Insurance Short Rate Calculator

Calculate earned and return premiums for policy cancellations

How to Use This Calculator
1
Select Insurance Company

Different companies may use different short rate tables

2
Enter Annual Premium

Enter the full annual premium amount before cancellation

3
Select Policy Dates

Enter the policy start date and cancellation date

Click to select policy start date from calendar

Click to select cancellation date from calendar

Calculation Results

Complete the steps on the left and click "Calculate Now" to see your results here.

Understanding Insurance Short Rate Calculations

How Insurance Short Rate Calculations Work

When you cancel your insurance policy before its expiration date, insurance companies typically apply what's known as a "short rate" calculation to determine your refund. This calculation method accounts for the administrative costs and higher risk the insurer took on during the initial period of your policy.

Short Rate vs. Pro Rata: Understanding the Difference

There are two primary methods insurance companies use to calculate refunds when a policy is cancelled:

  • Short Rate Cancellation: Applied when you initiate the cancellation. This method includes a penalty to cover the insurer's upfront costs and results in a smaller refund.
  • Pro Rata Cancellation: Applied when the insurance company initiates the cancellation. This is a straightforward day-by-day calculation with no penalty.

Our calculator uses industry-standard short rate tables to accurately determine your refund amount based on how long your policy was in effect.

Need to cancel your policy? Use our Cancellation Letter Generator to create a professional cancellation request letter.

How Short Rate Tables Work

Short rate tables provide a percentage of the annual premium that the insurance company will keep based on how long your policy was active. These percentages are not linear - the earlier you cancel, the higher the percentage of premium the insurer keeps relative to the time insured.

For example, if you cancel after just one month (about 8% of a year), the insurer might keep 15-20% of your annual premium. This higher percentage in the early months reflects the insurer's upfront costs in issuing your policy.

Paying monthly for your insurance? Use our Monthly Payment Calculator to understand the true cost including interest and taxes.

Frequently Asked Questions About Short Rate Calculations

Why do insurance companies use short rate calculations?

Insurance companies use short rate calculations to recover their upfront costs when you cancel early. These costs include policy setup, underwriting, commission payments, and administrative expenses that were based on a full policy term.

Do all insurance companies use the same short rate table?

No, short rate tables can vary between insurance companies, though most follow similar patterns. Our calculator includes tables for major insurance providers to give you the most accurate estimate possible for your specific insurer.

Can I avoid short rate penalties?

In some circumstances, you might be able to avoid short rate penalties. These situations often include:

  • The vehicle or property being insured was sold
  • You're transferring coverage to a new policy with the same company
  • The insured item was declared a total loss
  • You're moving to an area where your current insurer doesn't provide coverage
Always ask your insurance provider about their specific policies.

How accurate is this short rate calculator?

Our calculator uses industry-standard short rate tables and formulas to provide highly accurate estimates. However, your actual refund may vary slightly based on your specific policy terms, taxes, and fees. For the most precise figure, contact your insurance provider directly.

What information do I need to calculate my refund?

To calculate your insurance refund, you'll need:

  • Your annual premium amount
  • Your policy start date
  • Your desired cancellation date
  • Your insurance company name (to apply the correct short rate table)
With this information, our calculator can provide a detailed breakdown of your expected refund.