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The net interest margin calculator calculates a bank's current interest margin by looking at the bank's interest costs, investment returns and assets currently earning. These calculators are easily accessible online. You can also manually calculate the net margin using the formula below. What is the net interest margin?

Net interest margin, or NIM, is a profitability indicator expressed in percentages. NIM is a measure of the likelihood that an investment bank or firm will be successful over the long-term. It is a tool that helps prospective investors determine whether investing in financial services of a company's bank or investment firm is worthwhile. NIM gives investors visibility into their profitability and their interest income.

**Definition of interest rate margin**: This is a measure that compares the net income from credit products such as mortgages with the outgoing interest paid on savings accounts and certificates held by deposit holders.

Simply put, a net margin that is extremely positive indicates that the entity has some profitability. Negative NIMs, on the contrary, indicate that the company needs to take corrective actions. This could be by using funds received to pay off outstanding dues, or moving assets into investments that will generate more revenue in the long-term. The definition of interest rate margin is given below.

Many net interest margin calculators are available online. Did you know that you can calculate the interest margin calculation for a bank with a simple formula? The following formula is required to calculate the interest margin, or estimate the net interest margin of a company or firm. The net interest margin formula can be found here:

**Net Interest Margin = Returns on investments-Interest expenses / Average Earning assets**

Consider the following example to illustrate how the net interest margin formula can be applied. Let's say that a corporation X has an annual interest expense of Rs2 crores and a return on investment of Rs1 lakh. The average earnings assets of the company are Rs10 lakhs. Using the net interest margin formula, X company's net margin equals a -10%.

According to the interest margin formula, the company lost more money than it gained due to higher interest expenses compared with their investment returns. It is recommended that the company use its investment funds to pay off outstanding debt, which is the reason for the high interest expenses.

A variety of factors can have an impact on a financial company's net margin calculation. The degree of supply and the demand are fundamental. The net interest margin will decrease if there is more demand for savings than loans. In these cases, the bank will have to pay more interest than it currently receives. Alternately, if there is more demand for loans than savings, the bank will have to pay more interest.

The bank's fiscal policy, which has an impact on its monetary policies, also affects its net interest margin calculation. The direction of the interest will determine whether a consumer will borrow or save money. The monetary policies set by central reserve have a strong impact on savings and credit demand. Consumers will borrow more if the interest rates at a bank are low.

This can lead to an increase in bank's net margin over time. However, imagine that the company's net rates rise. This means that borrowing money with a loan is more expensive than ever. Savings become more appealing in these cases due to the high rate of interest on savings. This will eventually lead to a decrease in net interest margins. Thus, supply and demand act like a cycle which keeps the bank's net interest margins fluctuating.