How to Measure Pipe Size: A Bremerton Guide

2026-08-08

Plumbing Guide

Pipe sizes are not what they sound like — the name is a nominal size, not the actual measurement. Knowing how to measure the diameter saves a trip back to the store with the wrong fitting.

How to Measure Pipe Size: A Bremerton Guide

The nominal size

A half-inch pipe is not half an inch across; the name refers to the pipe's nominal size, and the actual outside diameter is larger.

The measure

Measure the outside diameter with calipers or a tape, then match it to a pipe-size chart for the material.

The thread

Threaded fittings are measured by their nominal size, and the threads must match the pipe exactly.

The tip

For a quick match, take the old part to the store rather than trusting a guess. rain and older housing stock mean corroded fittings and slow drains show up often In Bremerton, a pro always matches the exact size.

The chart

Measure the outside diameter and match it to a chart for the material, because copper, PEX, and PVC all size differently. The nominal size is not the measured size.

The call

Get the size right before you cut. Call 888-217-3585 and Bremerton Home Plumbing Co will match you with a Bremerton pro.

Plumbing in Bremerton: what to know

In Bremerton, rain and older housing stock mean corroded fittings and slow drains show up often. Pros in our network know the local quirks and bring the right parts on the first visit.

Across Kitsap County — from Port Orchard, Bainbridge Island and Poulsbo to ZIP codes like 98312, 98337, 98314 — homeowners deal with the same kinds of issues. The tips above apply locally, and when a job goes beyond a quick fix, a vetted local pro is only a call away.

Need a hand in Bremerton?

If a plumbing issue is beyond a quick fix, don't wait for it to get worse. Call 888-217-3585 and Bremerton Home Plumbing Co will match you with a vetted local pro — usually within minutes. Learn more about plumbing help in Bremerton.

Plumbing emergency or urgent repair? Call now.

Call 888-217-3585 and we'll match you with a vetted plumbing pro in Bremerton — usually within minutes.

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Emergency? Call Now888-217-3585