French (Ancien Régime) units of measurement
11 units from this system across 6 categories, 11 of them historical or traditional.
Length
| Unit | Symbol | Value in meters |
|---|---|---|
| ligne | ligne | 0.002255829062 m |
| pouce | pouce | 0.02706994875 m |
| pied du roi | pied | 0.324839385 m |
| toise | toise | 1.94903631 m |
| lieue (Paris league) | lieue | 3,898.07262 m |
Area
| Unit | Symbol | Value in square meters |
|---|---|---|
| arpent (North American) | arpent | ≈ 3,418.89 m² |
Temperature
| Unit | Symbol | Value in kelvins |
|---|---|---|
| degree Réaumur | °Ré | — |
| degree Delisle | °De | — |
Power
| Unit | Symbol | Value in watts |
|---|---|---|
| poncelet | poncelet | 980.665 W |
Pressure
| Unit | Symbol | Value in pascals |
|---|---|---|
| pièze | pz | 1,000 Pa |
Force
| Unit | Symbol | Value in newtons |
|---|---|---|
| sthène | sn | 1,000 N |