Mechanical Keyboard Sizes Explained

Par LRobin
5 min de lecture
Mechanical Keyboard Sizes Explained

Mechanical Keyboard Sizes Explained: Which Layout Is Right for You?

When choosing a mechanical keyboard, one of the most important decisions isn’t the switch—it’s the size. Keyboard layout affects your desk space, typing comfort, portability, and even your workflow efficiency.

In this guide, we’ll walk through the most common keyboard sizes and help you decide which one fits your setup best.

100% (Full-Size Keyboard)

Keys: ~104–108
Includes: Number pad, function row, arrow keys, navigation cluster

A full-size keyboard includes everything: F-row, arrows, navigation keys, and a dedicated number pad.

Best for:

  • Office and data entry work

  • Finance and accounting

  • Users who rely heavily on the numpad

Pros:

  • No compromises

  • Familiar layout

  • Ideal for Excel and numbers

Cons:

  • Takes up significant desk space

  • Mouse sits further away (less ergonomic for some users)

80% (TKL – Tenkeyless)

Keys: ~87
Includes: Everything except number pad

TKL removes the number pad but keeps the function row and arrow cluster.

Best for:

  • Gamers

  • General productivity users

  • People who want more mouse space

Pros:

  • Saves desk space

  • More ergonomic mouse positioning

  • Still very functional

Cons:

  • No dedicated numpad

TKL is one of the most balanced and popular layouts today.

TKL (Tenkeyless) keyboards remove the number pad to save desk space while keeping all essential keys.
They are popular among gamers and enthusiasts who want a balance between compact size and functionality.

A good example is our Chosfox Leo80, a budget-friendly TKL keyboard designed for both gaming and productivity.

75% Layout

Keys: ~80–84
Includes: F-row, arrows, compressed navigation cluster

A 75% keyboard keeps the function row but tightens the layout, reducing empty space between key groups.

Best for:

  • Minimalist setups

  • Portable workstations

  • Users who want compact but complete functionality

Pros:

  • Compact yet powerful

  • Clean, modern aesthetic

  • Efficient desk use

Cons:

  • Layout slightly tighter

  • Some keys repositioned

Many enthusiast boards like the Vero75 fall into this category because it balances usability and desk space beautifully.

65% Layout

Keys: ~66–68
Includes: Arrow keys, no function row

The 65% layout removes the function row but keeps arrow keys, which makes it a favorite among gamers and programmers.

Best for:

  • Gamers

  • Coding

  • Compact desk setups

Pros:

  • Very space-efficient

  • Retains arrows

  • Highly portable

Cons:

  • F-keys require function layer

  • 65% Keyboard Layout

    The 65% keyboard layout is one of the most popular compact formats.
    It removes the function row and numpad while keeping arrow keys and navigation keys, making it ideal for users who want a small keyboard without losing essential functionality.

    Compared to a full-size keyboard, a 65% layout saves desk space and allows for a more ergonomic mouse position.

    Recommended Keyboard

    A great example of this layout is the Chosfox Fox65.

    • CNC aluminum case

    • Gasket mount structure

    • Hot-swappable PCB

    • Tri-mode connection (USB / 2.4G / Bluetooth)

    • QMK / VIA support

    The board uses a compact 65% layout with around 64–67 keys, offering a balance between portability and usability.

    This makes it a perfect choice for gamers, programmers, and enthusiasts who prefer a clean desk setup.

60% Layout

Keys: 60–61
Includes: Alphas + modifiers only

The 60% layout removes the function row, arrows, and navigation cluster. Everything is accessed through function layers.

Best for:

  • Travel

  • Ultra-minimal setups

  • Advanced users comfortable with layers

Pros:

  • Extremely compact

  • Clean aesthetic

  • Maximum mouse space

Cons:

  • Learning curve

  • Heavy reliance on Fn layers

40% Layout

Keys: ~40–48
Includes: Only essential keys

A 40% keyboard removes the number row and relies heavily on layers. It’s for true minimalists.

Best for:

  • Enthusiasts

  • Layer power users

  • Portable builds

Pros:

  • Ultra-compact

  • Unique typing experience

Cons:

  • Not beginner-friendly

  • Significant adjustment period

For enthusiasts who prefer highly customizable compact keyboards, another interesting option is the Chosfox REV2 Keyboard.

