Rate of Return Formula | How to Calculate Rate of Return? (Examples)

Formula to Calculate Rate of Return

The rate of return is the return that an investor expects from his investment. A person invests his money into a venture with some basic expectations of returns. The rate of return formula is basically calculated as a percentage with a numerator of average returns (or profits) on an instrument and denominator of the related investment on the same.

So, a Rate of Return Formula can be derived as below:

Rate of Return = Average Return / Initial Investment

The rate of Return is a very dynamic concept for understanding investment returns; hence it can be modified and tweaked a little to calculate returns from various avenues.

Average Return: Return measured after inputting all costs during the holding period, including admin charges, the premium paid (if any), other operating expenses, etc. All returns and costs should relate to only the asset in question, else it may deviate from accurate results.
Initial Investment: Investment made initially to purchase the asset at the 0^th period.

Examples

You can download this Rate of Return Formula Excel Template here – Rate of Return Formula Excel Template

Example #1

Anna owns a produce truck, invested $700 in purchasing the truck, some other initial admin related and insurance expenses of $1500 to get the business going, and has now a day to day expense of $500. Let’s consider hypothetically that, her everyday profit is $550 (ideally it will be based on sales). At the end of 6 months, Anna takes up her accounts and calculates her rate of return.

Total Initial Investment: $2,200
Everyday Expenses: $500
Total Expenses for 6 months: $3,000
Everyday Returns: $550
Total Returns for 6 months: $3,300

So, we have the following data for the calculation of the Rate of Return:

So, the calculation of the Rate of Return will be as follows –

Rate of Return =((Total Returns -Total Expenses )/Total Initial Investment )* 100

Rate of Return = ($3,300 – $3,000) /$2,200 X 100

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Hence, the Rate of Return will be :

Accounting Rate of Return =13.64

Example #2

Joe has invested equally in 2 securities A & B. He wishes to determine which security will promise higher returns after 2 years. Likewise, he wants to decide whether he should hold the other security or liquidate such a position.

Let us first find out returns from each security at the end of 1 year.

Return calculated for compounded interest is as below:

Below are the statistics related to his investment:

Security A:

Investment: $10,000

Interest Rate: 5% paid annually, compounded basis

Term to maturity: 10 years

A = PX [1 + R/n]^(nT)

where:

A = Amount (or Return) after a particular period of calculation
P = Principal
R = Rate of Interest
n = Interest payment frequency
T = Period of calculation

So, the calculation of Rate of Return for Security A(A1) will be as follows –

A = PX [1 + R/n]^(nT)

Therefore, Return after 2 years for Security A (A₁) = $10,000 X [(1 + 0.05)^2]

So, Return after 2 years for Security A (A₁) will be:

Return after 2 years for Security A(A1)=$11,025.

Security B:

Investment: $10,000

Interest Rate: 5% paid semi-annually, compounded basis

Term to maturity: 10 years

Therefore, calculation of Return after 2 years for Security B (A₂) = $10,000 X [(1 + 0.05/2)^4]

So,Return after 2 years for Security B(A2)= $11,038.13

Analysis:

It is determined that although the returns are similar, yet Security B gives a little return. However, it is not required to completely liquidate the other position, as the difference between the two returns is minimal, as such Joe is not harmed by holding Security A.

Example #3

Joe wants to now calculate returns after the 10^th year and wants to assess his investment.

Based on the returns calculated from the compound interest formula, we can calculate for 10 years as below:

So, the Calculation of Rate of Return for Security A(A1) for 10 years will be as follows –

A = PX [1 + R/n]^(nT)

Therefore,Calculation of Return for 10 years for Security A (A₁) = $10,000 X [(1+ 0.05)^10]

So, Return for 10 years for Security A (A₁) for 10 years will be:

Return for 10 years for Security A (A₁)= $16,288.95.

Therefore,Return after 10 years for Security B (A₂) = $10,000 X [(1 + 0.05/2)^20]

Return after 10 years for Security B(A2)= $16,386.16

Relevance and Use

The rate of return is the most critical calculation while investing in any asset:

Every investor is exposed to risk and returns. The returns offered by an avenue may or may not be the actual returns over a period of time on the riskiness of the asset in markets. Hence it is extremely important to understand the actual rate of return for the investment.
The rate of Return helps in capital budgeting decisions. It helps in identifying whether investing in a particular project is beneficial over a period of time and choose between options by comparing and identifying the best venture.
It suggests the trends prevalent in the market and sometimes may even suggest futuristic views.
A rate of Return is a simple calculation of suggestive investment for particular gains. One can make tweaks in their inputs and try to understand the amount to invest in order to earn particular returns.
It is used to compare different investments and understand the background of such investment or benefits of the same.
It gives the financial standing of the respective individual or firm as a whole.

Conclusion

The rate of return formula forms a pivotal terminology for all the analyses related to investments and their returns. It helps in various ways, as we have seen above, however only when calculated right. Although the rate of return equation seems like a simple formula, it gives results that are required for making some major decisions – be it in finances or other return related decisions. Hence, it is very important to arrive at the accurate calculation, as it forms the basis of entire investments, future planning, and other economic-related decisions.

Formula to Calculate Rate of Return

Examples

Example #1

Example #2

Example #3

Relevance and Use

Conclusion

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