Cell Value of type 'n' incorrect precision

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Alfredo Yanez

Jul 7, 2023, 7:46:31 PM7/7/23
to openpyxl-users
I have a question about reading cell values while in data_only is True and keep_vba is False

I have the following code:
wb = openpyxl.load_workbook(file, keep_vba=True, data_only=True)
sheet = workbook["sheet_name"]
my_value = sheet["E22"].value
# My Value is 12659.539200000001
# but in the excel file it shows up as 12660.00
if I do sheet["E22"].data_type I get 'n'
if I do sheet["E22"].number_format I get `#,##0`

Is there a way to get the true value of the cell ?

Thanks !

Cuatro Jones

Jul 7, 2023, 11:08:55 PM7/7/23
to openpyx...@googlegroups.com
You could try casting it:
my_value = float(sheet["E22"].value)

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Charlie Clark

Jul 10, 2023, 6:34:29 AM7/10/23
to openpyxl-users

This is just a side-effect of floating point mathematics and unavoidable. You have two options: use the decimal type or round the number to the precision you want.


Charlie Clark
Managing Director
Clark Consulting & Research
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D- 40489
Tel: +49-203-3925-0390
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