Insurance two-discount renewal comparison calculator

Calculate current discounted premium and scenario premium with your own figures.

Your numbers

Use the units shown. Results update as you change valid inputs.

Choose the currency for these amounts. Changing it keeps your numbers and does not convert exchange rates.

Use current discounted premium and scenario premium to compare changes to your inputs. The method and limits below explain the scope.

Examples

Examples

Try the starting example

Base renewal premium (USD)
800
Current discount (%)
40
Scenario discount (%)
20
Current discounted premium (USD)
$480.00
Scenario premium (USD)
$640.00
Premium increase (USD)
$160.00

Try another scenario

Base renewal premium (USD)
801
Current discount (%)
40
Scenario discount (%)
20
Current discounted premium (USD)
$480.60
Scenario premium (USD)
$640.80
Premium increase (USD)
$160.20
Calculation method

Calculation method

Current discounted premium (USD)

Apply each entered no-claims discount to the same base premium.

Scenario premium (USD)

Apply each entered no-claims discount to the same base premium.

Premium increase (USD)

Apply each entered no-claims discount to the same base premium.

Symbols and units
a
Base renewal premium (USD)
b
Current discount (%)
c
Scenario discount (%)

Use the units shown. A list keeps the order in which you enter its values. The symbol ^ means “raised to the power of”.

Assumptions & limits

Assumptions & limits

  • User-supplied measurements and assumptions; Apply each entered no-claims discount to the same base premium. Supported limits: Finite numeric values bounded to 1e9 magnitude; lists and tables contain 1–100 records unless a stricter bound is stated. Inputs use the units shown. Lists explicitly paired by a method must have matching lengths; independent polynomial coefficient vectors may differ. Respect stated physical, interpolation, policy and computational domain limits.
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