1. Check payment room
Start with a mortgage payment estimate so the monthly cash-flow signal is visible.
Mortgage CalculatorDecision journey
Move from payment math to a fuller picture: what may fit your budget, how much of your income is already committed, how big a loan that leaves, and which changes move the result most.
Educational estimate only. Not a lending decision.
Each calculator keeps the math visible and adds decision signals beside the result.
Start with a mortgage payment estimate so the monthly cash-flow signal is visible.
Mortgage CalculatorUse debt-to-income to see how existing obligations affect the home-buying picture.
Debt-to-Income CalculatorModel income, debt, rate, term, taxes, insurance, and HOA costs together.
Mortgage Affordability CalculatorCompare down payment, loan-to-value, and recurring ownership costs before narrowing options.
Mortgage Down Payment CalculatorThe four steps are not interchangeable. Each one narrows the range the next one works inside, so running them in order removes wasted effort: what fits the budget, what is already committed, how big a loan that leaves, and which levers move the result most.
Starting from a payment figure inverts that. It fixes a price first and then asks whether it can be afforded, which is how a search ends up anchored to properties that were never in range. Working forwards from income means the price range falls out of the constraints rather than being tested against them afterwards.
Every step keeps its own arithmetic visible and states the assumptions behind it, so a result that looks wrong can be traced to the input that caused it rather than taken on trust.
A payment calculator answers what a chosen loan costs. An affordability calculator answers which loans are worth choosing between, by working backwards from income and existing commitments to a range. Starting with the payment means picking a price first and testing it second, which is the order that makes a search expensive.
Existing commitments reduce what is left to service a new loan, and lenders read that ratio directly. Two people with identical incomes can support very different mortgages if one carries a car loan and card balances and the other does not, which is why this step comes before comparing loan sizes.
The deposit sets the loan-to-value ratio, and lenders band their pricing by it. Raising the deposit lowers the loan, lowers the ratio, and can move the loan into a different band, so the deposit affects both how much is borrowed and what that borrowing costs.
It does not tell you whether to buy, and it is not a lending decision. No page here models a lender’s underwriting, credit assessment, or property valuation. What it produces is an estimate from the figures entered, useful for narrowing a range before a conversation with someone who can make an actual offer.