Your limit
How high can the rate go before the instalment passes your limit?
You set how much of your income may go to the instalment; the app solves for the floating rate that reaches exactly that. One figure, to carry into a bank meeting and ask about directly.
Nothing computed yet
Enter the amount financed, the fixed rate you were quoted, its length, and your monthly income. The threshold figure appears here.
Or see it worked through first — the figures are invented and marked amber.