Hi Jack.
Thank you for reaching out regarding your Samsung - 1.6 cu. ft. Over-the-Range Fingerprint Resistant Microwave dimension. Also, for your refrigerator and range. Regarding your concern, the dimension for the microwave would be 29 7/8" W x 16 29/32" H x 15 5/32" D. For the refrigerator, it would be 28 3/4" W x 66 3/4" H x 31 7/8" D, and for the range it would be 29 13/16" W x 46" H x 23 11/16" D.
I suggest you check this link for the full specs, features, and dimensions.
1.6 cu. ft. Over-the-Range Microwave in Fingerprint Resistant Stainless Steel:
https://www.samsung.com/us/home-appliances/microwaves/over-the-range/me16h702ses-1-6-cu-ft-over-the-range-microwave-stainless-steel-me16h702ses-aa/#specs
18 cu. ft. Top Freezer Refrigerator with FlexZone™ and Ice Maker in Stainless Steel:
https://www.samsung.com/us/home-appliances/refrigerators/top-freezer/18-cu--ft--capacity-top-freezer-refrigerator-with-flexzone--and-automatic-ice-maker-rt18m6215sr-aa/#specs
5.8 cu. ft. Freestanding Gas Range with Convection in Stainless Steel:
https://www.samsung.com/us/home-appliances/ranges/gas/nx58h5600ss-gas-range-with-convection-nx58h5600ss-aa/#specs
Should you need more assistance, please feel free to get back to us via the following options:
1. Facebook Messenger: http://m.me/samsungsupport
2. Twitter: https://twitter.com/messages/compose?recipient_id=18768513
3. Samsung Community: https://us.community.samsung.com/t5/Samsung-Community/ct-p/us
Thank you for being a valued customer of Samsung. Have a great day.
Reference Ticket Number: 1144430306
^Camille