Free Financial Calculators

No signup, no tracking, just math. Professional-grade tools for investing, mortgages, retirement, taxes, and more.

Browse by Category

Savings & Investments

Compound interest, savings goals, CDs, and investment growth calculators.

12 calculators

Loans & Mortgages

Mortgage, auto, personal, and student loan calculators with amortization.

12 calculators

Retirement Planning

401(k), IRA, FIRE, Social Security, and pension calculators.

12 calculators

Tax Calculators

Federal income tax, capital gains, self-employment, and property tax calculators.

10 calculators

Business & ROI

Break-even, profit margin, ROI, DCF, and business loan calculators.

10 calculators

Options Trading

Black-Scholes, Greeks, iron condors, spreads, and probability calculators.

10 calculators

Cryptocurrency

Mining, staking, DeFi yield, impermanent loss, and funding rate calculators.

10 calculators

Debt Payoff

Credit card payoff, debt snowball, avalanche, and student loan forgiveness.

10 calculators

Popular Calculators

Compound Interest Calculator

Calculate how your savings grow over time with compound interest and regular contributions.

savings

Simple Interest Calculator

Calculate interest earned using the simple interest formula A = P(1 + rt).

savings

Savings Goal Calculator

Figure out how much you need to save each month to reach your financial goal.

savings

High-Yield Savings Account Calculator

Compare earnings from a high-yield savings account versus a standard savings account.

savings

CD Calculator

Calculate the maturity value and effective APY of a certificate of deposit.

savings

Money Market Calculator

Calculate how your money market account grows with regular deposits and compound interest.

savings

Emergency Fund Calculator

Determine your ideal emergency fund size and how long it will take to build it.

savings

Rule of 72 Calculator

Quickly estimate how many years it takes to double your money at a given interest rate.

savings

Savings Withdrawal Calculator

Determine how long your savings will last with regular monthly withdrawals.

savings

Inflation Impact Calculator

See how inflation erodes the purchasing power of your money over time.

savings

More Free Calculators

Explore our collection of specialized calculator tools

AquaCalcs

Aquarium & fish keeping calculators

AudioCalcs

Audio & sound calculators

BabyCalcs

Nursery & baby calculators

BikeCalcs

Cycling & bike fitting calculators

BoatCalcs

Boating & marine calculators

CampCalcs

Camping & outdoors calculators
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