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Rhombus vs. Square: What's the Difference?

Edited by Janet White || By Harlon Moss || Updated on October 27, 2023
A rhombus is a four-sided shape with equal sides, while a square is a rhombus with all right angles.

Key Differences

A rhombus is a type of quadrilateral, which means it has four sides. The defining characteristic of a rhombus is that all four of its sides are of equal length. It does not necessarily have right angles, and its opposite angles are equal. Essentially, if you take a square and tilt it, you can produce a rhombus. A rhombus can look like a "slanted" square, but its angles are not restricted to 90 degrees, allowing for more variability in its shape.
In contrast, a square is also a quadrilateral and is a specific type of rhombus. Not only are all its sides equal in length, like a rhombus, but all its angles are right angles. This combination of equal sides and right angles makes the square a regular quadrilateral, signifying symmetry in both its sides and angles. It's a shape that's as wide as it is tall, given its perfect right angles.
While every square is a rhombus due to its equal-length sides, not every rhombus is a square. The distinguishing factor lies in the angles. If a rhombus has right angles, it graduates to the category of a square. Otherwise, it remains simply a rhombus. It's similar to how every square is a rectangle, but not every rectangle is a square.
The real-world implications of these distinctions can be seen in various applications. For example, in design and architecture, the choice between a rhombus and square can impact aesthetics and structural integrity. While the rhombus offers a dynamic, perhaps unconventional shape, the square provides a sense of stability and uniformity.

Comparison Chart


Quadrilateral with all sides of equal length
Quadrilateral with all sides equal and all angles right


Not necessarily right angles
Always right angles (90°)


All sides are equal
All sides are equal


Bisect opposite angles; not necessarily equal
Bisect angles and are equal in length


Not regular (unless it's a square)
Regular quadrilateral

Rhombus and Square Definitions


A quadrilateral with no right angles but sides of identical length.
The child identified the rhombus among various shapes presented.


A shape with four right angles and equal-length sides.
He outlined a square on the ground for the game.


A four-sided shape where opposite sides are parallel and all sides are congruent.
The logo was shaped like a rhombus, tilting slightly to the right.


A flat shape with four 90° angles and congruent sides.
The park was shaped like a large square, with trees on all sides.


A parallelogram with all four sides of equal length.
She drew a rhombus on the board to demonstrate its slanted sides.


A regular quadrilateral with symmetrical dimensions.
She loved the simplicity and symmetry of a square.


A slanting square with equal sides but varying angles.
He noticed that pushing the top of a square created a rhombus.


A geometric figure that is both a rhombus and a rectangle.
Among the shapes, the square stood out due to its regularity.


A diamond-shaped figure with congruent sides.
She wore a pendant in the shape of a rhombus.


A polygon having four equal sides and four equal angles.


An equilateral parallelogram, especially one having oblique angles. Also called rhomb.


A rectangle with all sides and angles equal.
The artist painted a perfect square on the canvas.


How does a square differ from other quadrilaterals?

A square has equal sides and all right angles, making it a regular quadrilateral.

What is a rhombus?

A rhombus is a four-sided shape where all sides are of equal length.

How do the diagonals of a rhombus behave?

In a rhombus, diagonals bisect opposite angles and are perpendicular but not necessarily equal.

Can a rhombus have right angles?

Yes, when a rhombus has right angles, it is called a square.

Do squares and rhombi have the same perimeter for the same side length?

Yes, given the same side length, both have the same perimeter.

What's a distinguishing feature of a square?

A square's distinguishing feature is its right angles combined with equal sides.

Are all rhombi symmetrical?

No, only when a rhombus is also a square is it fully symmetrical.

Can a rhombus be a square?

Yes, when the rhombus has all right angles, it is a square.

What's the significance of a square in geometry?

The square is significant due to its regularity and is a foundation for various geometric concepts.

What makes the square a foundational geometric shape?

Its regularity and the principles derived from it make the square foundational in geometry.

Why is a square considered regular?

A square is regular because both its sides and angles are congruent.

What shapes evolve from tilting a square?

Tilting a square can produce a rhombus.

Why is the square used as a standard for area measurement?

Due to its regular shape, the square provides a consistent standard for measuring area.

How do the sides of a rhombus compare to a square?

Both rhombus and square have equal-length sides.

Are there practical applications where choosing between a rhombus and square matters?

Yes, in design, architecture, and engineering, the choice can impact aesthetics and structure.

Is every square a rhombus?

Yes, every square is a rhombus, but not vice versa.

How do diagonals in a square differ?

In a square, diagonals are equal in length, bisect angles, and are perpendicular.

Do rhombi always look like slanted squares?

Not always; rhombi can have varied angles but always have equal sides.

How can I turn a square into a rhombus?

By pushing or tilting one of its angles, a square can become a rhombus.

Can a shape be both a rectangle and a rhombus?

Yes, that shape is called a square.
About Author
Written by
Harlon Moss
Harlon is a seasoned quality moderator and accomplished content writer for Difference Wiki. An alumnus of the prestigious University of California, he earned his degree in Computer Science. Leveraging his academic background, Harlon brings a meticulous and informed perspective to his work, ensuring content accuracy and excellence.
Edited by
Janet White
Janet White has been an esteemed writer and blogger for Difference Wiki. Holding a Master's degree in Science and Medical Journalism from the prestigious Boston University, she has consistently demonstrated her expertise and passion for her field. When she's not immersed in her work, Janet relishes her time exercising, delving into a good book, and cherishing moments with friends and family.

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