Finance 8 tools
Interest, loans, and purchasing power
Compare growth, borrowing cost, payment burden, savings targets, and inflation on a consistent timeline.
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Finance calculators
Explore cash flow, interest, savings, loans, and investment scenarios. Every live calculator includes its formula, a practical example, and clear guidance.
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Finance decision topics
Finance 7 tools
Home buying and mortgage planning
Connect affordability, down payment, mortgage payment, amortization, equity, and refinancing before making a housing decision.
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Investing, retirement, and income planning
Connect earnings, contributions, compounding, inflation, retirement income, and employer funding across one long-term plan.
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Vehicle and consumer loan decisions
Compare price, tax, financed principal, payment, rate, term, interest, and affordability before accepting a consumer loan.
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All finance calculators
20 free calculators
Finance
Compound Interest Calculator
Project a balance using principal, interest rate, time, and compounding frequency.
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Simple Interest Calculator
Calculate a future balance when interest is earned only on the original principal.
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Loan Payment Calculator
Estimate the fixed monthly principal-and-interest payment for an amortizing loan.
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Savings Goal Calculator
Estimate the monthly contribution needed to close a savings gap by a target date.
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Inflation Calculator
Estimate the future cost of an item after compound inflation.
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Debt-to-Income Ratio Calculator
Calculate monthly debt payments as a percentage of gross monthly income.
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APY Calculator
Convert a nominal annual interest rate and compounding frequency into annual percentage yield.
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Percentage Change Calculator
Calculate the percentage increase or decrease from an original value to a new value.
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Mortgage Calculator
Estimate a monthly mortgage payment including principal, interest, property tax, home insurance, and HOA dues.
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Mortgage Amortization Calculator
Calculate a fixed mortgage payment and the total principal, interest, and number of payments across the loan term.
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Home Affordability Calculator
Estimate a home-price ceiling from income, monthly debts, down payment, mortgage terms, taxes, insurance, and a chosen debt-to-income limit.
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Mortgage Refinance Calculator
Compare current and proposed mortgage payments, closing-cost break-even time, and projected remaining interest.
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Down Payment Calculator
Convert a down-payment percentage into cash required, estimated mortgage amount, and starting loan-to-value ratio.
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Loan-to-Value Calculator
Calculate mortgage loan-to-value ratio, estimated owner equity, and the equity percentage from balance and property value.
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Auto Loan Calculator
Estimate a monthly car payment, amount financed, sales tax, total payments, and interest from vehicle price and loan terms.
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Investment Calculator
Project an investment balance from starting capital, monthly contributions, annual return, and time, with contributions and growth separated.
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Retirement Calculator
Estimate the savings needed at retirement to fund a monthly income gap over a chosen period and assumed return.
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Salary Calculator
Convert annual salary into hourly, daily, weekly, biweekly, and monthly gross pay using a chosen work schedule.
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Interest Rate Calculator
Estimate the fixed annual interest rate implied by a loan amount, monthly payment, and repayment term.
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401(k) Calculator
Project a workplace retirement-account balance from current savings, salary-based employee and employer contributions, return, and time.
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