Measure from the edge of the last tile in a course to the corner.
How to tile outside corner wall.
Cut the final piece of tile on a wet saw to fit.
Apply mortar to.
Layout the tiles for the second wall.
Lay out the tiles along the first wall that comes up to the corner.
I hope that answers the question.
Subtract 1 4 inch from the measurement you.
Use tile plastic corner trims for a neat look caulk the corners rather than applying grout leave enough room for til expansion.
Looks better than using cuts on the corner itself.
How to tile inside corner walls step 1.
Install the tiles on the first wall making the final tiles flush with the end of the wall.
I do not recommend finishing any tile edge with caulking.
Nearly any type of tile can be used on an exterior wall including.
How to ceramic tile an outside corner 1.
If you cant find a suitable corner round you could finish the edge of the tile at the front of the curb or finish the front edge corner if you choose to tile the front side of the curb which i recommend with grout.
A plain garden or patio outdoor wall will look more finished with the application of tile.
Use tile plastic corner trims for a neat look take accurate measurements before cutting the tiles.