This keyboard focuses on:

  • customizable layouts

  • enthusiast-level builds

  • compact form factor

It is designed for users who enjoy experimenting with different keyboard layouts and switch configurations.

How to Choose the Right Size

Ask yourself:

  1. Do you use the number pad daily?

  2. Do you want more mouse space for gaming?

  3. Do you travel often?

  4. Are you comfortable using function layers?

If you want a safe middle ground:

  • TKL (80%) → Most versatile

  • 75% → Best balance of compact + functionality

  • 65% → Compact but still practical

Final Thoughts

Keyboard size isn’t about right or wrong—it’s about workflow and comfort.

Larger layouts offer convenience.
Smaller layouts offer efficiency and portability.

Choose the one that supports how you type, work, and play.

If you’re building your own custom board, the layout is the foundation—everything else builds on top of it.

When choosing a mechanical keyboard, one of the most important decisions isn’t the switch—it’s the size. Keyboard layout affects your desk space, typing comfort, portability, and even your workflow efficiency.

In this guide, we’ll walk through the most common keyboard sizes and help you decide which one fits your setup best.

100% (Full-Size Keyboard)

Keys: ~104–108
Includes: Number pad, function row, arrow keys, navigation cluster

A full-size keyboard includes everything: F-row, arrows, navigation keys, and a dedicated number pad.

Best for:

  • Office and data entry work

  • Finance and accounting

  • Users who rely heavily on the numpad

Pros:

  • No compromises

  • Familiar layout

  • Ideal for Excel and numbers

Cons:

  • Takes up significant desk space

  • Mouse sits further away (less ergonomic for some users)

80% (TKL – Tenkeyless)

Keys: ~87
Includes: Everything except number pad

TKL removes the number pad but keeps the function row and arrow cluster.

Best for:

  • Gamers

  • General productivity users

  • People who want more mouse space

Pros:

  • Saves desk space

  • More ergonomic mouse positioning

  • Still very functional

Cons:

  • No dedicated numpad

TKL is one of the most balanced and popular layouts today.

75% Layout

Keys: ~80–84
Includes: F-row, arrows, compressed navigation cluster

A 75% keyboard keeps the function row but tightens the layout, reducing empty space between key groups.

Best for:

  • Minimalist setups

  • Portable workstations

  • Users who want compact but complete functionality

 

Pros:

  • Compact yet powerful

  • Clean, modern aesthetic

  • Efficient desk use

Cons:

  • Layout slightly tighter

  • Some keys repositioned

Many enthusiast boards like the Vero75 fall into this category because it balances usability and desk space beautifully.

65% Layout

Keys: ~66–68
Includes: Arrow keys, no function row

The 65% layout removes the function row but keeps arrow keys, which makes it a favorite among gamers and programmers.

Best for:

  • Gamers

  • Coding

  • Compact desk setups

Pros:

  • Very space-efficient

  • Retains arrows

  • Highly portable

Cons:

  • F-keys require function layer

60% Layout

Keys: 60–61
Includes: Alphas + modifiers only

The 60% layout removes the function row, arrows, and navigation cluster. Everything is accessed through function layers.

Best for:

  • Travel

  • Ultra-minimal setups

  • Advanced users comfortable with layers

Pros:

  • Extremely compact

  • Clean aesthetic

  • Maximum mouse space

Cons:

  • Learning curve

  • Heavy reliance on Fn layers

40% Layout

Keys: ~40–48
Includes: Only essential keys

A 40% keyboard removes the number row and relies heavily on layers. It’s for true minimalists.

Best for:

  • Enthusiasts

  • Layer power users

  • Portable builds

Pros:

  • Ultra-compact

  • Unique typing experience

Cons:

  • Not beginner-friendly

  • Significant adjustment period

How to Choose the Right Size

Ask yourself:

  1. Do you use the number pad daily?

  2. Do you want more mouse space for gaming?

  3. Do you travel often?

  4. Are you comfortable using function layers?

If you want a safe middle ground:

  • TKL (80%) → Most versatile

  • 75% → Best balance of compact + functionality

  • 65% → Compact but still practical

Final Thoughts

Keyboard size isn’t about right or wrong—it’s about workflow and comfort.

Larger layouts offer convenience.
Smaller layouts offer efficiency and portability.

Choose the one that supports how you type, work, and play.

If you’re building your own custom board, the layout is the foundation—everything else builds on top of it.