How do I enter height and weight

Example I will like to fill a form like 5 foot 7 " 

Example 5-7 

The current form I use says error when I enter 5-7 or anything with a - in it

Review form https://form.jotform.com/60416954690158

I checked the fields in your form, and I did not get any error when filling:

What error are you referring to? Please share a screenshot to illustrate what you mean: https://www.jotform.com/answers/277033-How-to-add-screenshots-images-to-questions-in-support-forum