Enter the total premium, total policy period, and prorated period into the calculator to determine the prorated premium.

Prorated Premium Calculator

By values By dates

Enter any 3 values to calculate the missing variable


Related Calculators

Prorated Premium Formula

The following formula is used to calculate the prorated premium for a given period.

P_p = (P_t / T_t) * T_p

Variables:

  • P_p is the prorated premium
  • P_t is the total premium
  • T_t is the total policy period in days
  • T_p is the prorated period in days

To calculate the prorated premium, divide the total premium by the total policy period, then multiply the result by the prorated period.

What is a Prorated Premium?

A prorated premium is the amount of premium that is calculated based on the actual period of coverage within the total policy period. This is often used when a policy is canceled before its expiration date or when coverage starts mid-term. The prorated premium ensures that the policyholder only pays for the coverage period they actually use.

How to Calculate Prorated Premium?

The following steps outline how to calculate the Prorated Premium.


  1. First, determine the total premium (P_t).
  2. Next, determine the total policy period (T_t).
  3. Next, determine the prorated period (T_p).
  4. Finally, calculate the prorated premium using the formula P_p = (P_t / T_t) * T_p.
  5. After inserting the values and calculating the result, check your answer with the calculator above.

Example Problem : 

Use the following variables as an example problem to test your knowledge.

Total Premium (P_t) = $1200

Total Policy Period (T_t) = 365 days

Prorated Period (T_p) = 180 days