Rent vs. Buy Calculator
Compare five-year housing cash costs. This is a screening calculator rather than a complete real-estate investment model.
Use individual calculators for allocation, cash flow, debt, housing, emergency reserves, major purchases, and long-term financial independence. Choose one tool or explore the full library.
Need one answer? Use a calculator. Want the complete system? Use the Builder.
The Tools page is for individual questions. The Financial System Builder™ is the guided experience that connects allocation, cash flow, and purchase decisions into one financial operating system with a personalized summary and next actions.
Each calculator below can be used independently. You do not need to complete them in order.
These are the same core calculations used inside the Financial System Builder™, presented here as standalone tools for quick, independent use.
Test a monthly allocation across Income, Safety, and Wealth accounts without completing the full guided Builder.
The Safety Account should remain liquid and separated from ordinary spending.
View Marcus HYSA →Enter monthly income and expenses to identify your largest category, surplus, or shortfall as a standalone cash-flow check.
Screen a purchase against your monthly spending allocation before it disrupts bills, savings, or investing.
This compatibility summary is retained for the calculator engine but the complete connected experience now lives in the Financial System Builder™.
Your complete score will appear after the workshop.
The free calculators are designed to answer a question today. If you want to keep your budget, paycheck allocation, and overall financial picture organized over time, use one of the spreadsheet tools built for ongoing tracking in Excel and Google Sheets.
Compare Avalanche and Snowball payoff strategies and estimate the order, timing, and interest required to eliminate your balances.
✓ AVALANCHE SELECTED — Highest APR first. Enter your debts and click Calculate My Paydown Plan.
Enter your debts and calculate
your payoff sequence.
The Debt Paydown Optimizer helps compare Avalanche and Snowball scenarios. The Debt Payoff Tracker & Dashboard is designed for ongoing balance, payment, and payoff-progress tracking after you choose the approach you want to follow.
Once the monthly system is under control, use these calculators for housing, emergency reserves, and long-term financial independence.
Compare five-year housing cash costs. This is a screening calculator rather than a complete real-estate investment model.
Set your Safety Account target and estimate how long your current monthly contribution could take to reach it.
Estimate the portfolio required to support your entered expenses and how long the current investment path could take to reach it.
Use the free tools above to model emergency reserves and long-term financial independence. When you are ready to track actual progress over time, the spreadsheet tools below provide dedicated dashboards for your emergency fund, investments, and net worth.
If you want more than a single tracker, the Complete Financial Toolkit brings together 10 spreadsheet tools for budgeting, paycheck allocation, bills, emergency savings, debt, credit, savings goals, investing, and net worth tracking.
Educational purposes only. This content is provided for general education and should not be considered individualized financial, tax, legal, or investment advice. Consult a qualified professional about your specific situation.
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