A5 vs A6 Paper Size: What’s the Difference?
When comparing A5 vs A6 paper size, the main difference comes down to length, width, and how much space you get to write or print.
Both sizes are part of the ISO A-series paper system, but they are used for very different purposes.
A5 Paper Size (Dimensions)
A5 paper is commonly used for notebooks, flyers, planners, and small booklets.
A5 size:
- Width: 5.8 inches (148 mm)
- Height: 8.3 inches (210 mm)
👉 A5 paper is exactly half the size of A4 paper.
A6 Paper Size (Dimensions)
A6 paper is much smaller and is often used for postcards, note cards, and small inserts.
A6 size:
- Width: 4.1 inches (105 mm)
- Height: 5.8 inches (148 mm)
👉 A6 paper is exactly half the size of A5 paper.
A5 vs A6 Size Comparison Table
| Feature | A5 Paper | A6 Paper |
|---|---|---|
| Width | 5.8 in (148 mm) | 4.1 in (105 mm) |
| Height | 8.3 in (210 mm) | 5.8 in (148 mm) |
| Relative Size | Larger | Smaller |
| Common Use | Notebooks, planners | Postcards, notes |
How Much Bigger Is A5 Than A6?
- A5 paper has twice the area of A6 paper
- A6 is easier to carry but has much less writing space
- A5 is better for longer text and layouts
Simple Example
- A5 → like a small notebook page
- A6 → like a postcard or phone-sized note
Which Paper Size Should You Choose?
Choose A5 if:
- You need more writing or printing space
- You’re making notebooks or planners
- You want readable text without crowding
Choose A6 if:
- You need something very compact
- You’re printing postcards or reminders
- Portability matters more than space
A5 vs A6 in Everyday Use
- A5 fits easily in bags and folders
- A6 fits in pockets and small organizers
- Both sizes are smaller than US Letter paper
Final Thoughts
- A5 paper is larger and more practical for daily writing
- A6 paper is compact and best for short notes
- The main difference is size and usable area
Choosing between A5 and A6 depends on how much space you need and how portable the paper should be.
