Amortization Calculator

Generate an amortization schedule with optional extra payments.

Loan inputs
Extra payments (optional)
Results
Monthly payment + totals + schedule.
Monthly payment (P&I)
Total interest
Total paid
Payoff date
Months to payoff
Amortization schedule
# Date Payment Extra Principal Interest Balance
Run a calculation to see the schedule.
Note: “Extra” is applied to principal after interest is computed.

More of our calculators...

Mortgage Interest Calculator

Estimate total mortgage interest and monthly interest over the loan term. Compare rates and terms quickly.

Mortgage Calculator with Taxes and Insurance

Calculate total monthly mortgage payment including taxes, insurance, and HOA. Estimate full PITI cost accurately.

Refinance Calculator

Compare current vs refinanced loan. Estimate new payment, break-even point, and lifetime interest savings.

Credit Card Interest Calculator

Estimate credit card interest charges from APR, balance, and payment. See monthly interest and total cost.

Balance Transfer Calculator

Compare balance transfer offers. Estimate savings, transfer fees, promo APR period, and payoff timeline.

Interest Rate Calculator

Calculate interest rate from loan amount, payment, and term. Works for monthly schedules and amortized loans.

Inflation Calculator

Estimate how inflation changes purchasing power. Convert past prices to today’s value and see cumulative inflation.

Salary calculator

Convert hourly, weekly, or monthly pay to annual salary (and reverse). Includes overtime and hours/week inputs.

PayPal Fee Calculator

Calculate PayPal fees, net received, or the amount to charge. Supports percent + fixed fee fee models.