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