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Money Market Account Calculator

Project the future balance of a Money Market Account (MMA) based on interest rates and contributions.

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Calculation Parameters

Specify your inputs below.

Calculated Result

Total Deposits $27,000.00
Total Interest Earned $3,439.46
Ending MMA Balance $30,439.46
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Expert Tip

Money Market Accounts offer higher APY than regular savings while retaining daily cash liquidity benefits.

How this Calculator Works

This calculator projects savings growth in a Money Market Account, which typically offers higher interest rates than standard savings accounts in exchange for higher balance minimums. It factors in interest rates, term duration, and monthly deposits. Savers use it to compare liquid yield accounts.

Formula & Methodology

Future Value = Principal * (1 + r / n)^(n * t) + PMT * [ ((1 + r / n)^(n * t) - 1) / (r / n) ] - Principal is the initial deposit amount. - r is the annual nominal interest rate. - n is the compounding periods per year (typically 12 for monthly). - t is the total duration of the savings plan in years. - PMT is the monthly recurring contribution.

Step-by-Step Calculation Example

Here is a step-by-step example showing how the calculations are performed:

You open a Money Market Account with $10,000 at a 4% interest rate compounded monthly, adding $200 per month for 2 years (24 periods). 1. Calculate periodic rate: 0.04 / 12 = 0.00333. 2. Compute growth on principal: $10,000 * (1.00333)^24 = $10,831.40. 3. Compute growth on monthly deposits: $200 * [ ((1.00333)^24 - 1) / 0.00333 ] = $4,988.60. 4. Sum the components: $10,831.40 + $4,988.60 = $15,820.00. Result: The Money Market Account will grow to a final balance of $15,820.00.

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Detailed Insights & Expert Guide

ℹ️ About this Calculation

This investment analytics calculator evaluates portfolio yield, compounding growth, risk-adjusted returns, present/future asset valuations, and capital growth metrics based on CFA and modern portfolio theory (MPT) principles.

Variable Glossary

Input

Investment Parameters

Initial principal, periodic contribution, interest rate, discount factor, holding period, or asset price inputs.

Parameter

Performance Metrics

Compound Annual Growth Rate (CAGR %), Net Present Value (NPV), Internal Rate of Return (IRR), or Sharpe ratio.

How to Calculate Step-by-Step

1

Step 1

Enter your initial investment capital, asset purchase prices, or cash flow streams.

2

Step 2

Set compounding frequency, discount rate, or benchmark risk-free rate factors.

3

Step 3

Review calculated total return value, annualized growth %, or risk-adjusted alpha/beta statistics.

FAQ

How does compounding frequency impact investment returns?
More frequent compounding (e.g. monthly or daily vs. annually) generates higher effective annual yields (APY) because interest is calculated on accumulated interest earlier in the period.
What is the difference between Sharpe Ratio and Sortino Ratio?
The Sharpe ratio divides excess return by total standard deviation (both upside and downside volatility), whereas the Sortino ratio divides excess return by downside deviation only.
Should investment calculators replace professional wealth management?
No. Investment calculators model financial mathematics under assumed growth rates. Actual market performance fluctuates, so consult a licensed financial planner (CFP) or RIA for personalized advice.