Simple Interest Formula:
From: | To: |
Money Market Accounts (MMAs) are interest-bearing accounts that typically offer higher interest rates than regular savings accounts. The interest is calculated based on the principal amount, interest rate, and time period.
The calculator uses the simple interest formula:
Where:
Explanation: This formula calculates the interest earned without compounding. For compound interest, a different formula would be needed.
Details: Understanding how interest is calculated helps in comparing different investment options and predicting earnings from savings accounts.
Tips: Enter the principal amount in dollars, interest rate as a decimal (e.g., 0.05 for 5%), and time period in years. Partial years (e.g., 0.5 for 6 months) are accepted.
Q1: Is this simple or compound interest?
A: This calculator uses simple interest. Most MMAs actually use compound interest, so this provides a conservative estimate.
Q2: How often do MMAs typically compound interest?
A: Most compound daily or monthly, but terms vary by institution.
Q3: Are there fees that affect the interest?
A: Some MMAs have monthly maintenance fees or minimum balance requirements that could reduce effective earnings.
Q4: How does this compare to CD interest?
A: CDs often offer higher rates but require locking in funds for a set term, while MMAs offer more liquidity.
Q5: Are MMA interest rates fixed or variable?
A: Most MMA rates are variable and can change based on market conditions.