Smart calculators for finance & health
35+ free, accurate tools to help you plan your money, grow investments, run your business, and understand your health. No sign-up, no ads.
Finance
Compound Interest Calculator
Calculate how your investments grow over time with the power of compound interest.
Mortgage Payoff Calculator
See your monthly payment, total interest, and amortization for any mortgage.
Loan Calculator
Estimate monthly payments and total cost for any personal, auto, or student loan.
Rent vs. Buy Calculator
Compare the long-term costs of renting versus buying a home.
Home Affordability Calculator
Find out how much house you can afford based on your income.
Mortgage Refinance Calculator
See how much you can save by refinancing your mortgage.
Rental Property ROI Calculator
Calculate the return on investment for a rental property.
Closing Costs Calculator
Estimate the fees associated with buying or selling a home.
Savings Goal Calculator
Find out how much to save monthly to reach your financial goal.
Inflation Calculator
See how inflation affects the purchasing power of your money.
CD (Certificate of Deposit) Calculator
Calculate the earnings from a fixed-term bank deposit.
529 College Savings Calculator
Project how much a 529 plan will grow for college tuition.
Credit Card Payoff Calculator
See how long it takes to pay off credit card debt.
Balance Transfer Calculator
Decide if a balance transfer credit card is worth it.
Sales Tax Calculator
Add sales tax to a price or back the tax out of a receipt total.
Finance Calculator
Calculate future value, payments, and interest with visual charts.
Loans & Debt
Amortization Calculator
Monthly breakdown of principal and interest over the life of a loan.
Auto Loan Calculator
Calculate car loan payments with down payment and trade-in.
Debt Payoff Calculator
Visualize your path to becoming debt-free with the snowball method.
Payment Calculator
Calculate your monthly payment on any fixed-rate loan.
Investment & Retirement
Crypto Profit Calculator
Calculate gains or losses on cryptocurrency trades.
DRIP Calculator
See how dividend reinvestment grows your portfolio over decades.
Retirement Nest Egg Calculator
Estimate how much you need to save monthly to retire comfortably.
Required Minimum Distribution Calculator
Calculate your annual required minimum distribution from your IRA or 401(k).
Business
Profit Margin Calculator
Calculate net profit margin from product cost and selling price.
Freelance Hourly Rate Calculator
Calculate your ideal hourly rate as a freelancer.
ROI Calculator
Calculate return on investment for any business decision.
Break-Even Point Calculator
Calculate how many units you need to sell to cover costs.
Customer Lifetime Value (CLV) Calculator
Estimate the total revenue expected from a single customer.
Customer Acquisition Cost (CAC) Calculator
Calculate how much it costs to acquire a new customer.
SaaS Metrics Calculator
Calculate MRR, Churn Rate, and other key SaaS metrics.
Cross-Border Tax & SaaS Compliance Calculator
Evaluate VAT/GST thresholds, withholding rates, and tax treaties between countries.
Personal Finance
Take-Home Pay Calculator
Calculate your net income after taxes and deductions.
Emergency Fund Calculator
Calculate how much you need for 3-6 months of expenses.
Net Worth Calculator
Calculate your total assets minus liabilities.
Tip & Split Bill Calculator
Quickly calculate gratuity and split the bill.
Discount Calculator
Calculate the final sale price and total savings.
Pay Raise vs. Inflation Calculator
See if your raise actually increases your purchasing power.
Salary Calculator
Convert hourly, weekly, monthly or annual pay into any pay period.