Free calculators for borrowing, debt, saving and crypto. Each one shows its formula and a worked example, and runs in your browser, so nothing you type is sent or saved.
Loans
Loan CalculatorThe loan calculator above tells you three things before you sign anything: the monthly payment, the…
Personal Loan CalculatorThis personal loan calculator shows your monthly payment, the origination fee taken out of your loan,…
Car Payment CalculatorThe car payment calculator above tells you four things most dealer quotes leave out: the real…
APR CalculatorThis APR calculator takes the interest rate a lender quotes you, adds the upfront fees, and…
Payday Loan CalculatorThis payday loan calculator turns a lender's "$15 per $100" quote into the numbers that matter:…
Debt
Credit Card Payoff CalculatorThis credit card payoff calculator shows how many months it takes to clear a balance at…
Debt Payoff Calculator: Snowball vs AvalancheThe debt payoff calculator above takes up to four debts and the extra cash you can…
Debt Consolidation CalculatorThis debt consolidation calculator tells you whether rolling your balances into one new loan actually saves…
Debt-to-Income Ratio CalculatorThis debt to income ratio calculator shows what share of your gross monthly pay already goes…
Saving and budgeting
Interest CalculatorThe interest calculator above shows what a balance turns into once interest starts compounding, and how…
Budget Calculator (50/30/20)This budget calculator splits your monthly take-home pay into the 50/30/20 shape (half for needs, 30%…
Emergency Fund CalculatorThis emergency fund calculator takes your essential monthly costs, how many months you want covered, what…
Crypto
Crypto Profit CalculatorOur crypto profit calculator takes the amount you invested, your buy and sell prices, and the…
Emergency Fund Calculator
This emergency fund calculator takes your essential monthly costs, how many[…]
Debt Consolidation Calculator
This debt consolidation calculator tells you whether rolling your balances into[…]
Debt Payoff Calculator: Snowball vs Avalanche
The debt payoff calculator above takes up to four debts and[…]
Budget Calculator (50/30/20)
This budget calculator splits your monthly take-home pay into the 50/30/20[…]
