
Why Choosing the Right Bill Size Matters
Selecting the right bill size impacts your brand image, day-to-day convenience, and filing efficiency. An unsuitable size can cause issues such as:
- Insufficient space—staff must handwrite extra details
- Incompatible with your printer
- Doesn’t fit standard binders
- Looks unprofessional
Therefore, consider your business type, usage frequency, and customer needs when choosing bill sizes.
Popular Bill Sizes in Thailand
| Bill Size | Centimeters (full sheet) | Best For |
|---|---|---|
| A4 | 21 x 29.7 cm | General business, full tax invoices |
| A5 | 21 x 14.8 cm | Restaurants, retail stores, customer copies |
| A6 | 10.5 x 14.8 cm | Convenience shops, general services |
| Custom | Tailored to requirement | Niche businesses, specialty stores |
Examples: Picking the Right Size by Business Type
1. Restaurants & Cafés
- Recommended: A5 or A4
- Why: Compact yet fits menu lines and totals without wasting space
2. Retail & Convenience Stores
- Recommended: A5 or small custom (e.g., 9 x 5 inches)
- Why: High volume printing benefits from smaller, faster sheets
3. SMEs / General Services
- Recommended: A4 or A5
- Why: Enough room for item details and customer address info
4. Transport & Logistics
- Recommended: A4 or A5
- Why: Requires more data: item specs, weight, destinations
5. Accounting Firms / Law Offices
- Recommended: Full A4
- Why: Legal/tax documents should be clear and standardized
6. Hotels & Resorts
- Recommended: A4 or A5
- Why: Receipts often used for reimbursement or corporate reporting
7. Clinics & Private Hospitals
- Recommended: A5 or A6
- Why: Space for medication lists and multiple service items
8. Phone / Computer Repair Shops
- Recommended: A5 or A4
- Why: Need to record device details and warranty terms
Key Factors When Choosing Bill Size
- Printable area: How many lines for names, address, and items?
- Filing convenience: Binder-friendly? Foldable?
- Printer compatibility: e.g., dot-matrix or inkjet
- Document formality: Internal use or customer-facing?
- Cost per sheet: Larger sizes cost more but look more professional
Design Tips: Match Your Layout to the Size
- Use a vertical layout for A4
- Keep at least 1 cm margins
- Readable fonts: 12–14 pt for body, 16–18 pt for headings
- Place the logo top-left or top-right; make the bill number prominent
- If using sequential numbering, reserve a clean, dedicated area
Risks of Choosing the Wrong Size
- Hard to file—doesn’t fit binders
- Not enough space—staff must add handwritten notes
- Feels unprofessional to customers
- Inconvenient printing workflow
- May violate tax-invoice requirements (for official tax documents)
Why Print Receipts/Bills with Tonchabub?
- Free design—customized to your size and layout
- Supports A4, A5, A6, and A7
- Quality paper options: self-copy (NCR) and bond
- Single color or full color
- Sequential numbering, perforation, and book binding available
