/ˌæn.θrəˈpɒm.ə.tri/

Anthropometry

noun · design & proportion

What it is

Anthropometry records the body in numbers: standing height, eye level, reach, seat height, the span of the shoulders, the length of the forearm. Because no two bodies are identical, the data is gathered as a population and reported in percentiles — the 5th-percentile reach, the 95th-percentile stature — so a designer can decide what range a doorway, a chair, or a control panel must accommodate. The discipline turns the variable human body into dimensions a drawing can use.

It connects measurement to proportion. Where proportion studies the ratios between parts, anthropometry supplies the actual lengths those ratios are built from, and notices that many recur: total height to navel height approaches the golden section, span tends to equal stature. Designers exploit these regularities to make objects that fit, and proportional systems borrow them to anchor abstract ratios to a real body.

Etymology

The term joins Greek anthrōpos (human being) with metron (measure). It was coined in the eighteenth century and given systematic form in the nineteenth by the Belgian statistician Adolphe Quetelet and the French criminologist Alphonse Bertillon, who used body measurements for identification. In the twentieth century it shifted decisively toward design, supplying the human dimensions on which ergonomics and industrial design are built.

Examples in use

Le Corbusier's Modulor begins from a single anthropometric figure — a man with his arm raised — and derives a whole scale of building dimensions from his height and reach. Henry Dreyfuss's The Measure of Man turned anthropometric data into the standard reference charts that postwar industrial designers worked from.

Panero and Zelnik's Human Dimension and Interior Space tabulates the clearances a room, a counter, or a stair must provide for its users, making anthropometry the quiet basis of nearly every functional layout.