Best Opioid Conversion Calculator Apps

210+ iOS apps curated and reviewed

4.6 avg rating
19 free apps
Updated July 2026

Whether you're new to opioid conversion calculator or looking for an upgrade, our curated collection of 210+ iOS apps has something for everyone. Each app is reviewed and rated by real users, helping you make an informed decision.

Compare top Opioid Conversion Calculator Apps (July 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Opioids Dosage ConversionOpioids Dosage ConversionFree4.3★ (18)NoNoMay 2026
2Opioid Conversion CalculatorOpioid Conversion CalculatorFree3.6★ (14)NoYesJul 2026
3MDCalc Medical CalculatorMDCalc Medical CalculatorFree4.9★ (51K)NoNoJul 2026
4MediMorphMediMorphFree5.0★ (3)NoNoMay 2026
5Opioid CalculatorOpioid Calculator$0.993.7★ (9)NoNoJul 2026
6Calculate by QxMDCalculate by QxMDFree4.8★ (5.1K)YesNoJul 2026
7CliniCalc Medical CalculatorCliniCalc Medical CalculatorFree4.8★ (1.1K)NoYesJul 2026
8Unit Converter - Convert allUnit Converter - Convert allFree4.6★ (13K)YesYesJul 2026

Top Picks for Opioid Conversion Calculator

Opioid Conversion Calculator#2

Opioid Conversion Calculator by Ayrial Beall

Your Conversion Companion
Strong Contender
🏥 Medical
3.6(14 ratings)
FreeIn-App Purchases
Opioid Conversion Calculator screenshot 1
Opioid Conversion Calculator screenshot 2
Opioid Conversion Calculator screenshot 3
Opioid Conversion Calculator screenshot 4
Opioid Conversion Calculator screenshot 5

This medical app simplifies complex opioid conversion tasks for healthcare professionals. It offers extensive drug coverage, a visual safety indicator for dosages, and breakthrough dosing calculations. Available in multiple languages, it ensures accurate and safe pain management.

MDCalc Medical Calculator#3

MDCalc Medical Calculator by MD Aware, LLC

Clinical Decision Support
Worth Considering
🏥 Medical
4.9😊(51K ratings)
Free
MDCalc Medical Calculator screenshot 1
MDCalc Medical Calculator screenshot 2
MDCalc Medical Calculator screenshot 3
MDCalc Medical Calculator screenshot 4
MDCalc Medical Calculator screenshot 5

This app provides over 900 evidence-based medical calculators, risk scores, and clinical tools for healthcare professionals. It offers offline functionality, expert insights, and CME tracking to support patient care at the bedside. Tools are developed and validated by board-certified physicians.

What We Love

  • ⭐ Excellent resource
  • 🔍 Helpful and accurate
  • 🔥 Essential for clinical practice
  • 🤖 Useful for medical students and residents

Room to Improve

  • 🐛 Crashes and bugs after updates
  • 🔒 Mandatory login/registration issues
  • 📱 Poor user experience on mobile devices

More Opioid Conversion Calculator apps to explore

4
MediMorph
MediMorph
MediMorph
Dose conversions made easy
Free

Easily calculate equivalent doses between common narcotics with this medical app. It simplifies tedious manual calculations for both oral and intravenous/subcutaneous administration, referencing authoritative medical literature.

Dose conversions for common narcoticsPO and IV/SQ administration conversionsReduced dose calculation
🏥 Medical
(3)
free
5
Opioid Calculator
Opioid Calculator
Opioid Calculator
by AUSTRALIAN AND NEW ZEALAND COLLEGE OF ANAESTHETISTS
$0.99

This medical tool calculates the total oral Morphine Equivalent Daily Dose (oMEDD) for patients using multiple opioids. It aims to simplify complex calculations for clinical practice, education, and research.

Calculate oral Morphine Equivalent Daily Dose (oMEDD)Simplify calculations for combined opioidsFacilitate clinical practice
🏥 Medical
(9)
paid
6
Calculate by QxMD
Calculate by QxMD
Calculate by QxMD
Medical Calculator
Free

This clinical calculator and decision support tool offers over 200 medical calculators and tools for diagnosis, treatment, and prognosis. It adapts to your practice and provides detailed references, integrating with PubMed and Read by QxMD.

Over 200 medical calculatorsClinical decision support toolsCardiology, internal medicine, and more
🏥 Medical
(5.1K)
free with in-app purchases
7
CliniCalc Medical Calculator
CliniCalc Medical Calculator
CliniCalc Medical Calculator
Formulas, Scales & More
Free

This app provides medical professionals with a comprehensive collection of formulas, scores, and classifications. It offers quick access to essential medical calculations with detailed background information and high-quality images. Users can easily search, store favorites, and switch between US and SI units.

Hundreds of medical formulas, scores, and classificationsStore favorite and view recently used calculationsSearchable database with keywords
🏥 Medical
(1.1K)
free with in-app purchases
8
Unit Converter - Convert all
Unit Converter - Convert all
Unit Converter - Convert all
Currency, Temperature, Length
Free

Easily convert between various units of measurement, including currencies, temperature, length, and weight. This intuitive tool provides real-time currency exchange rates and a comprehensive list of conversions for everyday use.

Real-time currency conversionsExtensive unit categories (weight, temp, length, volume, etc.)Simple and intuitive interface
✈️ Travel
(13K)
free with in-app purchases
9
Unit Converter - Best Unit App
Unit Converter - Best Unit App
Unit Converter - Best Unit App
Convert All Units and Currency
Free

Easily convert between a wide range of units across 20 categories, including length, weight, temperature, and more. Features live currency updates for 155 world currencies, refreshed daily. Designed for simplicity and visual appeal.

