# Pipe Calculator: ASME & NPS — DN/NPS, Flange & Offset Tools

> DN/NPS, Flange & Offset Tools (iPhone/iPad app by ithinkso.)

- Source: https://appshunter.io/ios/app/pipe-calculator-asme-and-nps/id6756433224 (this page in markdown: same URL + `.md`)
- Developer: [ithinkso](https://appshunter.io/developer/1793918539)
- Category: Utilities, Productivity
- Price: $1.99
- Age rating: 4+
- Requires: iOS 15.1 · 16 MB
- Languages: American English
- Released: 2025-12-15
- Data updated: 2026-10-24

## What is Pipe Calculator?

Pipe dimensions, flange charts, offsets and weight — all in one offline app built for piping engineers and pipefitters.

Pick an NPS and schedule and instantly get OD, wall thickness, ID and weight per meter for carbon steel (ASME B36.10M) and stainless steel (ASME B36.19M). No tables, no searching PDFs, no signal needed.

PIPE DIMENSIONS — ASME B36.10M & B36.19M
- Switch between carbon and stainless steel in one tap
- OD, wall thickness, ID and kg/m for every size
- NPS 1/8" to 24" (DN 6 to DN 600) with NPS ↔ DN conversion
- SCH, STD and XS wall classes plus stainless S schedules

PIPE OFFSET CALCULATOR
- 45°, 90° and odd-angle offsets
- Set and roll inputs for rolling offsets
- Long radius (LR) and short radius (SR) elbows
- Weld gap allowance at each end for accurate cut lengths

FLANGE RULER — ASME B16.5
- Standard flange dimensions by NPS and pressure class
- Flange OD, bolt hole count and bolt diameter
- Matched to the pipe size you select

WEIGHT & COST
- Total pipe weight for any length and schedule
- Enter cost per kg for instant material budgets
- Ideal for takeoffs, procurement and shipping

WORKS 100% OFFLINE
- No internet connection required
- All data stored on your device
- Reliable in shipyards, tunnels, plants and remote sites

LANGUAGES
English, Türkçe, Español, Português and Русский.

BUILT FOR
- Piping engineers and designers
- Pipefitters and welders
- Shipyard and plant construction crews
- QA/QC inspectors
- Procurement and logistics teams

Always verify critical values against the current edition of the standard.

Keep the piping standards you use every day in your pocket. Download now.

## Is Pipe Calculator safe?

Not enough ratings yet to assess Pipe Calculator.

## Is Pipe Calculator legit?

Pipe Calculator: ASME & NPS appears legitimate, with a few gaps. The AppsHunter Legitimacy Score for Pipe Calculator is 65 out of 100 points across 7 verification signals from App Store and developer data.


## Version history (last 4 releases)

### 1.1.1 — 2026-10-15

This update makes everyday field calculations faster and more accurate.

- Stainless steel pipe data (ASME B36.19M, 5S–80S) alongside carbon steel
- Pipe offset calculator: 45°, 90° and odd-angle offsets with LR/SR elbows and weld gap
- Flange Ruler (ASME B16.5): flange dimensions by NPS and pressure class
- Weight & Cost: total pipe weight and material cost for any length
- In-app language switcher: English, Türkçe, Español, Português, Русский
- Performance improvements and bug fixes

Have a feature request? Leave a review — we read every one.

### 1.1.0 — 2026-01-06

Flange Ruler (ASME B16.5) dimensions added
Pipe Offset Calculator for travel piece lengths
Weight & Cost Calculator for procurement
Improved localization and UI updates

### 1.0.2 — 2025-12-26

bug fix

### 1.0 — 2025-12-15

No release notes.

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All apps by ithinkso: https://appshunter.io/developer/1793918539

## Related topics

[asme](https://appshunter.io/ios/topics/asme)

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-10-24.*