# Integer to Double with Math Formula (Multi Column)

**URL:** <https://forum.knime.com/t/integer-to-double-with-math-formula-multi-column/17285>\
**Category:** KNIME Analytics Platform\
**Created:** [July 31, 2019, 8:59am UTC](https://forum.knime.com/t/integer-to-double-with-math-formula-multi-column/17285 "2019-07-31T08:59:01Z")\
**Posts on this page:** 1\
**Showing post:** 5

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**Author:** ![armingrudd](https://forum-cdn.knime.com/user_avatar/forum.knime.com/armingrudd/32/84633_2.png) [@armingrudd](https://forum.knime.com/u/armingrudd)\
**Post date:** [July 31, 2019, 11:17pm UTC](https://forum.knime.com/t/integer-to-double-with-math-formula-multi-column/17285/5 "2019-07-31T23:17:54Z")

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> [@stoeter](#):
>
> converting the few int columns took 30 sec, converting all numeric columns took 13 min!!

How about splitting the columns by type, converting the integers and then appending the columns?

Here is an example:  
[int\_to\_double.knwf](https://forum-cdn.knime.com/uploads/default/original/2X/9/97ab3e22c058971b9f455bffbaf2e72dca64895e.knwf) (290.2 KB)

😊

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