Round up form field

I’m not aware of another coded solution available. Without using something like this, you would need to use your own JavaScript/jQuery function to perform the rounding on the page.

If it does not need to happen on the page, and can happen after the form is submitted, you can use the gform_field_validation filter:

Or, if you can perform the rounding after submission, you can use the gform_pre_submission filter: