When Planning Poker Estimates Disagree

Votenir Team6 min read
When Planning Poker Estimates Disagree

You reveal the cards and the table looks like this: two 3s, a 5, an 8 and a 13. Someone sighs. Someone else says "let's just call it a 5". Five minutes later nobody remembers why the 13 was played, and three sprints later that story is still in progress.

When planning poker estimates disagree, the meeting is working. The spread is the point. It tells you the team doesn't share the same picture of the work. This guide shows how to turn that into a better estimate in two rounds or less.

Why disagreement is good news

Planning poker exists to surface hidden assumptions. A wide spread usually means one of four things:

Averaging the numbers hides all four. Talking about them fixes all four.

The playbook: from spread to agreement

Step 1: Look at the spread, not the average. A 5 average from five 5s is very different from a 5 average made of a 2 and a 13. If the highest and lowest cards are next to each other on the deck (say 3 and 5), you're close enough: pick one and move on.

Step 2: Ask the outliers to explain, high first. Ask the highest voter "what are you seeing?", then the lowest. Keep it to one or two sentences each. Starting with the high estimate tends to bring out risks before optimism takes over.

Step 3: Check scope. Ask, "Are we all including testing, review and deployment?" Many disagreements disappear the moment the team agrees on what "done" covers.

Step 4: Re-vote once. Hide the cards again and let everyone choose with the new information. In Votenir, the owner can un-reveal the round so people can change their card, then reveal again.

Step 5: Decide, don't loop. If the second round converges, take it. If it doesn't, use one of the tie-breakers below. Never go to a third round hoping the numbers will sort themselves out.

Tie-breakers when the second round still disagrees

Situation What to do
Spread of one step (e.g. 5 and 8) Take the higher number; it's usually closer to reality
Spread of several steps, clear reason Split the story along the line of disagreement
Several ? cards Stop; the story needs refinement before estimating
Nobody knows how hard it is Add a timeboxed spike and estimate after
One expert vs the rest Ask the expert to pair with someone; estimate with that in mind

Common mistakes

Use your history to spot patterns

One disagreement is a conversation. The same disagreement every sprint is a pattern. Look back at past rounds and ask:

Votenir saves every revealed round with each person's vote, so you can bring real examples to your next retrospective rather than impressions. For more habits that keep sessions short, see 10 planning poker best practices.

Frequently asked questions

Should you take the average in planning poker?

Not as the final estimate. The average hides the information you need. Use the spread to start a discussion, re-vote, then pick a value the team agrees with.

How many times should you re-vote?

Once. If the team still disagrees after one re-vote, split the story, take the higher value, or add a spike.

What if one person always votes very differently?

Ask them what they're seeing. Their view may come from experience the team lacks. If it's a calibration problem, a shared reference story usually fixes it.

Is it okay to just pick the higher estimate?

For a one-step gap, yes. Most work takes longer than expected, so the higher estimate is usually the safer choice.

Written by the team behind Votenir, a free retrospective and planning poker tool.