What is the triangle of project management?

The triangle of project management is composed of time, cost, and scope, which together influence quality. This concept is often referred to as the 'iron triangle' or 'triple constraints'. The idea is that altering one aspect, such as the project's budget, timeline, or scope, will consequently impact at least one of the other elements.

Last edited on: 23 Sep 2025


Project management FAQs

Can a project belong to more than one programme?
Do project managers write business cases?
How do you compare programme and project management?
How do you plan for a project or programme?
How hard is project management?
How is Agile PM different from traditional PM?
Is PRINCE2 the same as waterfall?
Is project management hard to learn?
Is Scrum Agile or waterfall?
What are KPIs in project management?
What are the 5 phases of the project life cycle?
What are the 5 stages of project management?
What are the 5 W's of project management?
What are the basics of project management?
What are the five phases of a project?
What are the phases of PM?
What are the three most important things in project management?
What do you mean by Agile project management?
What does the Gantt chart stand for?
What is a program vs project life cycle?
What is a project life cycle?
What is Agile PM vs waterfall PM?
What is Agile working in project management?
What is difference between project and program management?
What is project management in simple words?
What is the 80 20 rule for project managers?
What is the Agile methodology in project management?
What is the difference between Agile and waterfall?
What is the difference between enterprise change and project change?
What is the difference between PM and Agile?
What is the difference between programme & project management?
What is the difference between project and programme management?
What is the life cycle of a project?
What is the RACI matrix used for?
What is the triangle of project management?
What is WBS in project management?
What project management means?

Project Management related articles

Project management steps
Project management steps
image
Project management is crucial for success. Discover the essential phases and elevate your skills to ensure projects from start to finish deliver exceptional outcomes.
How to Apply AI Technology to Your Project with Paul Boudreau
How to Apply AI Technology to Your Project with Paul Boudreau
image
This webinar provides a concise overview of AI in projects, showcasing practical applications and AI's capabilities. Read on to enhance your project management skills.
Agile PMO
Agile PMO
image
Learn how a PMO can enhance organization value by supporting project goals. Discover the role of a PMO in modern business by scrolling down.
Knowledge Train | Managing Successful Projects with PRINCE2: Book review
Managing Successful Projects with PRINCE2: Book review
image
Explore the updated 7th edition of 'Managing Successful Projects with PRINCE2' in this book review. Learn about new features and updates relevant to practitioners.
How to write a business case
How to write a business case
image
Master the art of writing a compelling business case to secure project investment. Learn essential skills on business analyst courses by reading further.
Project management glossary
Project management glossary
image
Discover essential project management terminology in our glossary. Gain clarity on crucial concepts and boost your project management skills as you explore our detailed guide.
Project management benefits
Project management benefits
image
Project management offers a wide range of benefits for businesses. Let’s look at the most important of them and how they can help you to grow your organisation and boost the bottom line.
Project management KPIs
Project management KPIs
image
Discover the most important KPIs in project management. Check out our project management KPIs guide and learn how to use them.
Social media on projects
Social media on projects
image
Uncover how social media can enhance project management and professional growth. Discover the platforms and techniques that can aid your career.
Essential project management skills
Essential project management skills
image
Learn the essential project management skills you need to succeed at delivering projects. Read this handy guide to develop these key capabilities and become a better project leader.
Kanban management – from chaos to clarity when transforming projects
Kanban management – from chaos to clarity when transforming projects
image
Kanban project management provides an effective route for transforming chaotic projects into structured success. Use Kanban to create a smoother workflow and increase your productivity levels. Advance your projects today by reading further.
Project portfolio management tools
Project portfolio management tools
image
Explore the features of different project portfolio management tools and how to choose the right one for your needs. Read on for a detailed guide.

This website use cookies.