Best Dosage Calculator Apps

250+ iOS apps curated and reviewed

4.2 avg rating
17 free apps
Updated August 2026

Finding the right dosage calculator apps can be overwhelming with so many options. We've analyzed 250+ apps to bring you the best choices for 2026, from free options to premium solutions with advanced features.

Compare top Dosage Calculator Apps (August 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1CalcuDoseCalcuDoseFreeNoYesMay 2026
2MDCalc Medical CalculatorMDCalc Medical CalculatorFree4.9★ (52K)NoNoAug 2026
3Unit Converter - Convert allUnit Converter - Convert allFree4.6★ (13K)YesYesAug 2026
4Peptide Calculator & DosagePeptide Calculator & DosageFree4.8★ (112)NoYesAug 2026
5Dosage Calculations Made EasyDosage Calculations Made EasyFree4.5★ (40)YesYesJul 2026
6MedCalXMedCalXFree3.8★ (28)NoYesJul 2026
7CONVERT UNITSCONVERT UNITSFree4.8★ (932)YesNoAug 2026
8DoseRight: Nursing Dosage CalcDoseRight: Nursing Dosage CalcFree5.0★ (2)YesYesAug 2026

Top Picks for Dosage Calculator

CalcuDose#1

CalcuDose by QRTouch Development

Doses / flow rate calculator
Editor's Choice
📊 Productivity
0.0(0 ratings)
FreeIn-App Purchases
CalcuDose screenshot 1
CalcuDose screenshot 2
CalcuDose screenshot 3
CalcuDose screenshot 4
CalcuDose screenshot 5

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.

MDCalc Medical Calculator#2

MDCalc Medical Calculator by MD Aware, LLC

Clinical Decision Support
Strong Contender
🏥 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

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
Unit Converter - Convert all#3

Unit Converter - Convert all by oWorld Software

Measurements & Calculations
Worth Considering
✈️ Travel
4.6😐(13K ratings)
FreeAdsIn-App Purchases
Unit Converter - Convert all screenshot 1
Unit Converter - Convert all screenshot 2
Unit Converter - Convert all screenshot 3
Unit Converter - Convert all screenshot 4
Unit Converter - Convert all screenshot 5
Unit Converter - Convert all screenshot 6

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.

What We Love

  • 🚀 Easy to use
  • 🚀 Comprehensive unit conversions
  • 👍 Helpful app
  • 👍 Practical for engineering and mechanics

Room to Improve

  • 🔍 Too many ads
  • 🔍 Ads make the app unusable
  • 🔍 Ads are invasive and disrupt user experience

More Dosage Calculator apps to explore

4
Peptide Calculator & Dosage
Peptide Calculator & Dosage
Peptide Calculator & Dosage
Peptide Dose Calculator App
Free

Easily calculate peptide dosages with this straightforward tool. It helps determine reconstitution ratios and injection volumes based on your inputs. Manage your peptide inventory, track your progress, and review past dosing with helpful features.

Peptide dosage calculationReconstitution ratio determinationInjection volume calculation
💪 Health & Fitness
(112)
freemium
5
Dosage Calculations Made Easy
Dosage Calculations Made Easy
Dosage Calculations Made Easy
Made Incredibly Easy!
Free

Master nursing dosage calculations with this illustrated guide. It covers all drug forms, administration routes, and practice exercises. Ideal for students and professionals needing to refresh or prepare for exams.

Dosage calculation for all drug formsPractice exercisesNCLEX and certification exam prep
🏥 Medical
(40)
free with in-app purchases
6
MedCalX
MedCalX
MedCalX
The Medical Calculator
Free

This medical calculator app provides healthcare professionals with a comprehensive tool for complex medical formulas, scores, and classifications. It offers an extensive library of over 300 medical calculations, patient management features, and sharing capabilities.

Extensive medical formula library (300+)Patient management and data savingCustomizable workflows
🏥 Medical
(28)
free with in-app purchases
7
CONVERT UNITS
CONVERT UNITS
CONVERT UNITS
Simple unit conversion tool
Free

Easily convert between various units of measurement including length, weight, temperature, and currency. Features automatic currency updates, a vast selection of currencies, and customizable display options for accuracy and rounding. Optimized for multitasking on iPad and offers a beautiful dark design.

