Outer diameter: 3.00"

R-value: R-4.0

Material R/inch: 4

Higher R-value = better insulation. Code typically requires R-3 to R-4 for hot water pipes.

Share:Copied!
Was this tool helpful?

Get a free API key + new tools as they ship

100 calls/day, no card, no spam. Built by one person, in public.

About Pipe Insulation

Pipe Insulation is a free, browser-based utility designed to make this task as quick and frictionless as possible. Processing runs locally in your browser using modern Web APIs. Nothing is uploaded, nothing is logged, and there is no quota to worry about for casual use. It is one of about a hundred utility tools that share the same philosophy: do one thing, do it well, get out of your way.

When you'd reach for Pipe Insulation

  • You're cleaning up a folder of files that accumulated over a project and need to standardize them.

    Designers, writers, and developers wrapping up deliverables.

    Drop each file in, copy the output, move on.

  • You're hitting the daily limit of a paid SaaS and need a backup option for a single quick job.

    Marketers and ops people whose primary tool is metered.

    Stay productive without burning credits.

  • You need to handle a one-off task right before a meeting and don't have time to install anything.

    Anyone working remotely on a borrowed or restricted machine.

    Open the page, get the result, paste it into your doc — under a minute.

  • You're on a public or shared machine and don't want to leave traces of what you're working on.

    Travelers, contractors, anyone working from a friend's computer.

    Nothing is uploaded, nothing persists if you're not signed in.

Frequently asked about Pipe Insulation

Are my files uploaded to a server when I use Pipe Insulation?
Pipe Insulation processes everything in your browser using local APIs. Your files never leave your device.
Will Pipe Insulation change my original file?
Never. Pipe Insulation only reads your input file and produces a new output file.
Does Pipe Insulation work on mobile?
Yes, Pipe Insulation is fully responsive and tested on iOS Safari and Android Chrome.
What browsers does Pipe Insulation support?
Every modern browser released in the last three years: Chrome, Firefox, Safari, Edge, Brave, Opera.
Can I use Pipe Insulation commercially?
Yes. The output of Pipe Insulation belongs entirely to you, with no licensing restrictions.

Explore More