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如何计算Monthly Interest

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Calculates monthly interest payments, total interest, and amortization schedules for loans and savings.

公式

Monthly Interest = Principal * (Annual Rate / 12 / 100)

分步指南

  1. 1Enter the principal amount and annual interest rate
  2. 2Input the loan term in months
  3. 3Calculate monthly payment and total interest paid

例题解析

输入
$200,000 at 4% APR for 360 months
结果
$954.83 monthly payment, $143,739 total interest
30-year mortgage example

常见错误注意事项

  • Using annual rate without dividing by 12
  • Confusing simple and compound interest

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