YAKANJ Step Stools for Adults Kids,Heavy Duty Sturdy Step Stool Helper for Kitchen Bathroom,Hold Up to 500 Lbs Capacity Metal Frame-Fabric Grey

Q: How high is top step from floor?

It is 12 inches from the floor.

Q: What is the height of the first step??

From the floor to top of 1st step, is 6.75 inches; then, from top of 1st step to the top of 2nd step is 6.25 inches. I have a high bed, so I (& the cats) use it to get to bed. I cautioned you that the top of steps are slippery, so I had to buy Anti-Slip tape - the reason for only 4 stars. Once in place, it is sturdy.