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MedMaths Learn

Learn medication maths step by step

Free step-by-step lessons covering dosage calculations, IV rates, paediatric dosing and medication safety. Built for nursing students, NCLEX prep and practicing nurses. No account or sign-up needed.
29 core lessons + 5 optional foundationsLearn at your paceNo account required

Choose your starting point

Start where you are

Follow the recommended pathway, refresh the maths underneath it, or jump straight to a topic you need.

Best place to start

Start Medication Maths Essentials
Start with the medication-maths pathway and build the core skills in the recommended order.

Optional Stage 00

Refresh clinical maths first
Review percentages, ratios, rates and the maths foundations used throughout medication calculations.

Choose a specific skill

Browse learning topics
Already know the skill you need? Jump straight to medication, IV, safety or paediatric topics.

Your learning pathway

Follow the pathway or jump to the skill you need

The recommended order moves from medication maths essentials through core calculations, IV maths, safety, specialised dosing and paediatrics. Stage 00 Clinical Maths Foundations is optional if percentages, ratios and rates are already comfortable.
00
Learning stageOptional

Clinical Maths Foundations

Optional. Refresh the maths behind medication calculations using practical clinical examples.

5 lessons

Your progress0%
Open topic
01
Learning stage

Medication Maths Essentials

Core number, unit, label and safety skills that support every medication calculation.

5 lessons

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Open topic
02
Learning stage

Calculation Methods

Learn three valid ways to organize dosage-calculation arithmetic, then compare them on the same problem.

4 lessons

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Open topic
03
Learning stage

Core Medication Calculations

The everyday calculations behind drawing up and giving a dose.

4 lessons

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Open topic
04
Learning stage

Medication Preparation

Getting from a powder or a concentrate to something ready to give.

2 lessons

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Open topic
05
Learning stage

IV Calculations

Rates, drops, durations and weight-based infusions.

8 lessons

Your progress0%
Open topic
06
Learning stage

Clinical Safety Checks

Use the maths as a check, not a reason to trust every number automatically.

2 lessons

Your progress0%
Open topic
07
Learning stage

Specialised Dosing Calculations

Calculation systems that use units or body-surface-area dosing rather than standard mg/kg or mg/mL relationships.

2 lessons

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Open topic
08
Learning stage

Paediatric Calculations

Bring weight-based medication maths and maintenance-fluid estimates together without hiding the intermediate checks.

2 lessons

Your progress0%
Open topic

Keep moving

Practise the skill, calculate now, or go deeper

Learn is the teaching pathway. The next destination depends on what you need to do.

Practise
Test the same skills from Foundation through Advanced, with lesson-linked question banks.
Browse practice
Calculators
Need the arithmetic now? Open the calculator hub and get to the clinical tool quickly.
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Guides
Want the method, limitations and evidence in more depth? Read the related calculation Guides.
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Why MedMaths Learn

Built for understanding, not memorising formulas

The pathway keeps teaching, calculation practice and clinical context connected without requiring an account.

  • Short, step-by-step teaching
  • Clinical context and safety boundaries
  • Structured practice from Foundation to Advanced
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