Finance Calculators

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Auto Loan Calculator

Monthly car payment, total interest, and total cost from price, down payment and rate.

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Personal Loan Calculator

Monthly payment and total repayment cost for any personal loan — 1 to 7 year terms.

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Loan Calculator

Standard loan amortization — P×[r(1+r)^n]/[(1+r)^n-1] formula shown.

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Compound Interest Calculator

Daily, monthly, or annual compounding with optional regular contributions.

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Simple Interest Calculator

I = P × r × t — straightforward interest for loans and short-term savings.

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Savings Calculator

Project savings growth with regular contributions. Includes goal tracker.

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Overtime Calculator

Calculate overtime pay, total gross earnings, and annual income with customizable OT multipliers.

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Overtime Tax Calculator

See exactly how much of your overtime pay you keep after federal tax, FICA, and state tax.

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Tax Calculator 2026

Federal income tax, state tax, and FICA using 2026 IRS brackets. Shows effective rate.

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Paycheck Calculator

Net take-home pay per paycheck after all deductions — 2024 tax brackets.

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401k Calculator

Project 401k balance at retirement with employer match and compound growth.

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Retirement Calculator

FIRE number and retirement readiness across multiple countries.

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FIRE Calculator

Financial Independence number — 6 countries, 4% safe withdrawal rate.

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Credit Card Payoff Calculator

How long to pay off your balance and total interest paid at any monthly payment.

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Credit Card Interest Calculator

Daily, monthly, and annual interest cost on any credit card balance.

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Amortization Calculator

Full payment-by-payment amortization schedule for any loan or mortgage.

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Net Worth Calculator

Total assets minus liabilities — know exactly where you stand financially.

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Student Loan Calculator

Monthly payments, total interest, payoff timeline with term comparison

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Budget Calculator (50/30/20)

Monthly budget planner — needs, wants, savings with real-time tracking

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Rent Calculator

How much rent can you afford? 30% rule with full monthly budget breakdown

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15 vs 30 Year Mortgage

Side-by-side comparison — monthly payment, total interest saved

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