Tools/Rule of 78 Apportionment Calculator
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Rule of 78 Apportionment Calculator

Apportion finance charges under the sum-of-digits (Rule of 78) method.

Rule of 78 apportionment

Apportion total finance charges across a loan term using the sum-of-digits (Rule of 78) method and calculate the unearned interest rebate on early payout.

IMPORTANT DISCLAIMER

This calculator is provided for general information and operational support only. It does not constitute legal, tax, accounting, financial product, credit, lending, investment, superannuation or valuation advice.

This calculator does not constitute:

  • Legal advice
  • Tax advice
  • Accounting advice
  • Financial product advice
  • Credit assistance
  • Lending advice
  • Investment advice
  • Superannuation advice
  • Valuation advice

Results are indicative only. Outputs depend entirely on information entered by users and the assumptions selected. Users must independently verify every calculation before relying upon it. Professional advice should be obtained where appropriate.

Your details
Results
Interest earned to payout
$3,297
Unearned interest (rebate)
$2,703
Sum-of-digits divisor
666

IMPORTANT DISCLAIMER

This calculator is provided for general information and operational support only. It does not constitute legal, tax, accounting, financial product, credit, lending, investment, superannuation or valuation advice.

This calculator does not constitute:

  • Legal advice
  • Tax advice
  • Accounting advice
  • Financial product advice
  • Credit assistance
  • Lending advice
  • Investment advice
  • Superannuation advice
  • Valuation advice

Results are indicative only. Outputs depend entirely on information entered by users and the assumptions selected. Users must independently verify every calculation before relying upon it. Professional advice should be obtained where appropriate.