# Finance Calculators

- **URL:** https://codeasystem.com/calculators/finance/
- **Markdown index:** https://codeasystem.com/calculators/finance/index.md
- **Calculators in this category:** 18

Free finance calculators for loans, mortgages, compound interest, savings goals, investments, debt payoff and everyday money decisions.

Focus areas: Loans, mortgages, savings, investing and debt.

## All calculators
- [Mortgage Calculator](https://codeasystem.com/calculators/finance/mortgage-calculator.md); Estimate the monthly principal-and-interest payment on a fixed-rate home loan, plus total interest and a year-by-year amortization schedule.
- [Loan Payment Calculator](https://codeasystem.com/calculators/finance/loan-payment-calculator.md); Work out the monthly payment, total interest and payoff cost for any fixed-rate installment loan.
- [Car Loan Calculator](https://codeasystem.com/calculators/finance/car-loan-calculator.md); Estimate the monthly payment and true total cost of financing a car, including the effect of your down payment.
- [Compound Interest Calculator](https://codeasystem.com/calculators/finance/compound-interest-calculator.md); See how savings grow with compound interest, including optional monthly contributions and any compounding frequency.
- [Simple Interest Calculator](https://codeasystem.com/calculators/finance/simple-interest-calculator.md); Calculate interest that pays only on the original principal; no reinvestment, no compounding.
- [Savings Goal Calculator](https://codeasystem.com/calculators/finance/savings-goal-calculator.md); Find the monthly saving needed to reach a target amount by a deadline, accounting for growth on what you already have.
- [Emergency Fund Calculator](https://codeasystem.com/calculators/finance/emergency-fund-calculator.md); Size an emergency fund from your essential monthly expenses, from a bare-minimum three-month buffer to a comfortable six.
- [Rule of 72 Calculator](https://codeasystem.com/calculators/finance/rule-of-72-calculator.md); Estimate how long money takes to double at a given growth rate; with the exact answer alongside the classic shortcut.
- [ROI Calculator](https://codeasystem.com/calculators/finance/roi-calculator.md); Compute return on investment as a percentage, with an optional annualized (CAGR) view when you enter a holding period.
- [CAGR Calculator](https://codeasystem.com/calculators/finance/cagr-calculator.md); Find the compound annual growth rate between two values over any number of years.
- [Inflation Calculator](https://codeasystem.com/calculators/finance/inflation-calculator.md); Project what today’s prices will cost after years of inflation; and what tomorrow’s money will really buy.
- [APY Calculator](https://codeasystem.com/calculators/finance/apy-calculator.md); Convert a nominal interest rate (APR) into the effective annual yield (APY) for any compounding frequency.
- [Debt Payoff Calculator](https://codeasystem.com/calculators/finance/debt-payoff-calculator.md); See how long a balance takes to clear with a fixed monthly payment; and exactly how much interest you will pay along the way.
- [Debt-to-Income Ratio Calculator](https://codeasystem.com/calculators/finance/debt-to-income-ratio-calculator.md); Measure what share of gross monthly income goes to debt payments, and see how lenders read the result.
- [Credit Utilization Calculator](https://codeasystem.com/calculators/finance/credit-utilization-calculator.md); Check what percentage of your available credit you are using and what balance would hit the ideal 10% mark.
- [Tip Calculator](https://codeasystem.com/calculators/finance/tip-calculator.md); Calculate the tip and total for any bill, splitting evenly across any number of people.
- [Discount Calculator](https://codeasystem.com/calculators/finance/discount-calculator.md); Find the sale price after a percentage discount and exactly how much you save.
- [Sales Tax Calculator](https://codeasystem.com/calculators/finance/sales-tax-calculator.md); Add sales tax to a pre-tax price or extract the tax already inside a tax-inclusive total.

Each link above points to the full Markdown reference for that calculator (inputs, formula, worked example, FAQs). The interactive HTML version lives at the same path without the `.md` suffix.

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Last updated: 2026-08-23 · [Section overview](https://codeasystem.com/calculators/index.md)