This free online calculator will help you to find the area of a cone surface.

Using this online calculator, you will receive a detailed step-by-step solution to your problem, which will help you understand the algorithm how to find cone surface area.

Calculator

Guide

Some theory

Calculation of Cone Area

Enter the value of radius and slant height of the cone

R =

l =

Entering data into the cone area calculator

You can input only integer numbers or fractions in this online calculator. More in-depth information read at these rules.

N.B. In online calculator you can use the value in the same units of measurement!