A simple guideline is created to help our customers to reuse there different branded fountain pens with compatible refills for best experience in writing. We have classified fountain pen cartridges in two different categories: International Standard Ink Cartridges and Proprietary Cartridges.

 

International Standard ink cartridges (also known as Standard International or International)

  • International short - 38mm long, fit 90% of fountain pens that accept cartridges

  • International long - 73mm long


 Find the compatible converter for your fountain pen following “Fountain Pen Converter Guide

 

Fountain Pen Cartridge Compatibility Chart

​Note: While a majority of fountain pens can refill with international standard short or long ink cartridges, some models may not. This fountain pen cartridge compatibility chart is meant as a guideline. Please refer to your specific pen’s instructions for acceptable cartridge sizes.

Pen Manufacturer

​Cartridges

​Acme Studio

International Standard Short 

​Aurora

Aurora 

Accepts Parker Long ink cartridges

​Caran d'Ache

Caran D' Ache/International Standard Short 

Cartier

Cartier or International Standard Short 

​Conklin

International Standard Short 

Cross

Cross only - regular or slim version, depending on your pen model

David Oscarson

International Standard Short 

Delta

International Standard Short 

​Diplomat

Diplomat or International Standard Short 

​Edison Pens

International Standard Short 

Graf von Faber-Castell / Faber Castell

Graf Von Faber-Castell /International Standard Short 

​J Herbin

J. Herbin or International Standard Short 

​Jac Zagoory

International Standard Short 

Jean Pierre Lepine

International Standard Short 

Kaweco

Kaweco or International Standard Short 

Krone

International Standard Short 

LAMY

  • ​LAMY

  •  Monteverde alternative to fit Lamy

​Loiminchay

International Standard Short 

​Marlen

International Standard Short 

Michael Perchin

International Standard Short 

​Montblanc

Montblanc or International Standard Short 

for some older models only Montblanc will fit

​Montegrappa

Montegrappa or International Standard Short 

Monteverde

Monteverde or International Standard Short 

Namiki 

Pilot ink Cartridges 

​Nettuno

International Standard Short 

​OMAS

Omas or International Standard Short 

​Parker

  • ​Parker Long or Short

  • will accept Aurora

​Pelikan

  • Pelikan

  • ​ Will accept International Standard short/Long

Pilot

Pilot Ink Cartridges

​Pineider

International Standard Short 

Platinum

Platinum Ink Cartridge

-do offer an adapter to accept International Standard Short ink cartridges

Porsche

International Standard Short 

​Retro 51

International Standard Short 

​Rotring

  • For Rapidograph - Roting only

  • Others accept Standard International Short

Sailor

Sailor ink cartridges only

​Schmidt

International Standard Short 

​Sensa

International Standard Short 

Sheaffer

Sheaffer Classic/Script 

For VFM series - international standard short

S.T. Dupont

ST Dupont or international standard short

Stipula

International Standard Short 

Taccia

International Standard Short 

Tombow

International Standard Short 

TWSBI

International Standard Short 

( if it is not piston fill. We do not sell non-piston fill fountain pens form TWSBI)

Visconti

Visconti or International Standard Short 

Waterford

International Standard Short 

Waterman

  • Waterman Long or Waterman Short

  • Waterman are International Standard Size

    Yafa

    International Standard Short 

    Yard O Led

    International Standard Short 


    Fountain Pen Cartridges Sizes and at a glance. 

    International Standard Short Cartridges

    International Standard ​Long Cartridges

    ​Proprietary Ink Cartridges