Circumference of a 45 Foot Diameter Circle

What is the circumference of a circle with a diameter of 45 ft? How far around is a circle that is 45 feet across?

Diameter

meters

Units

Circumference of a 45′ diameter circle

results may be rounded

The circumference of a circle is pi times its diameter.

Circumference = π * Diameter

The diameter of a circle is the distance from one edge to the other, passing through the center. It is twice the radius.

Circle Circumference by Diameter

results may be rounded

Diameter	ft	in	m
45′0″	141.4	1,696	43.09
45′1″	141.6	1,700	43.17
45′2″	141.9	1,703	43.25
45′3″	142.2	1,706	43.33
45′4″	142.4	1,709	43.41
45′5″	142.7	1,712	43.49
45′6″	142.9	1,715	43.57
45′7″	143.2	1,718	43.65
45′8″	143.5	1,722	43.73
45′9″	143.7	1,725	43.81
45′10″	144.0	1,728	43.89
45′11″	144.3	1,731	43.97