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How to Use the Excel RANDBETWEEN Function

Excel allows us to get a random number from a range using the RANDBETWEEN function. This step by step tutorial will assist all levels of Excel users to learn how to use the Excel RANDBETWEEN function.

Figure 1. The final result of the RANDBETWEEN formula

Syntax of the RANDBETWEEN formula

=RANDBETWEEN(bottom, top)

The parameters of the RANDBETWEEN function are:

  • bottom – a value from which we want to get a random value
  • top – a value to which we want to get a random value

Setting up Our Data for the RANDBETWEEN Formula

In the cell B3 we have the lower limit (50) and in C3 we have the upper limit (100). The result will be in the cell E3.

Figure 2. Data that we will use in the RANDBETWEEN example

Get a Random Number from the Range

In the cell E3, we want to get the random number from the range 50-100.

The formula looks like:


The parameter bottom is 50, while the top is 100.

To apply the formula, we need to follow these steps:

  • Select cell E3 and click on it
  • Insert the formula: =RANDBETWEEN(50, 100)
  • Press enter.

Figure 3. Using the formula to get a random number from the range

As you can see in Figure 3, the function returns 65 in the cell E3, which is the number between 50 and 100.

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Solution examples
I'm Apply a =RANDBETWEEN formula in one cells want to apply Formula to entire column and run formula when i hit the entire on the particular cell
Solved by M. S. in 20 mins
Help! In a coin toss I have a 1 in 2 (fifty-fifty) chance of getting heads or tails. I need a formula to determine my chance of getting 4 heads in a row or 4 tails in a row out of 10 coin tosses. If I get 4 in a row I win. What formula can I use to determine my chances of winning if I repeat the 10 tosses for hundreds or thousands of times? I get as far as =RANDBETWEEN(0,1) but I have not been able to figure out what formula to use to determine if there are 4 in a row in a group of 10 tosses, times thousands of groups with 10 tosses in each group. Thank-you for any help you can provide.
Solved by V. F. in 51 mins
I have 4 column. when i fill the first 3 column. in 4th column i need a unique id number and i generate unique id number using RANDBETWEEN formula [ =CHAR(RANDBETWEEN(65,90))&CHAR(RANDBETWEEN(65,90))&RANDBETWEEN(1000,9900) ] but i want ..... when i'm filling the 3 column after that 4th column run this formula and generate unique id automatically
Solved by X. Q. in 20 mins
when i fill column A and B then C column generate Unique ID using RandBetween Formula {=CHAR(RANDBETWEEN(65,90))&CHAR(RANDBETWEEN(65,90))&RANDBETWEEN(1000,9900)} ...
Solved by S. Q. in 20 mins

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