Which Stamp Size Do I Need?
Find the Perfect Rubber Stamp in Seconds
Not sure which stamp size to choose? Use our easy guide below to find the right stamp based on the amount of text you need.
Whether you're ordering a Company Stamp, Commissioner of Oaths Stamp, Doctor Stamp, Signature Stamp or Custom Stamp, we'll help you choose the perfect size.
Self-Inking Text Stamps
| Stamp | Size | Max Lines | Max Characters per Line | Best For |
|---|---|---|---|---|
| Colop C10 | 27 × 10 mm | 2 | 12 | Initials, short names, signature initials |
| Colop C20 | 38 × 14 mm | 3 | 18 | Names, signatures, job titles |
| Colop C30 | 47 × 18 mm | 4 | 22 | Small company stamps, address stamps |
| ⭐ Colop C40 (Most Popular) | 59 × 23 mm | 5 | 28 | Company stamps, Commissioner of Oaths, Doctor stamps |
| Colop C50 | 69 × 30 mm | 7 | 33 | Larger company stamps, office use |
| Colop C60 | 76 × 36 mm | 9 | 37 | Large office stamps, legal layouts, detailed information |
Dater Stamps
| Stamp | Size | Max Lines | Max Characters per Line |
|---|---|---|---|
| Printer 35 Dater | 50 × 30 mm | 4 | 24 |
| Printer 38 Dater | 56 × 33 mm | 6 | 27 |
| Printer 55 Dater | 60 × 40 mm | 6 | 29 |
| Printer 60 Dater | 76 × 36 mm | 6 | 37 |
Pocket Stamps
Perfect for professionals who travel.
| Stamp | Size | Max Lines | Max Characters per Line |
|---|---|---|---|
| Pocket 20 | 38 × 14 mm | 3 | 18 |
| Mouse 20 | 38 × 14 mm | 3 | 18 |
| Pocket 30 | 47 × 18 mm | 4 | 22 |
Ideal for:
- Doctors
- Inspectors
- Sales Representatives
- Engineers
- Commissioners of Oaths
Logo, Loyalty & QC Stamps
These stamps are designed for logos, loyalty cards, quality control (QC), inspection stamps and custom artwork.
Simply upload your artwork during checkout.
Square Stamps (Q Series)
| Stamp | Size | Best For |
|---|---|---|
| Q12 | 12 × 12 mm | Loyalty cards, inspection marks |
| Q17 | 17 × 17 mm | Small logos, QC stamps |
| Q24 | 24 × 24 mm | Loyalty cards, branding |
| Q30 | 30 × 30 mm | Business logos, inspection stamps |
| Q40 | 40 × 40 mm | Large logos and branding |
Round Stamps (R Series)
| Stamp | Diameter | Best For |
|---|---|---|
| R12 | 12 mm | Loyalty cards |
| R17 | 17 mm | QC stamps |
| R24 | 24 mm | Logos & approval stamps |
| R30 | 30 mm | Business branding |
| R40 | 40 mm | Large logo stamps |
| R50 | 50 mm | Premium branding & seals |
What Do You Want to Stamp?
| I Need To Stamp... | Recommended Stamp |
|---|---|
| My initials | Colop C10 |
| My name | Colop C20 |
| Name & job title | Colop C20 |
| Small company details | Colop C30 |
| Company name, address & registration number | ⭐ Colop C40 |
| Commissioner of Oaths details | ⭐ Colop C40 |
| Doctor's practice details | ⭐ Colop C40 or Pocket 30 |
| Large office layout | Colop C50 |
| Long legal layout | Colop C60 |
| Loyalty cards | Q Series or R Series |
| QC / Inspection marks | Q Series or R Series |
| Company logo | Q Series or R Series |
Quick Stamp Size Guide
Choose the size that best matches your needs:
🟢 C10 – Very small text
🟢 C20 – Names & signatures
🟡 C30 – Small business stamps
⭐ C40 – Most Popular – Perfect for most Company, Doctor & Commissioner stamps
🟠 C50 – Larger office layouts
🔵 C60 – Maximum amount of information
Pre-Inked Stamps
Crisp, Quiet & Professional Impressions
Pre-inked stamps produce exceptionally sharp impressions and are ideal for professionals who want premium print quality. They can create finer detail than traditional self-inking stamps and are perfect for signatures, company stamps and logos.
| Stamp | Size | Max Lines | Max Characters per Line | Best For |
|---|---|---|---|---|
| EOS 10 | 27 × 12 mm | 3 | 16 | Initials, names, signatures |
| EOS 20 | 38 × 14 mm | 4 | 22 | Names, job titles, small office stamps |
| EOS 30 | 51 × 18 mm | 5 | 30 | Company stamps, professional use |
| ⭐ EOS 40 (Most Popular) | 59 × 23 mm | 7 | 35 | Company, Doctor & Commissioner stamps |
| EOS 45 | 82 × 25 mm | 7 | 49 | Long company names & detailed layouts |
| EOS 50 | 70 × 30 mm | 9 | 42 | Large office stamps |
| EOS 60 | 76 × 36 mm | 11 | 46 | Maximum information & detailed layouts |
Self-Inking vs Pre-Inked
| Feature | Self-Inking | Pre-Inked |
|---|---|---|
| Impression Quality | Excellent | ⭐ Premium |
| Fine Detail & Logos | Very Good | ⭐ Outstanding |
| Quiet Operation | ✓ | ⭐ Ultra Quiet |
| Best For | Everyday office use | Professionals & premium impressions |
| Refillable | ✓ | ✓ |
Which One Should I Choose?
Choose a Self-Inking Stamp if you:
- Need an everyday office stamp
- Want excellent value
- Require fast, reliable stamping
Choose a Pre-Inked Stamp if you:
- Want the sharpest possible impression
- Need fine detail or logos
- Prefer a quieter stamping action
- Want a premium-quality stamp
Still Not Sure?
No problem!
Simply send us the text you'd like on your stamp and we'll recommend the perfect size free of charge.
Our experienced team will make sure your stamp has the best possible layout before production.
✔ FREE Artwork Proof
✔ FREE Nationwide Delivery
✔ Premium Self-Inking Stamps
✔ Trusted by Professionals Across South Africa