How to Draw a Parabolic Curve (a Curve with Straight Lines)

Co-authored by Swetha Shenoy

Last Updated: March 8, 2025

A parabolic curve is a two-dimensional drawing that seems to make a curve. It is very easy to do, and once you master it, the possibilities are endless!

Method 1

Method 1 of 4:

Drawing a Simple Curve with Graph Paper

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When you are learning, it is best to use graph paper.^{[1]
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Expert Source

Swetha Shenoy
Modern Calligraphy & Watercolor Artist

Expert Interview} If you don't have any graph paper, continue on to method 2.
Put the paper so the long end is on the bottom/top and the short ends on the side. If you are using square graph paper, you can skip this step.

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Using a ruler, draw a line from the top left square to the right of the bottom left cube. Make sure the line is straight.^{[2]
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Make sure you don't connect the wrong end to wrong end, as it is hard to erase.^{[4]
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Method 2

Method 2 of 4:

Drawing a Simple Parabolic Curve without Graph Paper

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Draw a right angle. The taller you make it, the smoother your Parabolic Curve will be.^{[5]
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on both sides of the angle. Make sure they are evenly spaced and equal on both sides.
Make sure the line is straight. Repeat with the next notch^{[6]
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Make sure you don't connect the wrong end to wrong end, as it is hard to erase.

Method 3

Method 3 of 4:

Draw a Circle Parabolic Curve

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Draw a circle.^{[8]
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Research source}Use a compass, as it is essential that it is a good circle.
Notch them in equal distance from each other.
Continue as needed.

Method 4

Method 4 of 4:

Other ways to draw a Parabolic Curve

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This is a really cool doodle that isn't too hard. Simply draw the cube first, then use the angles of the cube to make the curves.
Make it using yarn or string. This is even cooler than doing it on paper!
This makes the curve narrower or wider.
This makes a three-sided star.

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Question

How do I change my layout from square to round?

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Use a compass to draw a circle, as shown in the example. This can be done on any type of paper.

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How do I make a parabolic curve without a ruler?

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Use the edge of a piece of paper or anything straight, or go freehand. Visually guess the distances if you don't have graph paper.

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How do I draw the center of a parabola?

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Technically the center of a parabola is undefined since a parabola exists infinitely.

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