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Calcimator

Agile Team Capacity Calculator

Calculate sprint capacity accounting for ceremonies and focus factor.

About this calculator

This calculator converts a team's raw sprint calendar into a realistic capacity figure by subtracting time off and ceremony overhead, then applying a focus factor for the portion of remaining time that actually goes toward planned work. Total Available Hours starts from Team Members times Sprint Length in days times Productive Hours per Day, minus Total PTO Days across the team, converted to hours. Ceremony Overhead — time spent in standups, planning, review, and retro — is subtracted per person before the Focus Factor is applied, since ceremony time was never available for focused work in the first place.

Sprint Capacity (the primary result) is that remaining time multiplied by Focus Factor, a percentage most agile teams set between 60-80% to account for context switching, interruptions, and other overhead the sprint calendar doesn't explicitly account for. Estimated Story Points divides Sprint Capacity by 5, a rough industry rule of thumb that one story point corresponds to roughly 4-6 hours of focused work — treat it as a starting point for calibrating against your own team's historical velocity, not a universal conversion. Optimal Team Size answers a different question: given the same sprint length, hours per day, and focus factor, how many people would be needed to produce exactly this team's Sprint Capacity working alone — it is a normalization figure for comparing capacity across teams of different sizes, not a staffing recommendation.

Inputs

days
hrs
days
hrs
%

Results

Sprint Capacity (hours)

205.8 hrs

Estimated Story Points41
Total Available Hours342 hrs
Capacity Per Person34.3 hrs
Total Available Days57
Ceremony Overhead48 hrs
Utilization Rate70%
Optimal Team Size5
How to Use This Calculator
  1. Enter the number of team members available for the sprint.
  2. Set the sprint length in days and the working hours per day.
  3. Input the average focus factor percentage (typical teams: 70–80%).
  4. Enter planned time off or ceremony hours.
  5. Review the total available sprint capacity in person-hours and story-point equivalent.

How the result changes with Sprint Length

Sprint LengthSprint Capacity (hours)
579.8 hrs
7.5142.8 hrs
15331.8 hrs
25583.8 hrs

What each input means

Team Members
Number of team members in the sprint.
Sprint Length
Sprint duration in working days.
Productive Hours / Day
Productive hours per person per day.
Total PTO Days (team)
Total PTO/sick days across the team this sprint.
Ceremony Hours (per person)
Hours per person spent in sprint ceremonies.
Focus Factor
Percentage of available time spent on sprint work.

How this is calculated

Worked example, using the default values

  1. Identify Input Parameters
    6 parameters
    Team Members = 6, Sprint Length = 10, Productive Hours / Day = 6, Total PTO Days (team) = 3, Ceremony Hours (per person) = 8, Focus Factor = 70 = 6 input(s) provided
  2. Calculate Sprint Capacity
    Sprint Capacity
    205.8 = 205.8
  3. Calculate Estimated Story Points
    Estimated Story Points
    41 = 41
  4. Calculate Total Available Hours
    Total Available Hours
    342 = 342

Engine last updated . Checked against 2 independently-derived tests — how we verify calculators. Built by Paul Gunder, a software engineer, not a licensed financial, medical, or legal professional.

Frequently Asked Questions

What's the biggest lever for increasing Sprint Capacity?

Sprint Length, Productive Hours per Day, and Team Members all move Sprint Capacity by a similar order of magnitude at the default values, since Sprint Capacity is roughly proportional to the product of all three (before ceremony and focus-factor adjustments). There is no single input that dominates outright — a small increase to any of the three raises capacity by a comparable amount, so the best lever depends on which is most realistic to change for your team.

Why does raising Ceremony Hours (per person) lower Sprint Capacity?

Ceremony Hours (per person) is subtracted from each team member's available time before Focus Factor is applied, on the reasoning that time spent in standups, planning, and retros was never available for focused sprint work. Total Ceremony Overhead scales with Team Members (more people means more total ceremony time), so raising either Ceremony Hours (per person) or Team Members increases the hours subtracted before Sprint Capacity is calculated.

Does Total PTO Days (team) reduce capacity the same way as Ceremony Hours?

Both reduce Sprint Capacity, but at different points in the calculation. Total PTO Days (team) is subtracted from the team's available WORKING DAYS before converting to hours, so it's scaled by Productive Hours per Day. Ceremony Hours (per person) is already in hours and is subtracted per team member after the day-to-hour conversion. Both ultimately reduce the pool of hours that Focus Factor is applied to.

What does Optimal Team Size actually measure?

It's the number of people who, working the same Sprint Length, Productive Hours per Day, and Focus Factor as your actual team but with zero PTO or ceremony overhead, would be needed to produce exactly this team's Sprint Capacity. It's a normalized comparison figure, not a recommendation to resize your team — a real team always needs more people than this figure to account for the PTO and ceremony overhead the calculator already subtracted out.

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