Configuring Calculator Defaults

Pre-filling Values with URL Parameters

You can pre-fill calculator inputs using query string parameters in your embed URL. This is useful when you want to set sensible defaults for your audience.

Example

To pre-fill the Loan Repayment Calculator with a $500,000 loan amount at 6.5% interest:

?widgets=loan-repayment&loanAmount=500000&interestRate=6.5

Common Parameters

Loan Repayment Calculator

• loanAmount — Loan amount in dollars
• interestRate — Annual interest rate (%)
• loanTerm — Loan term in years
• repaymentFrequency — weekly, fortnightly, or monthly

Stamp Duty Calculator

• propertyValue — Property value in dollars
• state — Australian state code (e.g. NSW, VIC, QLD)
• firstHomeBuyer — true or false

Borrowing Capacity Calculator

• grossIncome — Annual gross income
• expenses — Monthly living expenses

Display Configuration

Beyond calculator values, you can also configure display options:

• view — Layout mode: tab, stack, or single
• theme — Colour theme: light or dark
• widgets — Comma-separated list of calculator slugs

Combining Parameters

You can combine multiple parameters:

?widgets=loan-repayment&view=single&theme=dark&loanAmount=750000&interestRate=6.2&loanTerm=30

Embedding with Defaults

Simply add the parameters to your iframe src URL. The calculators will load with the specified values pre-filled, and users can still modify them.