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Daily Compound Interest: How to Grow Your Money Faster

Kelly Kennedy Updated: January 29, 2024 • 6 min read
Daily Compound Interest How to Grow Your Money Faster

Key Points:

  • Compound interest is a way for your money to make money without having to lift a finger! Well, almost. 

  • It's a method of calculating interest on your money that can lead to exponential growth.

  • Help grow your savings faster with this essential financial tool.

If you want to make your money work harder for you, you're in the right place. Understanding this concept can help you grow your money faster, and that's something most of us are after these days. 

Daily compounded interest on your money can lead to exponential growth.

In this article, we'll break down the concept of daily compound interest in a simple and easy-to-understand way. We'll explore how it can help you grow your savings faster and why it's an essential financial tool to grasp.

What Is Daily Compound Interest?

First, we must discuss why compound interest is important. It's a way for your money to make money without having to lift a finger! Well, almost. Daily compound interest applies daily rather than yearly or quarterly. It uses each day's balance to calculate the next day's interest. Over time, this can significantly increase your total earnings. 

It's a method of calculating interest on your money that can lead to exponential growth. With daily compounding, your interest is calculated and added to your principal balance every day. This means that each day, you earn interest not only on your initial deposit but also on the interest you've already earned. It can be like a snowball effect on your savings.

Daily Compound Interest Explanation

Compound interest is the interest earned on both the initial investment and the accumulated interest. Daily compound interest is calculated by multiplying the principal amount by the daily interest rate and adding it to the principal at the end of each day.

Sample Day Breakdown:

Imagine you start with $10,000 on Day 1. With a daily interest rate of 0.05/365 (approximately 0.000137%), you earn roughly $0.14 in interest on Day 2.

  • Day 1:
    • Principal: $10,000
    • Daily Interest: $0.137 (approx.)
    • New Balance: $10,000.14 (approx.)
  • Day 30:
    • Principal: $10,000.14 (approx.)
    • Daily Interest: $0.140 (approx.)
    • New Balance: $10,001.28 (approx.)
  • Day 180 (Halfway mark):
    • Principal: $10,056.18 (approx.)
    • Daily Interest: $0.152 (approx.)
    • New Balance: $10,057.33 (approx.)
  • Day 365 (Year-end):
    • Principal: $10,114.30 (approx.)
    • Daily Interest: $0.161 (approx.)
    • New Balance: $10,115.46 (approx.)

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The Daily Compound Interest Formula

Don't worry; you don't need to be a math whiz to understand daily compound interest. There are a few different formulas, but the most commonly used one is:

A = P(1 + r/n)^(nt)

Where A is the final amount, P is the principal amount (or initial deposit), r is the annual interest rate, n is the number of times per year that interest is compounded, and t is time in years. 

A: The future value of your investment or savings

P: The principal amount (starting deposit)

r: The annual interest rate (in a decimal)

n: The number of times interest is compounded per day

t: The number of days the money is invested for

* you can use online calculators to make things as easy as plugging in a few numbers. You just need to enter the starting amount of your investment or savings, the annual interest rate, and the days you plan to invest. You'll know how much money you earn with daily compound interest in seconds.

Did You Learn a Lot About Daily Compound Interest in This Article?

Here are more to read next:

The Benefits of Daily Compound Interest

Now that you understand the basics, let's discuss why daily compound interest can be beneficial. 

  • Maximizes Earnings: By choosing daily compounding interest, you can ensure that your money is working for you 24/7. With interest calculated and added to your principal balance more frequently, each subsequent interest calculation is done on a slightly larger amount, leading to significantly higher earnings over time. 
  • Benefit from the Power of Compounding: The principle of compounding is more powerful when interest is compounded more frequently. Even with the same annual interest rate, daily compounding can yield more than monthly, quarterly, or annual compounding due to the effect of earning interest on interest more frequently.
  • Better for Short-Term Investments: For short-term investments or savings, daily compounding can be particularly beneficial as it allows the investor to accumulate interest at a faster rate compared to less frequent compounding intervals.
  • Advantageous in a Rising Interest Rate Environment: In a scenario where interest rates are rising, daily compounding allows the investor to benefit more quickly from these increases, as the interest is recalculated daily.
  • Flexibility and Liquidity: Some accounts that offer daily compounding interest, like certain high-yield savings accounts, also provide liquidity and flexibility. This means you can access your funds when needed without losing the accrued interest.
  • Encourages Saving: Knowing your money is growing daily can be a strong psychological motivator to save more. This can encourage better financial habits and a stronger focus on long-term financial health.
  • Minimizes Impact of Withdrawals: If you need to withdraw, the impact on your interest accumulation is less severe with daily compounding compared to accounts that compound interest less frequently. This is because you've been accruing interest daily, so the effect of a withdrawal partway through a compounding period is minimized.
  • Good for Retirement Savings: For long-term goals like retirement, daily compounding can significantly increase the amount of savings, especially if the investment period spans several decades.
  • Automatic Growth: Once your money is invested in a daily compounding account, it grows automatically without any additional effort, making it a passive way to build wealth.
  • Advantageous for Reinvesting Dividends: If your investment includes dividends, daily compounding can be particularly beneficial if those dividends are reinvested, as it allows for faster growth of the reinvested amount.

