Depends on what kind of bicycle or how you re intending to ride it.
Should you touch the floor on a road bike.
Even worse road bikes and trailsbikes are usualy ridden with clip in pedals.
Depends on what sort of bike you re riding.
If your feet are flat on the ground the saddle is too low and needs raising and if your toes are just touching the ground right on your tip toes either your bike is too big for you or the saddle is too high.
If you re doing bmx tricks that s probably about right.
When you sit on the saddle both feet should reach the floor and the balls of your feet should be touching the ground.
Road bikes and trail bikes xc am put the rider into a very efficent riding position but the rider cannot touch the ground with the soles.
You get off your saddle and stand over the top bar of the.
For pretty much everything else the seat is way too low.
As long as he got you set up w the correct saddle height and close on the reach drop you should be fine.
He might have given that advice based on this being your first road bike and that you needed to just go out and ride for a little while to get used to it.
Dutch style town bikes cargo bikes etc you should be able to touch the ground.
The few last answers by cyclists are right.
You should not be able to touch the ground when stopped on a bike while sitting on the saddle.
Yes bring your butt off of the saddle and straddle the top tube of the bike when you stop.
Same as far as i know goes for most mountain bikes except downhillers.
Ideally you should look for a reach where your elbows bend slightly when your hands are on the hoods without your spine flexing and bending to reach the bars for a good road bike fit.
If it s a road bike no you shouldn t be able to touch the ground.
Bmxs and trials bikes have almost uselessly low saddles.
But as noted previously your fit needs will change as your fitness and strength grows.
Then when you re ready to go again put one foot on a pedal and the other on the ground.