Finance Tools

Mortgage, retirement, investing and debt payoff calculators for personal finance.

APY Calculator

Convert a nominal interest rate into its effective annual yield (APY).

APR Calculator

Convert APY into an equivalent nominal annual rate; this is not a fee-inclusive loan APR.

Mortgage Calculator

Estimate your monthly mortgage payment, including taxes, insurance and PMI.

Amortization Schedule Calculator

See a month-by-month loan payoff schedule, with optional extra payments.

Debt Payoff Calculator

Compare snowball vs. avalanche strategies to pay off multiple debts faster.

Credit Card Interest Calculator

See how long it takes to pay off a credit card balance and how much interest you'll pay.

Savings Goal Calculator

Find out how many months it takes to reach a savings goal with regular contributions.

Retirement Calculator

Project your retirement savings balance based on your current age and contributions.

FIRE Calculator

Calculate your FIRE number and how many years until financial independence.

Emergency Fund Calculator

Find your emergency fund target and how long it takes to reach it.

Investment Return Calculator

Calculate the total return and net gain on an investment, including any income received.

CAGR Calculator

Calculate the compound annual growth rate between a beginning and ending value.

Dividend Yield Calculator

Calculate a stock's dividend yield from its annual dividend and share price.

Future Value Calculator

Project how much a present sum (plus optional contributions) will be worth in the future.

Present Value Calculator

Find out what a future sum of money is worth today, given a discount rate.

NPV Calculator

Calculate the net present value of an investment's future cash flows.

IRR Calculator

Calculate the internal rate of return for a series of cash flows.

Inflation Calculator

See what an amount will cost in the future, and what future money is worth today, at a given inflation rate.

Net Worth Calculator

Add up your assets and liabilities to calculate your total net worth.

Cash Flow Calculator

Track your monthly income and expenses to see your net cash flow.

What this category covers

Personal finance calculators for borrowing, saving, investing and planning — mortgages, debt payoff, retirement and FIRE planning, investment return metrics (CAGR, NPV, IRR, dividend yield), and everyday concepts like inflation and net worth.

How to choose the right tool

Buying a home uses Mortgage Calculator for monthly payments and Amortization Schedule Calculator to see the full payoff timeline. Managing debt uses Debt Payoff Calculator to compare payoff strategies and Credit Card Interest Calculator to see the true cost of carrying a balance. Planning ahead uses Retirement Calculator for a traditional timeline or FIRE Calculator for early-retirement targets, alongside Savings Goal Calculator and Emergency Fund Calculator for shorter-term goals. Evaluating an investment uses Investment Return Calculator for simple returns, CAGR Calculator for annualized growth, and NPV Calculator / IRR Calculator for comparing cash flows over time — the same tools used in business finance, applied here to personal decisions. APY Calculator and APR Calculator clarify the difference between a compounding and a nominal interest rate before comparing loan or savings offers.

Common use cases

A homebuyer compares mortgage offers using the Mortgage Calculator and checks the full amortization schedule before signing; someone paying off multiple debts compares snowball vs. avalanche payoff order; an early-retirement planner calculates their FIRE number; an investor compares two opportunities' IRR before committing capital.