Whether saving for a dream vacation, a down payment on a home, or retirement, daily compounding can help you get there faster.

Common Applications of Daily Compound Interest

Daily compounding isn't just for traditional savings accounts. It's also used in investments, such as certificates of deposit (CDs) and certain types of loans. By understanding how daily compounding works, you can make more informed decisions about where to put your money or how to manage your debt.

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Do You Earn More Money by Compounding Interest Daily or Monthly?

If you have the same interest rate and time period, daily compound interest will earn you more money than monthly compound interest on the same investment. This is because more frequent compounding gives you the chance to reinvest the interest earned sooner, which in turn lets you earn interest on that interest. This accelerates the growth of your investment and helps you earn more money in the long run.

Daily vs. Monthly vs. Yearly Compound Interest Example

Daily Compounding Example (n = 365)

Formula: A=10,000×(1+0.05/365 )^365×2

  • Principal (P): $10,000
  • Annual Interest Rate (r): 5% or 0.05
  • Compounding Frequency (n): 365 times a year
  • Time (t): 2 years
  • A = 11,051.63
  • Total Interest earned: $1,051.63

Monthly Compounding Example (n = 12)

Formula: A=10,000×(1+0.05/12 )^12×2

  • Principal (P): $10,000
  • Annual Interest Rate (r): 5% or 0.05
  • Compounding Frequency (n): 12 times a year
  • Time (t): 2 years
  • A = 11,047.13
  • Total Interest earned: $1,047.13

Yearly Compounding Example (n = 1)

Formula: A=10000×(1+0.05/1 )^1×2

  • Principal (P): $10,000
  • Annual Interest Rate (r): 5% or 0.05
  • Compounding Frequency (n): Once a year
  • Time (t): 2 years
  • A = 11,025
  • Total Interest earned: $1,025

The difference is due to the frequency of compounding. With more frequent compounding (daily vs. monthly vs. yearly), interest is added to the principal more often, leading to slightly higher growth due to the compound interest effect.

Putting Daily Compound Interest into Action

Now that you have a solid understanding of daily compound interest, it's time to implement this knowledge.  

Here are some best practices to help you take advantage of daily compounding: 

  1. Start Early: The earlier you start, the more time your money has to grow through daily compounding.
  2. Maximize Your Contributions: The more you contribute, the faster your savings will grow, thanks to daily compound interest.
  3. Diversify Your Investments: Spreading out your investments can help minimize risk while maximizing potential earnings through daily compounding. 
  4. Take Advantage of Tax-Advantaged Accounts: Certain accounts, such as IRAs and 401(k)s, offer tax benefits that can help your money grow even faster with daily compounding.
  5. Stay Consistent: Consistently adding to your investments can help maximize the effects of daily compounding.
  6. Avoid Early Withdrawals: Withdrawing money before it can compound fully can significantly reduce your potential interest earnings.

Wrapping Up: Daily Compound Interest

Daily compound interest is a powerful tool for those eager to grow their money faster—and who wouldn't want this in this challenging economy? 

Fortunately, this tool is not reserved for financial experts; anyone can grasp and use the concept to their advantage. By understanding how daily compounding works and applying it to your financial strategy, you can work towards achieving your financial goals more efficiently.

To learn more about daily compound interest and other important financial topics, check the Lendstart blog regularly for helpful updates.



Can daily compound interest make a significant difference in my savings?

Yes, daily compounding can lead to substantial growth over time, especially compared to less frequent compounding methods.

Is daily compound interest suitable for retirement savings?

Yes, daily compound interest can be a useful choice for growing your retirement nest egg. It allows your money to work harder for you, potentially helping you achieve your retirement goals sooner.

Should I switch my current savings account to one with daily compound interest?

Ultimately, it depends on your financial goals and the options available. Consider factors like interest rates, fees, and minimum balance requirements. Consult with a financial advisor and continue researching to make an informed decision.

Are there any downsides to daily compound interest?

Yes, when it comes to debt and credit cards, daily compounding can work against you.

Written by Kelly Kennedy linkedin-icon

Kelly is an accountant, college accounting and finance instructor, entrepreneur, and freelance finance and business writer. He has a Bachelor of Management, an MBA, and a CPA. In his free time, he enjoys endurance cycling, and his only claim to fame is that he once rode his bicycle across Canada – 7,000+ km over 64 days.