Payment Calculator

Calculate loan payments, affordable loan amounts, or required terms. See full amortization schedules and payment breakdowns.

Payment Results

Monthly Payment

$1,331

Total Interest

$279,018

Loan Amount$200,000
Monthly Payment$1,331
Term30 years
Total Payment$479,018

What do you want to calculate?

Loan Details

$
10,000500,000
%
115
530

Balance Over Time

Payment Scenarios

TermMonthlyTotal InterestTotal Paid
10 years$2,322$78,660$278,660
15 years$1,798$123,578$323,578
20 years$1,551$172,143$372,143
25 years$1,414$224,068$424,068
30 years$1,331$279,018$479,018

First 12 Months

MonthPaymentPrincipalInterestBalance
1$1,331$164$1,167$199,836
2$1,331$165$1,166$199,671
3$1,331$166$1,165$199,505
4$1,331$167$1,164$199,338
5$1,331$168$1,163$199,171
6$1,331$169$1,162$199,002
7$1,331$170$1,161$198,832
8$1,331$171$1,160$198,661
9$1,331$172$1,159$198,490
10$1,331$173$1,158$198,317
11$1,331$174$1,157$198,143
12$1,331$175$1,156$197,968

Payment Results

Monthly Payment

$1,331

Total Interest

$279,018

Loan Amount$200,000
Monthly Payment$1,331
Term30 years
Total Payment$479,018

Quick Answer

To calculate your monthly payment, use the formula: Payment = Principal × [Rate × (1 + Rate)^Months] / [(1 + Rate)^Months - 1]. Our free payment calculator at practicalwebtools.com does this instantly - just enter your loan amount, interest rate, and term to see your exact monthly payment.

Key Facts

  • Monthly payment formula uses loan amount, interest rate, and number of payments
  • Higher interest rate = higher monthly payment for the same loan amount
  • Longer loan term = lower monthly payment but more total interest
  • The first few payments are mostly interest, shifting to principal over time
  • A payment calculator helps you budget before committing to a loan
  • Bi-weekly payments (every 2 weeks) result in 13 annual payments instead of 12

Frequently Asked Questions

Monthly payment uses the amortization formula: M = P × [r(1+r)^n] / [(1+r)^n-1], where M=monthly payment, P=principal, r=monthly interest rate (annual/12), n=number of payments. This ensures equal payments that cover both interest and principal over the loan term.
Interest rate and term length have the biggest impact. A 1% rate increase on $200k over 30 years adds ~$120/month. Extending from 15 to 30 years cuts payment by ~40% but more than doubles total interest. Loan amount directly scales the payment.
Shorter terms mean higher monthly payments but lower total interest. A 15-year mortgage at 6% on $200k costs $1,688/month with $104k interest. A 30-year costs $1,199/month but $232k interest. Choose based on monthly budget and long-term savings goals.
Most lenders use the 28/36 rule: housing costs under 28% of gross income, total debt under 36%. If you earn $6,000/month, aim for payments under $1,680. Also factor in taxes, insurance, and maintenance costs not included in the loan payment.
Amortization spreads loan repayment over time with fixed payments. Early payments are mostly interest; later payments are mostly principal. On a 30-year mortgage, you don't reach 50% principal paid until year 20. Extra payments accelerate this timeline.