Financial decisions, simulated.

Calculators for mortgages, rent versus buy, and long-term net worth. Built for the decisions that take decades to play out.

Mortgages & Home Loans

Work out what a loan actually costs, and what overpaying changes.

Monthly payment, full amortization schedule, and the real cost of overpaying.

Compare the long-term outcomes of renting, buying, and borrowing.

Project net worth for renting, buying with cash, and buying with a mortgage.

More calculators coming

These calculators are a side project. If a simulation saved you money, or a bad decision, you can support the work.