Run the numbers.
Make your next move.
Can you afford it? Does the deal make sense? Explore the full cost, change the assumptions, and see what happens.
No account. No email. No phone. Your calculator entries stay in your tab.Build a connected homebuying plan →
Teach with these calculators → Build with the API →
Track local housing price cuts →
New: Play branching business simulation games →
Price your work
Include labor, overhead and waste. Compare prices and sales, then track estimates against actual results.
Open the pricing workshop →Homes & propertyMortgage & homebuying
Compare loan options, the whole monthly payment, and cash needed to buy.
Plan a home purchase →BusinessBusiness valuation
Check a listing’s asking price against earnings, debt and the income left for you.
Check a business listing →Homes & propertyRental property
Check rental cash flow, cap rate, cash-on-cash return and the rent needed to break even.
Explore the numbers →Homes & propertyRent vs. buy
Compare ending wealth after home equity, selling costs and investing monthly savings.
Explore the numbers →BusinessStartup & break-even
Estimate launch cash, sales needed to cover costs and how long your money could last.
Explore the numbers →BusinessBusiness loan & seller financing
Split a purchase between cash, a bank loan and seller financing, including a balloon payment.
Explore the numbers →Everyday moneyDebt payoff
Compare avalanche and snowball payoff time, interest and the impact of extra payments.
Explore the numbers →Work & incomeSalary & job offer
Compare spendable cash, benefits, commuting, living costs and the cost of changing jobs.
Explore the numbers →Everyday moneyEmergency fund & savings
Plan emergency savings and a purchase goal without counting the same money twice.
Explore the numbers →Work & incomeInflation & purchasing power
See how inflation changes prices and real pay, with a separate historical CPI-index comparison.
Explore the numbers →Compare, work backward, and take the numbers with you
Keep up to three named scenarios side by side and print a report with the inputs. Home, rental and business calculators also work backward from your payment or cash-flow goal. Each tool includes a fictional worked example; buying tools include a checklist to take into your next conversation.
Useful answers, visible assumptions
Every tool starts with a clearly labeled example. Replace it with your own numbers, explore scenarios and review the methodology. These are planning estimates, not quotes, appraisals or personalized financial advice.