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Therefore, the circumference depends only on the size of r. That is why you only need to enter r here to get the circumference The calculator will only accept positive value for r since a distance cannot be negative As a reminder, if r = 4 cm for instance, circumference = 2 ×3.14 ×4 = 25.12 cm


Circle Shape. r = radius d = diameter C = circumference A = area π = pi = 3.1415926535898 √ = square root. Calculator Use. Use this circle calculator to find the area, circumference, radius or diameter of a circle. Given any one variable A, C, r or d of a circle you can calculate the other three unknowns.


The purpose of this calculator demonstration is to calculate the circumference of a circle. To use this calculator, begin by entering the diameter of a given circle and PI. Click on the "Calculate" button for the returned calculated value of he circle's circumference.


Circumference calculator is a free tool used to calculate the circumference of a circle when the radius is given. It can be also used to calculate other parameters of a circle such as diameter, radius and area. This means you can use this tool to do other calculations such as diameter to circumference, radius to area, radius to cicumference ...


To calculate the circumference of a circle, use the formula C = πd, where "C" is the circumference, "d" is the diameter, and π is 3.14. If you have the radius instead of the diameter, multiply it by 2 to get the diameter. You can also use the formula for circumference of a circle using radius, which is C = 2πr.


Four versions of a circumference calculator to solve geometric problems. Find circumference, radius, diameter, area, the circumference of a circle, inscribed in a square, the side length of a square by circumference. Stepwise solutions are provided.


Since you put one of two pieces of information into the circumference calculator, there are two ways to calculate circumference. If you use the diameter of a circle, the calculator uses the formula that multiplies diameter by the number pi, which equals approximately 3.14.


Circumference Calculator. The following calculator finds the circumference based on the radius of a circle. The π value being used in rounded to 3.14. Type the value in the radius field and press the '»' button.


Use our circumference calculator to find the radius when you only have the circumference or area of a circle. If you wish to calculate the properties of a three-dimensional solid, such as a sphere, cylinder or cone, it's best to use our volume calculator.


If either the radius of a circle (r) or the diameter of the circle (D) is known, you can find the circumference by simply substituting the known value for r or D in the formula. Use 3.14 for π. Examples #1