How do you draw a perfect circle in Inkscape?

This article provides a straightforward, step-by-step guide on how to draw a perfectly round circle using the Ellipse tool in Inkscape. Whether you are a beginner learning the interface or a designer looking for a quick workflow refresher, you will learn the exact keyboard shortcuts and mouse actions required to lock your proportions and create uniform circles instantly, bypassing the frustration of manually tweaking uneven ovals.

Step-by-Step Instructions

1. Select the Ellipse Tool: Open your Inkscape document and locate the toolbar on the left side of your screen. Click on the tool icon that looks like an oval or circle. Alternatively, you can press the E or F5 key on your keyboard to activate the tool immediately.
2. Hold the Control Key: This is the single most important step for maintaining perfect mathematical proportions. Before you begin drawing your shape, press and hold down the Ctrl key (on Windows and Linux) or the Control key (on macOS).
3. Click and Drag: While keeping the control key held firmly down, click anywhere on your canvas and drag your cursor diagonally. The control key forces the tool to snap to a 1:1 aspect ratio, ensuring the ellipse remains a perfect circle as it expands.
4. Release the Mouse First: Once your circle has reached the desired size, let go of your mouse button first. After the mouse button is fully released, you can safely let go of the control key. If you release the control key before the mouse button, Inkscape will drop the 1:1 constraint and the shape will revert back to a freeform ellipse.