Best Opioid Calculator Apps

247+ iOS apps curated and reviewed

4.1 avg rating
17 free apps
Updated July 2026

If you already know Opioid Calculator, this is the deeper bench. 247+ opioid calculator apps for iPhone, all reviewed and ranked by user rating, recency, and download trend as of July 2026.

Compare top Opioid Calculator Apps (July 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Opioid CalculatorOpioid Calculator$0.993.7★ (9)NoNoAug 2026
2Opioids Dosage ConversionOpioids Dosage ConversionFree4.3★ (18)NoNoJul 2026
3Opioid Conversion CalculatorOpioid Conversion CalculatorFree3.6★ (16)NoYesJul 2026
4MDCalc Medical CalculatorMDCalc Medical CalculatorFree4.9★ (52K)NoNoAug 2026
5Opioid ToolOpioid ToolFree3.6★ (8)NoNoMay 2026
6CalcuDoseCalcuDoseFreeNoYesMay 2026
7RxCalcPro Clinical CalculatorRxCalcPro Clinical CalculatorFreeNoNoJun 2026
8PeptideProPeptideProFreeNoNoAug 2026

Top Picks for Opioid Calculator

Opioid Calculator#1

Opioid Calculator by ANZCA

Editor's Choice
🏥 Medical
3.7(9 ratings)
$0.99
#65in Medical
Opioid Calculator screenshot 1
Opioid Calculator screenshot 2
Opioid Calculator screenshot 3
Opioid Calculator screenshot 4
Opioid Calculator screenshot 5
Opioid Calculator screenshot 6

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.

Opioid Conversion Calculator#3

Opioid Conversion Calculator by Ayrial Beall

Your Conversion Companion
Worth Considering
🏥 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.

More Opioid Calculator apps to explore

4
MDCalc Medical Calculator
MDCalc Medical Calculator
MDCalc Medical Calculator
Clinical Decision Support
Free

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.

900+ evidence-based calculatorsOffline functionalityExpert insights and commentary
🏥 Medical
(52K)
free
5
Opioid Tool
Opioid Tool
Opioid Tool
by aaron sobol
Free

This medical app provides tools for healthcare professionals rotating through specific rotations. It includes an opioid conversion calculator, a 30-day refill calculator, and a reference for opioid metabolites. A prescribing checklist is also available to aid in patient care.

Opioid conversion calculator30-day refill calculatorOpioid metabolite reference
🏥 Medical
(8)
free
6
CalcuDose
CalcuDose
CalcuDose
Doses / flow rate calculator
Free

Easily calculate liquid dosages and flow rates for medical applications. Input concentration, desired quantity, or volume and duration to get precise results in ml/h and drops/min. Access your last 15 calculations through the history feature.

Dose calculationFlow rate calculationUnit and volume input
📊 Productivity
(0)
free with in-app purchases
7
RxCalcPro Clinical Calculator
RxCalcPro Clinical Calculator
RxCalcPro Clinical Calculator
IV, Dosing, BSA, CrCl, Labs
Free
🏥 Medical
(0)
8
PeptidePro
PeptidePro
PeptidePro
Peptide Volume Calculator
Free
📚 Education
(0)
9
Reducere: Opioid Tapering Calc
Reducere: Opioid Tapering Calc
Reducere: Opioid Tapering Calc
Taper patients off opioids!
Free

This medical tool assists practitioners in creating accurate opioid tapering schedules for patients. It calculates precise dosages, durations, and pill counts, offering customizable options and potential withdrawal symptom warnings. The app aims to reduce guesswork and save time in managing opioid dependence.

Accurate tapering schedule generationCalculates dose, duration, and pill countCustomizable tapering based on time or end date
🏥 Medical
(9)
subscription
10
Peptide Calculator: DoseRx
Peptide Calculator: DoseRx
Peptide Calculator: DoseRx
Dose & Reconstitution Tracker
Free

This app quickly calculates peptide draw volumes and insulin syringe units. It works offline, requiring no account, and provides clear results for various vial sizes and water amounts. It's designed for informational purposes only, with a strong disclaimer to consult medical professionals.

Offline calculationDraw volume calculationInsulin unit calculation
🏥 Medical
(102)
free
11
PeptideCalc+ · Dose Calculator
PeptideCalc+ · Dose Calculator
PeptideCalc+ · Dose Calculator
Syringe, Reconstitution & Log
$1.99
💪 Health & Fitness
(0)
12
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
13
CDC Vaccine Schedules
CDC Vaccine Schedules
CDC Vaccine Schedules
by Centers For Disease Control and Prevention
Free

Provides healthcare professionals with quick access to CDC-recommended immunization schedules for all ages. Features include color-coded schedules, hyperlinked vaccine details, and catch-up schedules. Content is automatically updated when connected to ensure the latest information.

Infant, child, and adolescent schedulesAdult immunization recommendationsContraindications and precautions table
🏥 Medical
(92)
free
14
Super Infusion Calculator
Super Infusion Calculator
Super Infusion Calculator
by Chin Sung Tung
Free

This medical app assists healthcare professionals in calculating infusion rates, doses, and times. It supports custom drugs and advanced calculations for dilutions and concentrations. Enjoy an ad-free experience with a subscription.

Dose/Rate CalculatorCustom Drug FeatureInfusion Time Calculator
🏥 Medical
(0)
subscription
15
BenzoCalc
BenzoCalc
BenzoCalc
Benzodiazepine Conversions
Free
🏥 Medical
(0)
16
My Opioid Manager
My Opioid Manager
My Opioid Manager
by University Health Network
Free
🏥 Medical
(0)
17
HalfLife Medication Calculator
HalfLife Medication Calculator
HalfLife Medication Calculator
Elimination Half-Life Results
$2.99
📚 Education
(0)
18
DoseRight: Nursing Dosage Calc
DoseRight: Nursing Dosage Calc
DoseRight: Nursing Dosage Calc
Med Math Practice & Drug Calc
Free

Master essential medication dosage calculations with this practice app. It offers realistic problems, instant feedback, and tracks your progress to build confidence for exams and clinical settings.

Realistic dosage problemsInstant grading with solutionsClinically accurate rounding
🏥 Medical
(4)
ad-supported
19
ClinicalCalc
ClinicalCalc
ClinicalCalc
Fast Medical Calculators
Free
🏥 Medical
(0)
20
Calculator - Multi function
Calculator - Multi function
Calculator - Multi function
Calculator, Notes & Currency
Free
📊 Productivity
(0)

FAQ about Opioid Calculator

What are the best opioid calculator apps for iPhone?
Opioid Calculator tops our opioid calculator apps ranking as of July 2026, with a 3.7-star average from 9 App Store ratings, and it's priced at $0.99.
Yes — 17 of the top opioid calculator apps we rank are free to download, including Opioids Dosage Conversion and Opioid Conversion Calculator.
Opioid Calculator has no ads and has no in-app purchases, according to its App Store listing as of July 2026.
We track 247+ opioid calculator apps on the iOS App Store as of July 2026, ranked by rating, recency, and analysis of real user reviews.
The Opioid Calculator is a tool designed to calculate the total oral Morphine Equivalent Daily Dose (oMEDD), particularly when patients are using combinations of opioids. It aims to provide consistency and accessibility for clinical practice, education, and research.
The Opioid Calculator is produced by the Faculty of Pain Medicine of the Australian and New Zealand College of Anaesthetists (FPM ANZCA). FPM ANZCA is the peak body responsible for education, training, and standards in specialist pain medicine in Australia and New Zealand.