What Is Planning Poker? A Complete Guide for Agile Teams

Planning poker (also called scrum poker or pointing poker) is a lightweight estimation technique where every member of a development team privately picks a card that represents how much effort a piece of work will take. All cards are revealed at the same time, the team discusses the differences, and then votes again until it agrees on an estimate.

The technique was popularised by James Grenning in 2002 and later by Mike Cohn in Agile Estimating and Planning. Today it is one of the most common ways for scrum teams to size user stories during backlog refinement and sprint planning.

Why teams use planning poker

Estimating alone is fast but unreliable. Planning poker trades a few minutes of discussion for estimates that are far more trustworthy:

• It avoids anchoring. Because everyone votes at the same time, nobody is swayed by the first number said out loud, which is usually the most senior person's guess.
• It surfaces hidden knowledge. When one person votes 2 and another votes 13, one of them knows something the other doesn't. The conversation that follows is often more valuable than the number itself.
• It builds shared ownership. The whole team commits to the estimate, not just the person who will pick up the ticket.
• It keeps meetings moving. A clear vote–reveal–discuss loop stops refinement sessions from turning into open-ended debates.

How planning poker works, step by step

1. Present the story. The Product Owner reads the user story and acceptance criteria. The team asks clarifying questions.
2. Everyone votes privately. Each estimator chooses a card, usually from a Fibonacci-like scale such as 1, 2, 3, 5, 8, 13, 21.
3. Reveal together. All cards are turned over at the same moment.
4. Discuss the outliers. The people with the highest and lowest estimates explain their reasoning.
5. Re-vote. Repeat until the estimates converge. Most stories converge within two rounds.

For a more detailed facilitation checklist, see how to run a planning poker session.

What do the numbers mean?

Planning poker cards usually represent story points: a relative measure of effort, complexity and uncertainty. A 5-point story isn't "five hours"; it's roughly twice as big as a 2 or 3. The gaps between numbers grow on purpose: the bigger a task is, the less precisely anyone can estimate it.

Most decks also include a few special cards:

• ? means "I don't know enough to estimate this", a signal that the story needs more refinement.
• 0 or ½ is for trivial changes.
• Very large values (40, 100 or ∞) mean the story should be split before it enters a sprint.

Planning poker for remote and hybrid teams

Physical card decks don't work when half the team is on a video call. An online planning poker tool replaces the cards with a shared room where everyone votes from their own screen and the reveal happens for everyone at once. Read our tips for running planning poker with remote teams.

Try it now

Planno is free and needs no sign-up. You can start a free planning poker session in a few seconds, share the link with your team, and estimate your next story together.