Keys for using Measurement (Photoshop Extended)

Result	Windows	Mac OS
Record a measurement	Shift + Control + M	Shift + Command + M
Deselects all measurements	Control + D	Command + D
Selects all measurements	Control + A	Command + A
Hide/show all measurements	Shift + Control + H	Shift + Command + H
Removes a measurement	Backspace	Delete
Nudge the measurement	Arrow keys	Arrow keys
Nudge the measurement in increments	Shift + arrow keys	Shift + arrow keys
Extend/shorten selected measurement	Ctrl + left/right arrow key	Command + left/right arrow key
Extend/shorten selected measurement in increments	Shift + Ctrl + left/right arrow key	Shift +Command + left/right arrow key
Rotate selected measurement	Ctrl + up/down arrow key	Command + up/down arrow key
Rotate selected measurement in increments	Shift + Ctrl + up/down arrow key	Shift + Command + up/down arrow key
Hide nearest surface	Alt + Ctrl + X	Option + Command + X
Show all surfaces	Alt + Shift + Ctrl + X	Option + Shift + Command + X