# UmbiCalc — Insertion Length Calculator

> Birth weight-based umbilical catheter insertion length calculator for neonates. (iPhone/iPad app by Yale University.)

- Source: https://appshunter.io/ios/app/umbicalc/id1504095676 (this page in markdown: same URL + `.md`)
- Developer: [Yale University](https://appshunter.io/developer/462262997)
- Category: Medical, Education
- Price: Free
- Rating: 5.00/5 from 4 App Store ratings · 1 written reviews indexed
- Age rating: 4+
- Requires: iOS 12.0 · 67 MB
- Languages: English
- Released: 2021-06-10
- Data updated: 2026-06-04
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/umbicalc/id1504095676/reviews.md

## What is UmbiCalc?

This app provides the birth weight-based insertion length estimations for umbilical arterial and venous catheters placed in neonates in the Neonatal Intensive Care Unit. 

UmbiCalc is based on the algorithm described by Tambasco et al. in “A Novel and Accurate Method for Estimating Umbilical Arterial and Venous Catheter Insertion Length.” Journal of Perinatology 2021. The algorithm was derived from statistical modeling using a representative sample of the current NICU population and validated across a wide range of birth weights.  

Intended for use by neonatologists, pediatricians, and advanced practice providers for personal educational purposes only. It is not intended for use in clinical practice or the delivery of medical care. Always consult with a healthcare provider for advice concerning your health.

## Key features

- Umbilical arterial catheter estimation
- Umbilical venous catheter estimation
- Birth weight-based calculations
- Based on published algorithm
- For educational purposes

## Recent user reviews (1 of 1)

All indexed reviews: https://appshunter.io/ios/app/umbicalc/id1504095676/reviews.md

### 5/5 — Impressed by its accuracy!

*2021-11-23*

As stated in the title, I’m impressed by the accuracy. I also appreciate how minimalistic the app is, it is designed for one calculation, it does that simply, and no extra bells and whistles. 

Highly recommend!

## Frequently asked questions about UmbiCalc

### What is UmbiCalc used for?

UmbiCalc is used to estimate the birth weight-based insertion length for umbilical arterial and venous catheters in neonates. It is intended for educational purposes for healthcare professionals.

### Is UmbiCalc intended for clinical use?

No, UmbiCalc is not intended for use in clinical practice or the delivery of medical care. It is for personal educational purposes only. Always consult with a healthcare provider for medical advice.

### What algorithm does UmbiCalc use?

UmbiCalc is based on the algorithm described by Tambasco et al. in “A Novel and Accurate Method for Estimating Umbilical Arterial and Venous Catheter Insertion Length.” published in the Journal of Perinatology in 2021.

### Who developed UmbiCalc?

UmbiCalc was developed by Yale University.

### What devices does UmbiCalc support?

UmbiCalc is available for iPhone, iPad, and iPod.

### How often is UmbiCalc updated?

The latest version of UmbiCalc is 1.1.4, which was last updated on May 29, 2022.

### Does UmbiCalc have ads?

No, UmbiCalc does not contain advertisements.

### What is the user rating for UmbiCalc?

UmbiCalc has a rating of 5.0 stars from 4 ratings.

## Version history (last 2 releases)

### 1.1.4 — 2022-05-29

Implemented updates.

### 1.1.3 — 2021-06-11

No release notes.

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All apps by Yale University: https://appshunter.io/developer/462262997

## Related topics

[neonatal](https://appshunter.io/ios/topics/neonatal) · [nicu calculator](https://appshunter.io/ios/topics/nicu-calculator) · [neonatology](https://appshunter.io/ios/topics/neonatology)

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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 2026-06-04.*