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Calcimator

Accident Surcharge Calculator

Calculate how much your auto insurance premium increases after an at-fault accident and the total cost over the surcharge period.

Inputs

$
years

Results

New Annual Premium

$2,430.00

≈ 19 pairs of sneakers

Total Surcharge Cost

$1,890.00

≈ 15 pairs of sneakers

Annual Surcharge Amount$630.00
Monthly Surcharge$52.50
Premium Increase35%
Surcharge Duration3 years
How to Use This Calculator
  1. Enter your Current Annual Premium before the accident.
  2. Set the Number of At-Fault Accidents and their Accident Severity.
  3. Enter how many Years Surcharge Stays on your record (typically 3–5 years).
  4. Indicate whether your policy includes Accident Forgiveness.
  5. Review the New Annual Premium, Annual Surcharge Amount, and Total Surcharge Cost over the full surcharge period.

How the result changes with Current Annual Premium

Current Annual PremiumNew Annual PremiumTotal Surcharge Cost
$1,450.00$1,957.50$1,522.50
$3,825.00$5,163.75$4,016.25
$6,675.00$9,011.25$7,008.75
$9,050.00$12,217.50$9,502.50

What each input means

Current Annual Premium
Your annual auto insurance premium before the accident.
At-Fault Accidents
Number of at-fault accidents on your record.
Accident Severity
1 = Minor (fender bender), 2 = Moderate (injuries), 3 = Major (serious injuries/fatality).
Years Surcharge Stays
How long the surcharge stays on your record. Typically 3-5 years.
Accident Forgiveness
0 = No accident forgiveness, 1 = First accident forgiven by insurer.

How this is calculated

Worked example, using the default values

  1. Identify Input Parameters
    4 parameters
    Current Annual Premium = 1800, At-Fault Accidents = 1, Accident Severity = 2, Years Surcharge Stays = 3 = 5 input(s) provided
  2. Calculate New Annual Premium
    New Annual Premium
    2430 = $2,430
  3. Calculate Total Surcharge Cost
    Total Surcharge Cost
    1890 = $1,890
  4. Calculate Annual Surcharge Amount
    Annual Surcharge Amount
    630 = $630
  5. Calculate Monthly Surcharge
    Monthly Surcharge
    52.5 = $52.5

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