Compare the listed heights of Kevin Hart (157 cm) / Danny DeVito (147 cm) on one scale; the gap is 10 cm.
Listed height: Kevin Hart 157 cm. Range on this board: Danny DeVito 147 cm – Dwayne 'The Rock' Johnson 196 cm (49 cm). These are reference values, not measurements made by this site.
Height source: Wikipedia
Dwayne 'The Rock' Johnson is 21 cm (8.3 in) taller than Average Man, a gap of 12%. Dwayne 'The Rock' Johnson is 39 cm (15.4 in) taller than Kevin Hart, a gap of 24.8%. Dwayne 'The Rock' Johnson is 49 cm (19.3 in) taller than Danny DeVito, a gap of 33.3%. Average Man is 18 cm (7.1 in) taller than Kevin Hart, a gap of 11.5%. Average Man is 28 cm (11 in) taller than Danny DeVito, a gap of 19%. Kevin Hart is 10 cm (3.9 in) taller than Danny DeVito, a gap of 6.8%.
In our table of modelled mean heights at age 19 (NCD-RisC), 157 cm is below the average for men in all 27 countries, 3.1 cm (1.2 in) less than the lowest, Timor-Leste at 160.1 cm.
Real people with a profile here near this height: Lady Gaga (155 cm, −2 cm), Cardi B (160 cm, +3 cm), and Muggsy Bogues (160 cm, +3 cm).
Compare the listed heights on one scale and check the size of the gap.
Within this curated comparison group, listed heights range from Danny DeVito at 147 cm (4'9.9") to Dwayne 'The Rock' Johnson at 196 cm (6'5.2"), an overall spread of 49.0 cm (19.3 inches). Kevin Hart's reference value is 157 cm (5'1.8"). The shared baseline makes these numerical gaps easier to compare without estimating them from a photograph.
Kevin Hart is listed here at 157 cm (5'1.8"), approximately 5 feet 1.8 inches. This selected comparison ranges from Danny DeVito at 147 cm (4'9.9") to Dwayne 'The Rock' Johnson at 196 cm (6'5.2").
The tallest figure featured here is Dwayne 'The Rock' Johnson at 196 cm (6'5.2"), and the shortest is Danny DeVito at 147 cm (4'9.9"). The net height difference between the two extreme endpoints is 49.0 cm (19.3 inches).
