Finance calculator

Loan Calculator

Estimate payment amount, total interest, payoff time, extra payment savings, and amortization schedule for installment loans.

Loans Payoff planning Amortization
Calculator

Enter your numbers

Choose a payment frequency, add extra payments if needed, and compare the payoff impact.

Inputs

Adjust the loan details below.

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What changes most

Interest rate and loan term have the biggest effect on total interest. Extra payments usually reduce payoff time and lower total interest faster.

Results

Loan summary

Moderate
Estimated Payment $500.47
Total Interest $5,028.23
Total Paid $30,028.23
Payoff Time 5.00 Years
Quick take

This loan cost looks moderate based on the current rate, term, and payment assumptions.

Base Payment $500.47
Extra Per Period $0.00
Interest Saved $0.00
Time Saved 0 Periods
Comparison

Base vs extra-payment payoff

See how extra payments change total interest and payoff timing.

Base

Without extra payments

Payment $500.47
Total Interest $5,028.23
Total Paid $30,028.23
Payoff Time 5.00 Years
Accelerated

With extra payments

Payment $500.47
Total Interest $5,028.23
Total Paid $30,028.23
Payoff Time 5.00 Years
Amortization

Payment schedule

Review how each payment is split between interest and principal.

Period Payment Principal Interest Balance
Enter values to see the amortization schedule.
How loan payments are calculated

Payment, interest, and payoff all move together

A loan payment is based on principal, rate, and term. Higher rates and longer terms generally increase total interest, while extra payments usually shorten payoff time.

Payment

Standard amortized loan payment formula

Total Interest

Total Paid − Loan Amount

Amortization

Shows how each payment reduces interest and balance over time

When to use it

Useful before borrowing or refinancing

Borrowing

Estimate your real payment

Use this before taking out a personal, auto, or business loan so you know what the recurring payment looks like.

Comparison

Compare rates and terms

See how a lower rate or shorter term can change both your payment and total interest paid.

Payoff

Test extra payments

Check whether paying more each period can shorten the loan enough to save meaningful interest.

Loan FAQ

Frequently asked questions

Quick answers to common questions about this calculator and how to use it.

Question 1

What does this loan calculator estimate?

This calculator estimates payment amount, total interest, total paid, payoff time, extra payment savings, and an amortization schedule.

Question 2

Can extra payments reduce total interest?

Yes. Extra payments can reduce total interest and shorten payoff time because more principal is paid sooner.

Question 3

What is an amortization schedule?

An amortization schedule shows each payment period and how much goes toward interest, principal, and remaining balance.

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