The after-tax nominal interest rate is computed as follows: after-tax **nominal interest rate = nominal interest rate * (1 – tax rate)**

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- First, you need to figure your after-tax nominal return, which you can get by
**dividing**the value of your investments at the end of the period in question by their value at the beginning of the period. Second, you need to determine the inflation rate over that same period, which you can get by looking at historical data on the CPI.

## How do you calculate after tax amount?

To calculate the after-tax income, simply subtract total taxes from the gross income. It comprises all incomes. For example, let’s assume an individual makes an annual salary of $50,000 and is taxed at a rate of 12%. It would result in taxes of $6,000 per year.

## How do you find nominal interest rate?

How to Calculate the Nominal Rate of Return

- Subtract the original investment amount (or principal amount invested) from the current market value of the investment (or at the end of the investment period).
- Take the result from the numerator and divide it by the original investment amount.

## What is the after tax income?

After-tax income is the net amount of income available to invest, save, or consume after federal, state, and withholding taxes have been applied— your disposable income.

## How do you calculate nominal interest rate in Excel?

Excel NOMINAL Function

- Summary.
- Get annual nominal interest rate.
- Nominal interest rate.
- =NOMINAL (effect_rate, npery)
- effect_rate – The effective annual interest rate.

## How do you calculate periodic interest rate?

The periodic rate equals the annual interest rate divided by the number of periods. For example, the interest on a home loan is usually calculated monthly, so if the annual interest rate is 4 percent, then you divide that by 12 and get 0.33 percent. That’s your interest every month.

## What is difference between nominal and real interest rate?

A real interest rate is an interest rate that has been adjusted to remove the effects of inflation to reflect the real cost of funds to the borrower and the real yield to the lender or to an investor. A nominal interest rate refers to the interest rate before taking inflation into account.

## What is nominal rate and effective rate?

Nominal interest rate is also defined as a stated interest rate. This interest works according to the simple interest and does not take into account the compounding periods. Effective interest rate is the one which caters the compounding periods during a payment plan.