Translation guide
The distance around a circle or round object, or the outer edge of something.
The mathematical or physical measurement around a circle or circular object.
The standard term for the circumference of a circle in mathematics and everyday use.
この円の円周を計算してください。
Please calculate the circumference of this circle.
A more technical term for perimeter or circumference, used in geometry and engineering.
この図形の周長を求めなさい。
Find the perimeter of this shape.
The measurement around a physical object like a tree, waist, or pipe.
Used for the distance around an object or area, such as a tree trunk or a lake.
その木の周囲は３メートルです。
The circumference of that tree is 3 meters.
Specifically for the girth or circumference of a body or torso, like waist measurement.
Outer circumference or perimeter, often used for running tracks or property boundaries.
The line or area forming the outer limit of something, not necessarily circular.
Can also mean the surrounding area or perimeter in a general sense.
湖の周囲を散歩した。
I walked around the circumference of the lake.
Outer edge or perimeter, often used for physical boundaries like fences or walls.
円周 (enshuu) is strictly for circles. 周囲 (shuui) is for the distance around any object or area, and also means 'surroundings'. 外周 (gaishuu) emphasizes the outer boundary, like a track or property line.
ウエストの胴回りを測ってください。
Please measure your waist circumference.
このトラックの外周は４００メートルです。
The outer circumference of this track is 400 meters.
敷地の外周にフェンスを設置した。
We installed a fence around the circumference of the property.