What Is the CD Calculator (Certificate of Deposit)?
A tool to calculate guaranteed investment returns on bank certificates of deposit.
How Does the CD Calculator (Certificate of Deposit) Work?
Applies compound interest across the designated term length based on selected compounding cycles.
CD Calculator (Certificate of Deposit) Formula & Variables
The core mathematical equation utilized by this calculator is expressed as:
A = P × (1 + r/n)^(n×t)
Standard compound interest formula where P is deposit, r is nominal yield, and n is compounding frequency.
How to Use the CD Calculator (Certificate of Deposit)
- Enter deposit amount, APY, term length in months, and bank compounding frequency.
Step-by-Step Example Calculation
1-Year 5% APY CD
Input Values:
deposit:10000
apy:5
termMonths:12
compounding:monthly
Worked Steps: Yields $511.62 in interest with an ending balance of $10,511.62.
Understanding Your Result
Shows total balance at maturity and net interest earned.
Factors That Affect the Result
- Deposit size, APY rate, term length, and compounding frequency.
When Should You Use This Calculator?
- When laddering CDs or comparing fixed-income cash preservation yields against treasury bills.
Assumptions & Limitations
- Assumes no early withdrawals or penalty deductions.
Frequently Asked Questions
Calculation Accuracy & Reference Note
Standard financial compound interest formula accurate to the cent.