*To convert the diameter (D) of a cylinder to its radius (R), you simply divide the diameter by 2. So, if the diameter is 55 units, the radius would be 55/2 = 27.5 units.*

## Cylinder Diameter to Radius Calculator

Diameter (D) | Radius (R) |
---|---|

10 | 5 |

20 | 10 |

30 | 15 |

40 | 20 |

50 | 25 |

60 | 30 |

70 | 35 |

80 | 40 |

90 | 45 |

100 | 50 |

## FAQs

**How do you find the radius of a cylinder with the diameter?** To find the radius of a cylinder from its diameter, you simply divide the diameter by 2.

**What is the radius of this cylinder?** You haven’t provided specific measurements for the cylinder, so I cannot determine its radius without that information.

**Is the diameter of a cylinder the radius?** No, the diameter of a cylinder is not the same as the radius. The diameter is twice the length of the radius. In other words, the diameter is equal to 2 times the radius.

**What is a formula for a cylinder?** The formula for the volume of a cylinder is V = πr^2h, where V is the volume, π (pi) is approximately 3.14159, r is the radius, and h is the height.

**What is the formula for finding the radius of the base of a cylinder?** The formula for finding the radius of the base of a cylinder is not needed because the radius is typically a given value when working with a cylinder. If you have the diameter, you can use the formula r = d/2 to find the radius.

**What is the formula for converting diameter to radius?** The formula to convert diameter to radius is r = d/2, where r is the radius, and d is the diameter.

**What is the radius if the diameter is 10?** If the diameter of a cylinder is 10 units, the radius would be 10/2 = 5 units.

**Is the radius of a cylinder half of its diameter?** Yes, the radius of a cylinder is half of its diameter. In mathematical terms, r = d/2.

**How do you find the diameter of a cylinder?** To find the diameter of a cylinder, you can measure it directly using a ruler or calipers. If you know the circumference of the cylinder, you can also use the formula d = C/π, where d is the diameter and C is the circumference.

**What is the formula for calculating radius?** The formula to calculate the radius of a cylinder is r = d/2, where r is the radius, and d is the diameter.

**Is the diameter of a cylinder always twice the radius?** Yes, the diameter of a cylinder is always twice the length of its radius, so d = 2r.

**What is the radius of a cylinder with a diameter of 16 units?** If the diameter of a cylinder is 16 units, the radius would be 16/2 = 8 units.

**How do you find the radius of a cylinder with the circumference?** To find the radius of a cylinder with the circumference, you can use the formula r = C/(2π), where r is the radius, and C is the circumference.

**What are the three formulas of a cylinder?** The three main formulas for a cylinder are:

- Volume: V = πr^2h
- Surface Area: A = 2πrh + 2πr^2
- Lateral Surface Area: A_lateral = 2πrh

**What is the volume of a circle cylinder?** There is no such thing as a “circle cylinder.” A cylinder is a three-dimensional shape, and the volume of a cylinder is given by the formula V = πr^2h, where r is the radius of the base and h is the height of the cylinder.

**Is the radius of a circle half the diameter?** Yes, the radius of a circle is always half the length of its diameter.

**What is the radius if the diameter is 18?** If the diameter of a circle or cylinder is 18 units, the radius would be 18/2 = 9 units.

**How do you find the radius with the volume?** To find the radius of a cylinder given its volume, you would need the height of the cylinder as well. The formula is V = πr^2h, so if you have the volume (V) and the height (h), you can rearrange the formula to solve for the radius (r): r = √(V / (πh)).

**Is the base of a cylinder the same as the radius?** No, the base of a cylinder is not the same as the radius. The base refers to the circular surface at the bottom or top of the cylinder, while the radius is the distance from the center of the base to the edge.

**How do you convert diameter to R?** “Diameter” and “R” are not standard units or symbols. If you want to convert a diameter (d) to the radius (r), you simply divide the diameter by 2: r = d/2.

**How do you find the radius when given the area and diameter?** To find the radius when given the area and diameter, you would need to know the formula for the specific shape you are working with. For a circle, you can use the formula A = πr^2 to relate the area (A) to the radius (r) and solve for the radius.

**What is the ratio of radius to diameter?** The ratio of radius to diameter is 1:2. In other words, the radius is half the length of the diameter.

**What is radius if diameter is 12?** If the diameter of a circle or cylinder is 12 units, the radius would be 12/2 = 6 units.

**What is the diameter if the radius is 5?** If the radius of a circle or cylinder is 5 units, the diameter would be 2 * 5 = 10 units.

**How can I find the volume of a cylinder?** You can find the volume of a cylinder using the formula V = πr^2h, where V is the volume, π (pi) is approximately 3.14159, r is the radius of the base, and h is the height of the cylinder.

**What is the radius of the diameter if the diameter is 16?** If the diameter of a circle or cylinder is 16 units, the radius would be 16/2 = 8 units.

**What is diameter in radius?** Diameter in terms of radius is always double the value of the radius. In a formula, you can express it as d = 2r, where d is the diameter, and r is the radius.

**How do you convert diameter to length?** Diameter is a measure of length. There’s no need to convert diameter to length because diameter is already a length measurement. If you have the diameter, you can use it directly as a length.

