Cone Flat Pattern Generator
Generate accurate flat pattern layouts for cones. Calculate slant height, sector angle, and base circumference for DIY projects and fabrication.
Cone Flat Pattern Generator
Generate the flat template layout for a full or truncated cone
Quick Presets
Flat Pattern: Unrolling a cone produces a sector of an annulus (ring). The slant height becomes the radius and the base circumference becomes the arc length.
Flat Pattern & Dimensions
Visual template with all critical measurements
Flat Pattern Preview
Slant Height11.18
Arc Angle161.08°
Arc Length31.42
Lateral Area175.93
Total Area254.47
Volume261.80
Solution Steps
How to Use Cone Flat Pattern Generator in 3 Easy Steps
1
Step 1
Enter base radius.
2
Step 2
Enter vertical height.
3
Step 3
View slant height and sector angle.
Frequently Asked Questions
It is the distance from the tip of the cone to any point on the base edge.
Cut the sector, roll it until the straight edges meet, and join them.