Converts length, weight, speed, area, time, pressure, volume, power, fuel, temperature, data, and currencyAutomatic currency updates160 currencies available
📊 Productivity
(932)
ad-supported
8
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
(2)
ad-supported
9
Peptide Calculator: PepCalc
Peptide Calculator: PepCalc
Peptide Calculator: PepCalc
Dosage & Reconstitution Tool
Free

This tool simplifies peptide dosage and reconstitution calculations. It accurately determines injection volumes and the correct amount of water for mixing, converting results to insulin syringe units. Designed for researchers and wellness enthusiasts, it ensures precise and confident peptide administration.

Accurate dosage calculationEasy reconstitution calculationInsulin syringe unit conversion
🏥 Medical
(378)
free
10
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
11
Vidonary - Video Teleprompter
Vidonary - Video Teleprompter
Vidonary - Video Teleprompter
Access/Create Scripts & Record
Free

Record videos with confidence using a teleprompter that scrolls your script on screen. Manage, upload, and download your video content seamlessly. Designed for professionals who need efficient video creation.

On-screen teleprompter for script deliveryAdjustable font size, color, and scroll speedVideo recording and playback
📷 Photo & Video
(1)
free with in-app purchases
12
Peds Dose Calc
Peds Dose Calc
Peds Dose Calc
by W G
Free

This medical app helps healthcare professionals calculate medication dosages for pediatric patients. It aims to reduce errors and simplify the dosing process for children.

Simplify medication dosingDecrease error ratesPediatric patient focus
🏥 Medical
(1)
free
13
Pediatric dosage calculator
Pediatric dosage calculator
Pediatric dosage calculator
by Rimon
$1.99

Safely determine the correct medication dosage for children. Input the dose per kilogram per day and the frequency, and the app calculates the precise amount needed per dose.

Calculate medication amount per doseInput dose per kg per dayInput dosing frequency
🏥 Medical
(4)
paid
14
NurseCalcs
NurseCalcs
NurseCalcs
Calculations for Nurses
Free

This utility app helps nurses perform essential unit conversions for medication dosages. It quickly calculates the correct amount of medication to draw based on patient weight and available concentration.

Unit conversions for nursingCalculate medication dosageBased on mg per kg
🔧 Utilities
(4)
free
15
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
16
PeptideCalc+ · Dose Calculator
PeptideCalc+ · Dose Calculator
PeptideCalc+ · Dose Calculator
Syringe, Reconstitution & Log
$1.99
💪 Health & Fitness
(0)
17
Derma Dosage Calculator
Derma Dosage Calculator
Derma Dosage Calculator
Derma Dosage Calculator
Free

This app assists registered dermatologists in calculating precise dosages for specific dermatological medications. It is intended for professional use and should be used in conjunction with a doctor's advice for patient care.

Dosage calculation for dermatological medicationsSupports Isotretinoin, Cyclosporine, and AcitretinDesigned for registered dermatologists
💪 Health & Fitness
(1)
free
18
HalfLife Medication Calculator
HalfLife Medication Calculator
HalfLife Medication Calculator
Elimination Half-Life Results
$2.99
📚 Education
(0)
19
RxCalcPro Clinical Calculator
RxCalcPro Clinical Calculator
RxCalcPro Clinical Calculator
IV, Dosing, BSA, CrCl, Labs
Free
🏥 Medical
(0)
20
Pocket Infusion Calculator
Pocket Infusion Calculator
Pocket Infusion Calculator
IV Pump and Drip Rate
Free

This medical app helps health professionals calculate intravenous fluid infusion rates. It offers accurate and straightforward calculations for both gravity drips and IV pumps, including infusion rate, total volume, and medication infusion times. All features are accessible for free and offline.

Calculate infusion rateCalculate total volumeCalculate total time
🏥 Medical
(6)
ad-supported

FAQ about Dosage Calculator

Are there free dosage calculator apps for iPhone?
Yes — 17 of the top dosage calculator apps we rank are free to download, including CalcuDose and MDCalc Medical Calculator.
CalcuDose has no ads and offers in-app purchases, according to its App Store listing as of August 2026.
We track 250+ dosage calculator apps on the iOS App Store as of August 2026, ranked by rating, recency, and analysis of real user reviews.
CalcuDose allows you to select the base unit for concentration (g, mg, µg, IU), enter the concentration and desired quantity, and it calculates the result in milliliters with a detailed breakdown. The ml result is rounded to the second decimal place.
For flow rate calculations, you need to select the unit of time (hours or minutes), choose drops per ml, enter the volume in ml, and the duration. The app then displays results in ml/h and drops/min, with a breakdown.

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