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18 Free Calculators

Financial Calculators

Plan your mortgage, retirement, rent vs. buy decisions, rental income, and debt payoff. 13 free financial calculators — no sign-up required.

Core Financial

Mortgage, loans & investments

Mortgage Calculator

Monthly payment, amortization table, LTV ratio, and PMI warning.

Financial

Home Affordability Calculator

How much house can you afford? The 28/36 rule applied to your income and debts.

Financial

Loan Calculator

Monthly payments, total interest, and payoff date for any loan type.

Financial

Debt Payoff Calculator

Avalanche vs snowball — see exactly when you'll be debt-free.

Financial

Compound Interest Calculator

Investment growth over time with optional contributions and visual chart.

Financial

Real Estate & Specialty

Property income & veteran benefits

VA Disability Calculator

Combined VA rating and monthly tax-free compensation using the whole-person method.

Financial

House Hacking Calculator

How much rental income offsets your mortgage when renting rooms or units.

Financial

Rental Cash Flow Calculator

Monthly cash flow, cap rate, cash-on-cash return, and GRM for any rental property.

Financial

Airbnb ROI Calculator

Annual revenue, net profit, and yield for short-term rental property.

Financial

Turo Earnings Calculator

Monthly net profit from renting your car after fees and depreciation.

Financial

Section 8 / HCV Calculator

Estimate HAP payment and tenant portion for Housing Choice Voucher rentals.

Financial

Planning & Decisions

Retirement & rent vs. buy

Retirement Calculator

Project your nest egg with employer match, inflation, and the 4% withdrawal rule. Includes milestone table and growth chart.

Financial

Rent vs Buy Calculator

Side-by-side 30-year cost comparison with break-even year, equity growth, and opportunity cost on your down payment.

Financial

Everyday Finance & Business

Cars, savings, inflation & break-even

Car Payment Calculator

Monthly auto loan payment, total interest, and amortization from price, down payment, rate, and term.

Financial

Inflation Calculator

What is $X in year Y worth today? Historical purchasing power using CPI data back to 1913.

Financial

Net Worth Calculator

Total assets minus liabilities. Track your financial position with age-based benchmarks.

Financial

Savings Goal Calculator

How long to save $X? Or how much to save monthly to hit a goal by a target date.

Financial

Break-Even Calculator

Break-even units and revenue for any business. Fixed costs, variable costs, contribution margin, and margin of safety.

Financial

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