Converter

length · France / Europe · Medieval–modern

toise

approx.
Record
M181
Definition quality
Historically documented
Conversion mode
multiplicative
Calculator
Approximately calculable

Definition

1 toise = 6 pieds du Roi; The Met gives ≈1.949 m.

Reference value

One toise is understood to be about 1.949 metres.

History & use

Used in French surveying, architecture, and scientific geodesy.

Modern use

Modern-use scope is context-dependent; the website should follow the record's current-status and regional/system labels rather than imply universal use.

Did you know?

The toise connected everyday building measurement with major Enlightenment-era scientific measurement.

Sources & evidence

Related measurements

length · International · Modern

SI base unit of length. Its definition fixes the speed of light in vacuum at exactly 299,792,458 m/s, with the second defined from the caesium-133 hyperfine frequency.

length · International · Modern

1 km = 1000 m by the SI prefix kilo-.

length · International · Modern

1 cm = 0.01 m by the SI prefix centi-.

length · International · Modern

1 mm = 0.001 m by the SI prefix milli-.

length · UK / US · Modern / historical

1 international inch = exactly 0.0254 m.

length · UK / US · Modern / historical

1 international foot = exactly 0.3048 m.

length · UK / US · Modern / historical

1 international yard = exactly 0.9144 m.

length · UK / US · Modern / historical

1 international mile = exactly 1609.344 m = 1760 yd.