Skip to main content
MedMaths
CalculatorsLearnPracticeCasesGuides
LearnClinical Maths FoundationsLesson overview

Lesson overview

Dividing & Finding the Rate

Learn how to divide a total to find how much belongs to one hour or one millilitre.
About 15 minutesClinical Maths FoundationsNo account required

Ready when you are

Start with short teaching slides, then answer the lesson questions. Your progress stays on this browser.

Practise this lesson

Written and reviewed by George Lambroglou, RN

Founder-led review · Last reviewed 18 September 2026 · No separate independent clinical review is claimed.

MethodologyEditorial policy

Learning outcomes

What you will learn

  • divide a volume by time to find mL/hr
  • divide a medicine amount by volume to find mg/mL
  • use the requested unit to set up the division
  • convert time units before calculating a per-hour rate
  • keep recurring decimals until the final rounding step

Clinical connection

Why this matters

You will use this idea when calculating IV rates, reading concentrations and working through later dose-to-volume calculations.

Lesson plan

How the lesson works

  1. 1

    Learn

    Short teaching slides explain one idea at a time with plain-language examples.

  2. 2

    Practise

    Answer calculation or scenario questions and receive immediate feedback.

  3. 3

    Finish

    Complete the lesson check and save your learning progress on this browser.

Back to Clinical Maths Foundations

MedMaths

Clinical calculations, learning and practice.

Free clinical maths tools and learning resources with visible authorship, methodology and safety boundaries.

Learn & Use

  • Calculators
  • Learn
  • Practice
  • Clinical Cases
  • Guides

Explore

  • Specialties
  • Educator Resources
  • Formula History

About & Trust

  • About MedMaths
  • George Lambroglou, RN
  • Methodology
  • Editorial Policy
  • Contact

Legal & Safety

  • Medical Disclaimer
  • Privacy Policy
  • Terms of Service
  • Cookie Policy

Privacy by default

Calculator inputs are processed locally in your browser and are not stored by MedMaths.

Clinical safety

MedMaths supports calculation and learning. Confirm authorised orders, current product information, patient factors and local policy before clinical use.

© 2026 MedMaths. All rights reserved.

Contact us: medmaths.calc@gmail.com

For a serious or urgent emergency, call your local emergency number or attend the nearest emergency department.

MedMaths is not a substitute for professional medical advice, diagnosis, or treatment.