What is the circumference of a circle with diameter 1 cm?

Here is the answer to questions like: how to find the perimeter of a circle with diameter 1 cm?

Circle Calculator

Use the this circumference length calculator above to find the perimeter of a circle given its diameter, or other parameters.

Formula to calculate the circumference of a circle

Here a three ways to find the circumference or perimeter of a circle:

Circumference length formula in terms of radius

C = 2·π·r

Circumference length formula in terms of diameter

C = π·d

Circumference length formula in terms of area

C = √4·π·A

Questions this calculator can answer:

• How to find the perimeter of a circle with a radius of 0.5 cm?
• A circle has a diameter of 1 cm. What is its circumference?
• If a circle has a area of 0.7854 square centimeter. What is its perimeter?

Examples of Circumference of a Circle Solutions

• Circunference with area 19.5 pi meters
• Circunference with radius 1.28 centimeters
• Circunference with diameter 5.29 inches

• Circunference with diameter 13.6 m
• Circunference with area 13.5 pi
• Circunference with diameter 1 mm

• Circunference with area 15.5 pi centimeters
• Circunference with area 4.5 pi units
• Circunference with radius 1.49 m

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