Property calculators
Decide between renting and buying, see what you can afford, check rental yield, and work out the payback on solar or an EV.
5calculators
Mortgage payment
Full monthly payment: principal, interest, taxes, and insurance.
OpenAffordability
See the home price your income can support.
OpenRent vs buy
Compare renting against buying over your time horizon.
OpenRenovation
Budget a renovation with a realistic range and contingency.
OpenSolar payback
How many years until solar or an EV pays for itself.
Open