. Helps in adjusting rates or identifying segments with high loss ratios.
Example: If a product line shows a 90% loss ratio, consider raising premiums.
Frequently Asked Questions
- What is a loss ratio?
- A loss ratio is the ratio of incurred losses to earned premiums, expressed as a percentage. It measures an insurer's claims payouts relative to the premiums it collects, indicating underwriting profitability.
- How do I calculate the loss ratio?
- Divide incurred losses by earned premiums and multiply by 100. For example, if incurred losses are $60,000 and earned premiums are $100,000, the loss ratio is 60%.
- What is a good loss ratio?
- A loss ratio below 100% indicates the insurer is collecting more in premiums than it pays in claims. However, a 'good' ratio varies by line of business; typically, 60-70% is considered healthy for many insurance segments.
Tips & Common Mistakes
Tips
- Ensure you use incurred losses (including reserves) and earned premiums, not written premiums, for accurate results.
- Compare your loss ratio to industry benchmarks for your specific insurance line to gauge performance.
- Track loss ratio trends over time to identify emerging risk patterns or pricing issues.
- Use this calculator as a quick reference; for formal analysis, consult actuarial guidance.
Common Mistakes to Avoid
- Using written premiums instead of earned premiums, which can distort the ratio.
- Forgetting to include loss adjustment expenses in incurred losses, leading to an understated ratio.
- Comparing loss ratios across different insurance lines without adjusting for their unique risk profiles.
Last updated: August 13, 2026