Height

Height was the measure of a person or object from the foot or base to the top.

Imperial
Rose Tyler was five feet four inches tall. (TV: Aliens of London)

The Seventh Doctor was five feet six inches tall. (PROSE: Timewyrm: Genesys)

Alydon was "about" six feet four inches tall. (PROSE: Doctor Who in an Exciting Adventure with the Daleks)

Harker Libra was six feet seven inches tall. (PROSE: The Outlaw Planet)

The Zarbi Supremo was approximately twenty feet tall. (PROSE: The Lair of Zarbi Supremo)

Metric
Jane McKillen was 140 centimetres tall. (TV: Fear Her)

Dale Hicks was 150 centimetres tall. (TV: Fear Her)

In the Shadow World, one member of the Pope's entourage was 156.9 centimetres tall. (TV: Extremis)

In the Shadow World, one member of the Pope's entourage was 158.2 centimetres tall. (TV: Extremis)

In the Shadow World, one member of the Pope's entourage was 162.9 centimetres tall. (TV: Extremis)

The Secretary General was 165.2 centimetres tall. (TV: The Pyramid at the End of the World)

In the Shadow World, one member of the Pope's entourage was 166.2 centimetres tall. (TV: Extremis)

Xiaolian was 167.0 centimetres tall. (TV: Extremis)

Bill Potts was 167.6 centimetres tall. (TV: The Pyramid at the End of the World)

Nardole was 167.7 centimetres tall. (TV: The Pyramid at the End of the World)

In the Shadow World, the President of the United States of America was 169.7 centimetres tall. (TV: Extremis)

In the Shadow World, Cardinal Angelo was 170.0 centimetres tall. (TV: Extremis)

A Commander was 176.7 centimetres tall. (TV: The Pyramid at the End of the World)

Don Brabbit was 177.6 centimetres tall. (TV: The Pyramid at the End of the World)

In the Shadow World, one member of the Pope's entourage was 179.4 centimetres tall. (TV: Extremis)

In the Shadow World, Piero was 185.2 centimetres tall. (TV: Extremis)

Ilya Svyatoslavovich was 186.7 centimetres tall. (TV: The Pyramid at the End of the World)

One of the Monks was 204.6 centimetres tall. (TV: The Pyramid at the End of the World)

One of the Monks was 214.3 centimetres tall. (TV: The Pyramid at the End of the World)

In the Shadow World, one of the Monks was 228.7 centimetres tall. (TV: Extremis)

Imperial
Goronians (PROSE: The Door into Bedlam) and Kleptons (COMIC: The Klepton Parasites) were about three feet tall.

Therovians were about four feet tall. (COMIC: The Therovian Quest)

The Visians were about eight feet tall. (TV: The Daleks' Master Plan) The humanoid natives of one planet were eight feet tall. (PROSE: Follow the Phantoms)

Tryods were nine feet tall. (PROSE: The Word of Asiries)

The Hervoken (PROSE: Forever Autumn) and the Drellerans (AUDIO: Destination: Nerva) were ten feet tall.

The Lunaries were about fifteen feet tall. (PROSE: Minions of the Moon)

The Grold were eighteen feet tall. (PROSE: The Eye of the Giant)

One species was nearly one hundred feet tall. (PROSE: When Starlight Grows Cold)

The people of Ravenscala were 600 feet tall. (TV: The God Complex)

Metric
Larvae guns were approximately half a metre tall. (TV: The Web Planet)

Cimmerians and Solarians stood about one metre tall. (AUDIO: Embrace the Darkness) The Pakhars were only a metre tall when standing upright. (PROSE: Legacy)

The Zolfa-Thurans reached around 1.5 metres tall. (TV: Meglos)

Judoon were two metres tall. (TV: Smith and Jones)

Beserkat Felines, (PROSE: The Doctor Trap) Dominators (PROSE: The Dominators) and Drudges (PROSE: Lungbarrow) were two and a half metres tall.

The Chakra, (PROSE: The Pit) the Megalosaurus, (PROSE: The Last Dodo) the Veltrochni (PROSE: The Dark Path) and Vespiforms (TV: The Unicorn and the Wasp) were three metres tall.

An adult Drexxon was roughly five metres tall. (PROSE: Death Riders)

Kaldarean bedmites were on average thirty metres tall at birth. (TV: The Last Precinct)

Objects
The Trojan Horse was about forty feet tall. (TV: The Myth Makers)

The Aztec temple visited by the First Doctor was 250 feet tall. (PROSE: The Aztecs)

The Chanin Tower was 680 feet tall. (TV: The Chase)

The Chrysler Tower was 1046 feet tall. (TV: The Chase)

The Empire State Building was 1473 feet tall, making it the tallest building and structure on Earth as late as 1966. (TV: The Chase)

The Citadel of the Fleet was twelve kilometres tall. (PROSE: The Secret in Vault 13)