# CD Calculator

> Calculate the earnings and total balance of a Certificate of Deposit (CD) over time.

Page: https://askcalculators.com/calculator/cd-calculator/
Definition: https://askcalculators.com/calculator/cd-calculator/definition.json
JSON Schema: https://askcalculators.com/calculator/cd-calculator/schema.json
Version: 7.0.0
Maintained by: AskCalculators (software project; not a credentialed reviewer)
Qualified review: pending. Automated checks do not establish professional approval.
Page status: Live
Review status: Pending

## Use
Open the calculator page and enter values. Query-string parameters can restore and bookmark a calculation.
Example: https://askcalculators.com/calculator/cd-calculator/?deposit=10000&term=12&apy=4.5

## Inputs
- deposit: Deposit Amount; type=number; optional; default=10000
- term: Term Length (Months); type=number; optional; default=12
- apy: Annual Percentage Yield (APY); type=number; optional; default=4.5

## Outputs
- result: Result; format=text; primary

## Formula
Balance is compounded monthly: future value = principal × (1 + annual rate ÷ 12)^(12 × years).

## Rules
- Empty optional inputs are undefined, not zero.
- Hidden conditional inputs are ignored.
- Do not invent missing required inputs.