**How do you find the radius of a half cylinder?** The radius of a half cylinder is the same as the radius of a full cylinder with the same base. You can find it using the formula r = d/2, where d is the diameter of the base.

**How do you find the missing side of a cylinder?** The missing side of a cylinder could be the radius, diameter, height, or even the slant height if it’s an oblique cylinder. To find the missing side, you need at least one other dimension and the appropriate formula for the shape of the cylinder.

**Is the radius of a cylinder half the height?** No, the radius of a cylinder is not necessarily half the height. The radius and height are independent measurements, and their relationship depends on the specific dimensions of the cylinder.

**Is the diameter of a cylinder equal to its height?** No, the diameter of a cylinder is not equal to its height. The diameter is a measurement of the width of the cylinder’s base, while the height is the measurement of its vertical extent.

**What is the circumference of the diameter of a cylinder?** The circumference of the diameter of a cylinder is equal to the circumference of the base, and it is given by the formula C = 2πr, where C is the circumference and r is the radius.

**How do you find the radius of a partial circle?** To find the radius of a partial circle, you would need additional information such as the arc length and central angle. The formula would depend on the specific details of the partial circle.

**How do I find circumference with diameter?** You can find the circumference of a circle using the formula C = πd, where C is the circumference and d is the diameter.

**What is the formula for a cylinder with two different radii?** A cylinder with two different radii is typically called a tapered cylinder or a truncated cone. The formula for its volume and surface area depends on the specific dimensions and shape of the cylinder. Please provide more details for a precise formula.

**What is the difference between the radius and the diameter of a cylinder?** The radius of a cylinder is the distance from the center of its circular base to the edge, while the diameter is twice the length of the radius, representing the width of the circular base.

**Is a radius twice the length of its diameter?** No, it’s the other way around. The diameter is twice the length of the radius. Mathematically, d = 2r, where d is the diameter and r is the radius.

**What is the radius of the cylinder if the height of a cylinder is 15cm and the curved surface area is 660 cm²?** To find the radius from the given height (h) and curved surface area (A_lateral), you can use the formula A_lateral = 2πrh. Rearrange it to solve for the radius (r): r = A_lateral / (2πh). Substitute the values to calculate the radius.

**How do you find the radius from the surface area of a cylinder?** To find the radius from the surface area (A) of a cylinder, you need to know either the height (h) and lateral surface area (A_lateral) or the total surface area (A_total). The formula depends on the information provided and can be rearranged accordingly.

**What is the formula for finding radius from circumference?** The formula to find the radius from the circumference (C) is r = C / (2π), where r is the radius, and π (pi) is approximately 3.14159.

**What is the formula for the best of a cylinder?** I’m not sure what you mean by “the best” of a cylinder. If you meant to ask about the volume or surface area of a cylinder, I’ve already provided those formulas earlier in this response.

**What is the formula for a cylinder and cube?** The formula for the volume of a cylinder is V = πr^2h, and for a cube, it is V = s^3, where V is the volume, π (pi) is approximately 3.14159, r is the radius (for the cylinder), h is the height (for the cylinder), and s is the side length (for the cube).

**What are all the formulas of a hollow cylinder?** For a hollow cylinder (a cylinder with an inner radius and outer radius), the formulas for volume and surface area are as follows:

- Volume (V) = πh(R^2 – r^2), where R is the outer radius, r is the inner radius, and h is the height.
- Lateral Surface Area (A_lateral) = 2πh(R + r), where R is the outer radius, r is the inner radius, and h is the height.
- Total Surface Area (A_total) = 2πh(R + r) + 2π(R^2 – r^2), where R is the outer radius, r is the inner radius, and h is the height.

**What is the exact volume of a cylinder with a diameter?** The exact volume of a cylinder with a diameter depends on the height (h) and is given by the formula V = (π/4)d^2h, where V is the volume, π (pi) is approximately 3.14159, and d is the diameter.

**How do you find the volume of a cylinder with circumference?** To find the volume of a cylinder with the circumference (C), you would also need to know the height (h). You can rearrange the formula for the circumference to solve for the radius (r) first (r = C / (2π)), and then use the volume formula V = πr^2h to find the volume.

**Is the volume of a cylinder 3 times?** No, the volume of a cylinder is not 3 times any specific value. The volume of a cylinder depends on its dimensions, specifically the radius (r) and height (h), and is calculated using the formula V = πr^2h.

**What is the radius of a circle called?** The distance from the center of a circle to any point on its circumference is called the radius of the circle.

**How do you find the radius of a circle without the diameter?** To find the radius of a circle without the diameter, you would need to measure it directly using a ruler or other measuring tool. Alternatively, if you know the area or circumference of the circle, you can use the appropriate formulas to calculate the radius.

**What is the formula for finding surface area of a cylinder?** The formula for finding the surface area of a cylinder is A = 2πrh + 2πr^2, where A is the surface area, π (pi) is approximately 3.14159, r is the radius, and h is the height.

**What is my radius if my diameter is 8?** If the diameter of a circle or cylinder is 8 units, the radius would be 8/2 = 4 units.

**What is the formula of radius using diameter?** The formula to calculate the radius (r) using the diameter (d) is simply r = d/2.

**What is radius if diameter is 2?** If the diameter of a circle or cylinder is 2 units, the radius would be 2/2 = 1 unit.

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