O-Ring Calculator
Design and verify O-ring grooves for radial and axial seals.
Radial Seal — Outer (Piston)
O-ring in a piston groove, sealed against the cylinder bore.
→Radial Seal — Inner (Rod)
O-ring in a housing groove, sealed against a moving rod.
→Axial Seal
Face seal — compression in axial direction.
→ISO 3601 Quick Search
Find a suitable O-ring and housing from bore / rod / groove.
→O-Ring Size Search
Look up standard nominal O-ring sizes by cross-section & ID.
→My Designs
View, export and manage your saved calculations.
→Design Comparison
Compare two or more saved designs side by side.
→Engine based on ISO 3601-1 / ISO 3601-2