Best Opioid Conversion Calculator Apps

249+ iOS apps curated and reviewed

4.4 avg rating
18 free apps
Updated August 2026

Whether you're new to opioid conversion calculator or looking for an upgrade, our curated collection of 249+ 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 (August 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Opioids Dosage ConversionOpioids Dosage ConversionFree4.3★ (18)NoNoJul 2026
2Opioid Conversion CalculatorOpioid Conversion CalculatorFree3.6★ (16)NoYesAug 2026
3MDCalc Medical CalculatorMDCalc Medical CalculatorFree4.9★ (52K)NoNoAug 2026
4Opioid CalculatorOpioid Calculator$0.993.7★ (9)NoNoAug 2026
5MediMorphMediMorphFree5.0★ (3)NoNoMay 2026
6CliniCalc Medical CalculatorCliniCalc Medical CalculatorFree4.8★ (1.1K)NoYesAug 2026
7Calculator: EasyCalcCalculator: EasyCalcFreeYesYesJul 2026
8SmartPump Infusion CalculatorSmartPump Infusion CalculatorFreeYesYesMay 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(16 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😊(52K 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
MDCalc Medical Calculator screenshot 6

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
Opioid Calculator
Opioid Calculator
Opioid Calculator
by ANZCA
$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
5
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
6
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
7
Calculator: EasyCalc
Calculator: EasyCalc
Calculator: EasyCalc
Smart Calculator & Converter
Free
🔧 Utilities
(0)
8
SmartPump Infusion Calculator
SmartPump Infusion Calculator
SmartPump Infusion Calculator
fast, ad-free infusion wizard
Free
🏥 Medical
(0)
9
RxCalcPro Clinical Calculator
RxCalcPro Clinical Calculator
RxCalcPro Clinical Calculator
IV, Dosing, BSA, CrCl, Labs
Free
🏥 Medical
(0)
10
Calculator - CalcSphere
Calculator - CalcSphere
Calculator - CalcSphere
Calculator & Converter
Free
📚 Education
(0)
11
CCr Calculator
CCr Calculator
CCr Calculator
by Hidenori Ishii
Free
🏥 Medical
(0)
12
FusionCalc - Calculator App
FusionCalc - Calculator App
FusionCalc - Calculator App
The Better Calculator.
Free
$2.49 | 100% OFF
🔧 Utilities
(0)
13
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
14
Calculator²
Calculator²
Calculator²
by Richard Walters
Free

This app offers a suite of specialized calculators, including scientific, financial, programmer, and basic functions. It also features a currency converter and a comprehensive unit converter for various needs.

Scientific calculator with advanced functionsFinancial calculator for loan and tax calculationsProgrammer calculator for number base conversions
📊 Productivity
(0)
free with in-app purchases
15
All In One : Calculator
All In One : Calculator
All In One : Calculator
Smart Calculator & Converter
Free
📊 Productivity
(0)
16
EasyDil
EasyDil
EasyDil
by Fulvio Masiero
Free
🏥 Medical
(0)
17
Oilfield Calculator Pro
Oilfield Calculator Pro
Oilfield Calculator Pro
by Ahmad Suleiman
$9.99
🔧 Utilities
(0)
18
Smart Calculator - All In One
Smart Calculator - All In One
Smart Calculator - All In One
Solve, convert & claculate
Free
🔧 Utilities
(0)
19
Calqsy - All in one calculator
Calqsy - All in one calculator
Calqsy - All in one calculator
50+ Calculators & Converters
Free
🔧 Utilities
(0)
20
ProCalc – Calculator App
ProCalc – Calculator App
ProCalc – Calculator App
Math, Percent, Converter
Free
🔧 Utilities
(0)

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 August 2026, with a 4.3-star average from 18 App Store ratings, and it's free to download.
Yes — 18 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 August 2026.
We track 249+ opioid conversion calculator apps on the iOS App Store as of August 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.