20 conversion categoriesLive currency updates155 world currencies
✈️ Travel
(172K)
free with in-app purchases
10
epocrates: Drug Info & Pill ID
epocrates: Drug Info & Pill ID
epocrates: Drug Info & Pill ID
Dosing, Interactions, & Labs
Free

This clinical reference app empowers healthcare professionals to make safer, faster decisions. It offers comprehensive drug information, interaction checks, pill identification, lab values, and dosing calculators. Access essential clinical tools offline to enhance patient care and workflow efficiency.

Comprehensive Drug ReferenceDrug Interaction CheckerPill Identifier
🏥 Medical
(7.1K)
free with in-app purchases
11
Conversion Calculator Units
Conversion Calculator Units
Conversion Calculator Units
Unit Conversion Calculator All
Free

This app offers a simple and powerful way to convert between over 140 units across 12 categories. Easily switch between units, customize your experience with themes, and share your results.

Converts over 140 unitsSupports 12 conversion categoriesCustomizable themes
🔧 Utilities
(4.8K)
free with in-app purchases
12
Panecal Scientific Calculator
Panecal Scientific Calculator
Panecal Scientific Calculator
For engineers and students
Free

This app functions as a scientific calculator, enabling users to input and edit complex formulas with ease. It supports formula history, variable memory, and various number system conversions for accurate calculations.

Formula editing with cursor and swipeReuse past formulasVariable memory for calculations
🔧 Utilities
(1.9K)
ad-supported
13
ClevCalc - Calculator
ClevCalc - Calculator
ClevCalc - Calculator
All-In-One Calculator
Free

This comprehensive calculator app offers a wide range of tools for everyday calculations, from basic arithmetic and scientific functions to unit and currency conversions. It includes specialized calculators for loans, health, fuel costs, GPA, and more, all within a clean and user-friendly interface.

Scientific calculatorUnit converterCurrency converter
📊 Productivity
(12K)
free with in-app purchases
14
My Opioid Manager
My Opioid Manager
My Opioid Manager
by University Health Network
Free
🏥 Medical
(0)
15
Calculator +
Calculator +
Calculator +
Scientific Calc Plus Fraction
Free

This app offers a free basic and scientific calculator with an intuitive interface. It supports fractions, percentages, and advanced editing. Optional upgrades provide specialized calculators for fractions with units, polynomial and linear equation solving, graphing, and geometric shapes.

Free basic and scientific calculatorIntuitive interface with equation and result displayFraction and percent support
🔧 Utilities
(9.6K)
free with in-app purchases
16
Orenda
Orenda
Orenda
Pool Calculator and Education
Free

This app helps you master pool chemistry by accurately calculating chemical dosages and balancing water based on the LSI. It offers a user-friendly experience for both novices and professionals, including a volume estimator and educational videos.

Chemical dosing calculatorLSI water balancingPool volume estimator
📊 Productivity
(452)
free
17
Conversion Calculator Plus
Conversion Calculator Plus
Conversion Calculator Plus
Unit Converter
Free

This app is a versatile unit and currency converter with a user-friendly interface. It supports a wide range of conversion categories, including real-world and crypto currencies, with automatic exchange rate updates. Customize your experience with design options, dark mode, and adjustable home screen layouts.

Unit and currency conversionSupports 160+ currencies (real & crypto)Automatic currency exchange rate updates
📊 Productivity
(15K)
free with in-app purchases
18
Scientific Calculator Plus 991
Scientific Calculator Plus 991
Scientific Calculator Plus 991
Designed for math calculator
Free

This app is a powerful scientific calculator with graphing capabilities, a formula library, and a unit converter. It offers natural display input, advanced math functions for algebra, calculus, and statistics, and supports various number bases and formats.

Natural display inputGraphing moduleFormula library
📚 Education
(12K)
free with in-app purchases
19
OneCalc: All-in-one Calculator
OneCalc: All-in-one Calculator
OneCalc: All-in-one Calculator
Calculates everything. Try it.
Free

This app offers a comprehensive suite of over 40 calculators and unit converters for various needs, including finance, health, construction, and everyday math. It features standard, scientific, and specialized calculators for tasks like loan amortization, currency conversion, and material estimation.

Over 40 calculators and unit convertersStandard and scientific calculator functionsFinancial calculators (interest, loan, currency)
📊 Productivity
(4.8K)
free with in-app purchases
20
Drug Facts by PillSync.com
Drug Facts by PillSync.com
Drug Facts by PillSync.com
Pill ID, interactions, & more
Free

Identify medications by photo, imprint, or barcode. Access comprehensive drug facts, including interactions, adverse reactions, and medication guides. Features include offline access, translation, and a discussion forum.

Pill photo identificationSearch by drug name or NDCIdentify by imprint, color, shape, size, score
🏥 Medical
(397)
free

FAQ about Opioid Conversion Calculator

What are the best opioid conversion calculator apps for iPhone?
Opioids Dosage Conversion tops our opioid conversion calculator apps ranking as of July 2026, with a 4.3-star average from 18 App Store ratings, and it's free to download.
Yes — 19 of the top opioid conversion calculator apps we rank are free to download, including Opioids Dosage Conversion and Opioid Conversion Calculator.
Opioids Dosage Conversion has no ads and has no in-app purchases, according to its App Store listing as of July 2026.
We track 210+ opioid conversion calculator apps on the iOS App Store as of July 2026, ranked by rating, recency, and analysis of real user reviews.
This application serves as an opioid analgesic dosage conversion calculator designed for use by trained medical professionals. It facilitates conversions to and from commonly prescribed opioids across oral, parenteral, and transdermal routes.
Key features include support for multiple opioid drugs and administration routes, an incomplete cross-tolerance option, a breakthrough dosing calculator, and instructional details for each calculation. It also saves the last calculation and functions in both landscape and portrait modes.