2025– date –

Piping Pipit v1.4.4 adds the Water Supply Core Fitting, offering tools to handle variations in lineup and dimensions across manufacturers.

We have fixed an error in the cut length calculation for reducing tees of butt-weld fittings.

Ver. 1.4.0 adds English support! Switch languages anytime from the measurement screen.

Haikan Pipit now supports Japanese and English. Easily switch from the measurement screen.

Organize your most-used pipe fittings just like a real jobsite container. With Haikan Pipit’s Container feature, you can quickly save and reuse fitting types — perfect for streamlining your plumbing layout and cutting measurements.

Keep your plumbing work smooth with Haikan Pipit — easily save your favorite pipe fitting combos and check past measurements with the handy History feature.

Some Pro features in Haikan Pipit are locked. This article introduces how to unlock these features, as well as the Pro version, which lets you enjoy all Pro features without ads.

While this update doesn't include new fittings, it brings major enhancements to core features, including the addition of Containers and a History function.

This video series explains the basic method for calculating pipe cut lengths in an easy-to-understand format, divided into two parts.You're now watching Part 2: "T-branch connections" Edition.

This video series explains the basic method for calculating pipe cut lengths in an easy-to-understand format, divided into two parts.You're now watching Part 1: "Elbow Offset" Edition.