How to Use the Definition of Ready to Speed Up Estimation

The single biggest cause of slow estimation sessions is stories that aren't ready to be estimated. A Definition of Ready (DoR) fixes this before the meeting starts.

What a Definition of Ready is

A DoR is a checklist a story must pass before the team will estimate it. Unlike the Definition of Done (which applies after delivery), the DoR applies before any work begins.

A basic DoR might require:

• A clear user story format ("As a... I want... So that...")
• Acceptance criteria written in testable format
• Dependencies identified and unblocked
• UI mockups attached (if relevant)
• Business value or priority assigned by the Product Owner

How it speeds up estimation

When a story doesn't meet the DoR, the facilitator calls it out immediately: "This isn't ready - no acceptance criteria." The story is pulled, and you move on.

Without a DoR, the team spends 20 minutes trying to estimate something they don't understand, arrive at a wide spread, and either park it anyway or pick an arbitrary number nobody trusts.

How to create yours

Run a quick retrospective exercise: ask the team to recall the last time estimation stalled. What was missing? That's a DoR criterion. Common results:

• "We couldn't estimate because we didn't know who was the approver" → add decision-maker identified
• "We spent 10 minutes explaining the context" → add brief technical context written in the description
• "The scope kept changing during voting" → add scope frozen before entering sprint planning

The DoR is a living document

Revisit it every quarter. As the team matures, some criteria will feel obvious (and can be removed) while new ones will emerge from new problem patterns.

A DoR doesn't slow down the Product Owner - it gives them a clear contract for what "ready for sprint" means. That clarity helps everyone.