What size pillow should you get if you have a Double Bed? Rebecca Leonard April 09, 2019 11:05 Updated Follow A standard sized pillow, measuring 50cm x 75cm is best for a double bed. Shop all our pillows. Related articles What is the ideal depth of pillow for a side sleeper? What size pillow should you get if you have a Single Bed? Comments 0 comments Please sign in to leave a comment.