Offset Mortgage Calculator

See how an offset account reduces your mortgage interest and shortens the term.

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Offset Account Savings

Enter your mortgage details and offset account balance.

Interest saved with offset
$0
Term reduced by: 0 yrs
Standard payoff
0 yrs
With offset
0 yrs
Standard interest
$0
Offset interest
$0
Effective rate
0%
Tax-equivalent yield
0%

Worked example

With the default inputs shown below, this calculator returns the following results:

InputValue
Loan balance ($)$300,000
Interest rate (%)6%
Loan term (years)30
Offset account balance ($)$50,000
ResultValue
Interest saved with offset$169,330
Standard payoff30.0 yrs
With offset22.2 yrs
Standard interest$347,515
Offset interest$178,185
Effective rate5.00%

Values shown are produced by this page in your browser; change any input to update them.

How to use the Offset Account Savings

  1. Loan balance ($) — default $300,000
  2. Interest rate (%) — default 6%
  3. Loan term (years) — default 30
  4. Offset account balance ($) — default $50,000
  5. Press Calculate to update the results instantly.

Frequently asked questions

Sources & references