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: 20 Jan 2026


Project management FAQs

Can a project belong to more than one programme?
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How is Agile PM different from traditional PM?
Is project management hard to learn?
Is Scrum Agile or waterfall?
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What are the 5 stages of project management?
What are the 5 W's of project management?
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What is the difference between programme & project management?
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What is the triangle of project management?
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What project management means?

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