FetaMoney

Calculators

Test the money decision before you make it.

Practical calculators for budgeting, savings growth, debt payoff, side hustle income, investing, and retirement planning.

Featured Calculators

Most used this week

Saving

Budget Calculator

Track income vs expenses and optimize your monthly savings rate.

Estimate your savings rate in under 60 seconds.
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Investing

Investment Calculator

Model portfolio growth with monthly contributions and annual returns.

See how $500/month grows over 10 years.
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Income

Income

Side Hustle Calculator

Forecast monthly side income based on your hours and effective rate.

Find your expected monthly extra income.
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Saving

Saving

Savings Calculator

Project compound growth for consistent savings contributions.

Estimate your balance with compound interest.
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Investing

Investing

Retirement Calculator

Estimate long-term retirement readiness with growth projections.

Test if your current plan meets retirement goals.
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Debt

Debt

Debt Payoff Calculator

Plan your debt-free date with payment and interest assumptions.

Preview payoff timeline and total interest cost.
Interactive toolOpen Calculator

Calculator FAQs

How much should I save each month? A common baseline is 20% of take-home pay, then adjust using the Budget and Savings calculators based on your goals.

How long will it take to pay off $10k debt? It depends on APR and monthly payment. Use the Debt Payoff Calculator to get a personalized payoff date and interest estimate.

Can side hustle income speed up debt payoff? Yes. Use the Side Hustle Calculator to estimate extra income, then test that payment boost in the Debt calculator.

Looking for ways to earn more to support your plan? Browse vetted options in Opportunities.