Total the two and add 1 4 inch.
Tub spout copper pipe too long.
Need help with bathtub spout replacement nub is too short.
Smsplumbing md the pipe looks to be soldered but your spout is still on so its hard to see the side that is in the spout.
Reduce that measurement by 1 5 inches and cut the pipe there.
To use the threaded adapter measure from the shoulder of the existing adapter to the wall.
Solder on a new adapter.
For slip on tub spouts your copper pipe should be a minimum 1 and a maximum 2 7 8 in length depending on the tub spout.
Tub spout nipple too long after remodel.
If it is copper inside the spout cut the male adapter off and buy the slip on spout.
The result is the overall length of the pipe you need.
You can cut the pipe and solder on another male threaded adapter or you can cut the pipe and use the slip fit adapter.
Refer to the manufacturer s specifications prior to purchasing and installing to ensure you have the appropriate length for your spout.
Measure the length of your tub spout from the back edge of the spout to the front where the threads start on the inside of the spout.
Use teflon tape on all male pipe threads and caulking behind the spout base.
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Now cut another piece of 1 2 copper 1 3 8 long you may now solder the piece in using two couplings or two sharkbite connectors.
That means with the tile you can no longer reach the threads in the spout.
Well you have a choice.
In my opinion i would have replaced the whole faucet.
Cut a piece out of the copper pipe 1 long.
The faster just as appropriate but may not look that good repair is to apply enough caulking into the gap so that it can be smoothed flush with the spout.
Then measure the distance from the surface of the wall to the back of the threaded elbow inside the wall.
Everything else is new.
You need to un screw the spout and the pipe nipple.
Replace with a shorter nipple equal to the gap measurement.