# US mortgage calculator - help

This **US Mortgage Calculator** is designed
to do 2 types of calculations:

Calculate your **periodic payment** or the **principal
amount** you can borrow:

### A- How to find your periodic payment:

- Enter the
**principal**(the amount you want to borrow) - Enter the
**interest rate**(annual percentage) - Enter the length of the loan (the
**amortization**period in months) - Enter the
**term**of the loan (the length of the loan contract)

Note: As a rule, US mortgages do not have terms per say.

However, the "Term (months)" input can be used to see how

much of the loan has been repaid after x number of months. - Select the
**payment type**(you have the following options:

Annually, Semi-Annually, Monthly, Bi-weekly, Weekly,

Accelerated bi-weekly, and Accelerated weekly) - Click on "Calculate Payment".

### B- How to find the amount you can borrow:

- Enter all the above information, except for the principal (1) that

you leave as is. - Enter the amount of your periodic payments (7)
- Click on "Calculate Principal" (8)

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