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Are you wondering about your age? Do you think – okay, I was born in September 1981, so how old am I now? If yes, you are in the right place. Here you will learn how to calculate your age if you were born in September 1981. Don’t worry, the calculations will be easy, so even if you don’t like math, you will be able to know your age. To be honest, we will also show you the easier way to know how old you are, without any calculations. So if you were born in September 1981, keep reading!

## I was born in September 1981. How old am I?

Sometimes all of us just wonder about our age. So if you think about your age too, don’t worry – it is totally normal. Thinking about age need not imply a question asked by somebody or filling in documents. Sometimes we wonder how old we really are when we feel older or when it’s getting closer to our birthday. Such thinking can take place also when we get nostalgic for past years.

Regardless of the reason why you are wondering how old you are, you can be sure you are in the right place. Here you will finally find the answer. Our how old calculator is a tool dedicated to such questions. For those of you who are more inquisitive, we also prepared a part about calculating your age on your own, so you can see the whole process.

So now, without any further ado, let’s start with calculations!

## How to calculate what is my age if I was born in September 1981?

Calculating your age wouldn’t be problematic if you want to calculate only years. This is the easiest calculation then – you just need to subtract one number from another. But the situation looks different when it comes to the calculation of your age with an accuracy of years and months. And such a case takes place now, when you want to calculate your age if you were born in September 1981.

**To make the calculations as simple as possible, we are going to divide them into two parts. Part one concerns calculating full years.** You need to pay attention here. You can’t just subtract the number of your year of birth from the number of current year. You have to calculate only full years. So if now the month of your birth has not passed, don’t calculate the last year. Of course, we know that it can seem complicated, but it doesn’t. We are going to prove it to you in the practical part.

**But now let’s focus on part two. In this part, you need to calculate the remaining months.** To make it, you need to calculate the remaining number of months after calculating the full years. The years you will calculate by checking the number of years between your month and year of birth and the same month in the current year (or in the previous one, if in this year this month has not yet come). The months you will calculate by checking the number of months between the month of your birth in this or previous year and the current month.

And these are the 2 steps which you need to take to get the answer to how old am I if I was born in September 1981. If you want to know how the calculations will look in practice, see the next part of the article. We are sure that then you will finally see that this method is not as complicated as it can seem at first sight.

## Calculating full years since 1981

**The first thing you need to do to know how old you are if you were born in September 1981 is to calculate the full years you are alive. **Remember – the month of your birth is so important in this case. So if you were born in September, check if the September in the current year has passed.

For instance, now it is November 2021. So it means September has passed this year. You can just subtract the year of your birth, that is 1981, from the current year, that is 2021. The calculations will look as follows:

2021 - 1981 = 40

**Remember **– if the month of your birth has not passed this year, subtract the number of the year of your birth from the number of the previous year, not current.

So as you can see, the result is 40 full years. If you need your age given only in years, it could be the answer – I’m 40 years old.

But if you need a more exact result, that is your age given in years and months, you need to check the remaining months too. How to make it? Just check it in the next paragraph.

## Calculating remaining months

**To calculate the remaining months, you need to know your month of birth and the current month.** If you were born in September 1981, and now it is November 2021, it means you need to know how many months are between September and November.

September is the 9th month of the year, and November is the 11th month of the year. Thanks to knowing these numbers, you can just subtract the smaller one from the bigger one to get the answer. So, how to make the calculations? Have a look:

11 - 9 = 3

As you can see, these calculations are not complicated either. The answer is simple, just 3 months. So what is your age in accuracy of years and months? See it in the next paragraph.

## Your age if you were born in September 1981

**To get the answer to the question of how old am I if I was born in September 1981, you need to combine the two answers from the previous parts **– it means your age in years and remaining months. Both of these numbers together will give you the exact answer you need.

So here is a quick reminder – the first answer was 40 years, the second was 3 months. So after summing up, at the current date, it means November 2021, **you are 40 years and 3 months old.**

What do you think about this result? We hope that getting it was not so difficult for you. The key to know your age in years and months, quickly and easily, is to divide the calculations into two parts. First calculate only full years, second calculate remaining months.

## Calculate your age with How Old Calculator if you were born in September 1981

We know that some of you just don’t like math and calculating anything, even if the calculations are quite easy to do on your own. And that’s okay. There are more ways to know your age if you were born in September 1981 than just making your own calculations. And one of these ways we are going to show you in this part of the article.

**This way is using our how old calculator. An easy and totally effortless way to know your age, even in the accuracy of years and months. **This tool is based on a special algorithm, which will make all calculations for you. It means the calculator figures the data into the formula and then calculates them step by step to give you an exact, ready result.

As you can see, it is a very comfortable solution. To use how old calculator, you don’t need anything special. Just your smartphone (or other device) with an Internet connection. You can use it for totally free, we don’t charge any fees.

How to use how old calculator? It is so simple! You just need to know your month and year of birth and enter this data. That’s all. You will see the exact result on a screen in a flash. Could it be easier? We don’t think so!

## Which method to calculate how old am I is easier for you?

You saw two different methods for calculating how old you are if you were born in September 1981. And both of them are totally different. Why do we show you just different ways? We know that people are different too! One of them likes calculating, the other doesn't or even hates it. We just want to show you that there are more than one method and give you a choice.

We are very curious which one you like more. Do you prefer calculating on your own and having control of every detail? Or maybe, do you prefer using a dedicated tool and just wait less than a second for the result? Let us know!

Even when you prefer doing your calculations, the how old calculator still can be useful for you. Sometimes it is needed to calculate as fast as possible to know the answer, with the most accuracy. Then such a tool is invaluable. And you can always have it by your side, in your pocket or your bag.

### What do you think about your age?

We have one more question for you. What do you think about your age? You are 40 years and 3 months old! Do you feel old this year? Or maybe, do you feel your whole life is ahead of you? We just ask it because people feel their age differently.

For some people, the same age can be a different experience. One of them can feel like they are old and there is nothing more which will wait for them, others can feel like a million dollars and can’t wait what more their life has for them.

It is a very interesting point. We just encourage you to think about it sometimes. It is a good starting point to know a little bit more about ourselves. And such knowledge is very significant and helps with planning our lives.

### Calculate your age with How Old Calculator

So that’s the end of our article. Let’s sum up what you have learned here. First, you now know how to calculate your age in accuracy of years and months by yourself, without the help of any device. Second, you also now know how to calculate your age, given in years and months, using the how old calculator.

We are sure that now you can quickly find an answer to the question of how old am I if I was born in September 1981, in the way you like the most.

Of course, we encourage you to use our how old calculator, even if you prefer making your own calculations. We are pretty sure that after one use of it you will like our tool and will use it once more and… more.

Check also our other articles about calculating how old you are. Pick the date of your birth and see how to know your age step by step, in two ways.