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# CD Rate Calculator to Calculate Certificate of Deposit Interest and APY

Calculator Preferences
Certificate of Deposit Rate Calculator

This calculator will calculate a certificate of deposit interest and annual percentage yield (APY), plus allow you to set the compounding interval to match the interval of the CD you are calculating interest for. The Learn tab includes brief answers to:

• What is a CD and how does it work?
• Where can you purchase CDs?
• Where can I find an unbiased source for in-depth study?

#### Selected Data Record:

A Data Record is a set of calculator entries that are stored in your web browser's Local Storage. If a Data Record is currently selected in the "Data" tab, this line will list the name you gave to that data record. If no data record is selected, or you have no entries stored for this calculator, the line will display "None".

DataData recordData recordSelected data record: None
CD amount:CD amount:Certificate of deposit amount:Certificate of deposit amount:

#### Certificate of deposit amount:

Enter the amount of the CD (without dollar sign and commas). Most certificates of deposit require a minimum deposit amount of \$500 or more.

 Certificate of deposit amount
Int rate:Interest rate:Annual interest rate:Annual interest rate:

#### Annual interest rate:

Enter the annual interest rate (APR) of the CD. Enter as a percentage without the percent sign (for 2.5%, enter 2.5).

 Annual interest rate
# months:# of months:Number of months:Number of months:

#### Number of months

Enter the number of months before the CD reaches its maturity date.

 Number of months
Compound:Compounding:Compounding interval:Compounding interval:

#### Compounding interval:

Select the compounding interval that applies to the certificate of deposit. Typically, the more frequent the compounding, the more interest you will earn in a given amount of time.

FV:Future value:Future value:Future value:

#### Future value:

Based on your entries, this how much your certificate of deposit will be worth when it reaches its maturity date.

Interest:Interest earned:Interest earned:Interest earned:

#### Interest earned:

Based on your entries, this is the amount of interest you will earn on the CD.

APY:APY:Annual percentage yield:Annual percentage yield:

#### Annual percentage yield:

Given the number of months and interest rate, this is the annual percentage yield (APY) of the certificate of deposit.

APY (also know as Effective Annual Rate, or EAR) is a formula used by investors to compare one quoted interest rate with another -- because savings institutions like to quote their interest rates in ways that make them appear higher than they actually are. The APY formula allows investors to compare apples to apples -- regardless of the method used to quote the rates.

If you would like to save the current entries to the secure database, tap or click on the Data tab, select "New Data Record", give the data record a name, then tap or click the Save button. To save changes to previously saved entries, simply tap the Save button. Please select and "Clear" any data records you no longer need.

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Tip

Help and Tools

#### Help and Tools:

This section, which you can Unstick or Hide in the Calculator Preferences (just above the top of the calculator), contains the following tabs (content too long to fit within bordered frame can be scrolled up and down):

About: Click this tab for an introduction to the calculator.

Instructions: Click this tab for step-by-step instructions for using the calculator.

Terms: Click this tab for a list of the descriptions that are located within each popup help button (info icons).

PCalc: Click this tab for a handy "pocket" calculator you can use when you need to calculate an entry needed for the calculator.

Data: Click this tab to save a set of entries or a note in between visits. Entries and notes will be stored to your web browser's local storage (if supported by your browser of choice), meaning they can only be recalled with the same device and web browser you were using when you saved them. If you'd like to save entries and notes between devices you can do so by subscribing to the Ad-Free Member Version.

#### Favorites

Move the slider to left and right to adjust the calculator width. Note that the Help and Tools panel will be hidden when the calculator is too wide to fit both on the screen. Moving the slider to the left will bring the instructions and tools panel back into view.

Also note that some calculators will reformat to accommodate the screen size as you make the calculator wider or narrower. If the calculator is narrow, columns of entry rows will be converted to a vertical entry form, whereas a wider calculator will display columns of entry rows, and the entry fields will be smaller in size ... since they will not need to be "thumb friendly".