Automating increments

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4 - Data Explorer
4 - Data Explorer


I have been trying to figure out how to increment a number upon adding a new line.

For example,

Line 1 = A0001
Line 2 = A0002
Line 3 = A0003

I understand that the function of auto-number helps but i would like the characters in the front and wanted to see if there was a more efficient way than manually inputting this every line.

Thank you.

2 Replies 2

Hi @Matthew_Chua,

welcome to Airtable community!

To do your process my recommendation is to apply the following steps:

  1. Create an autonumber field {autonumber}
  2. Create a formula field by where you have to calculate the length of the autonumber

The step 2 will convert the number value in to text so you can count the length by the Len() function. You need this because your serial number has 4 numerical digits
3. Create a formula that will generate the serial number based n the length of the autonumber. For better system efficiency I recommend to use SWITCH() formula:


Please try this and text us back if it worked :slightly_smiling_face:

Dimitris Goudis

Doesnt work, any more suggestions?