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Points and scales

An estimate can be calculated in hours or in points. In Points mode you enter items as numbers on your team's scale, and Dead Point derives the timeline and the cost from the team's velocity and cost. No hourly rate is needed.

  1. Open the estimate and go to the Settings tab
  2. In the Calculation mode section, set Mode to Points (instead of Hours)
  3. Choose a scale in Point scale: the field appears in points mode only
  4. Fill in the Points pricing section: see "Velocity and team cost" below

Point scale offers four scales. An item takes its value from the dropdown of its scale:

ScaleValues
Linear0 to 10, then 15, 20, 25, 30, 40, 50, 100
Fibonacci0, 1, 2, 3, 5, 8, 13, 21, 34, 55, 89
Exponential0, 1, 2, 4, 8, 16, 32, 64 (powers of two)
T-shirtXS, S, M, L, XL, 2XL, 3XL

T-shirt sizes are numbers underneath: XS is 1, S is 2, M is 3, L is 5, XL is 8, 2XL is 13, 3XL is 21. There is nothing above 3XL.

The Points pricing section connects points to money and time:

FieldWhat it sets
Team cost per monthWhat the team costs per month
Average working days per monthThe divisor for the daily cost
Team velocity per cycle (points)How many points the team finishes per cycle. On the T-shirt scale the field is called Team velocity per cycle and you pick a size
Working days per cycleCycle (sprint) length in working days
Risk buffer (%)A markup on the effort for the unexpected. 15% by default

Dead Point calculates the rest and shows it read-only in the Derived metrics section:

  • Team cost per day: team cost per month divided by average working days
  • Team cost per cycle: daily cost multiplied by working days per cycle
  • Derived point rate: cost per cycle divided by velocity per cycle
  • Throughput per day: velocity per cycle divided by working days per cycle

Starting values come from the workspace settings. A changed field is marked Overridden in this estimate, and the Reset to workspace default button brings the workspace value back.

  • Effort with buffer is the points plus the risk buffer: at 15%, 13 points become 13 × 1.15 = 14.95
  • Cost of the effort is the effort with buffer multiplied by the point rate
  • Timeline in working days is the effort with buffer divided by throughput per day, rounded up
  • Completion date counts from the start date on the working-days calendar: weekends and holidays do not count

The team costs 4000 EUR per month, a month has 20 working days. A cycle is 10 working days, and the team finishes 20 points per cycle.

MetricCalculationResult
Cost per day4000 / 20200 EUR
Cost per cycle200 × 102000 EUR
Point rate2000 / 20100 EUR
Throughput per day20 / 102 points

The risk buffer is 15%. A 13-point task counts as 13 × 1.15 = 14.95 points. Cost: 14.95 × 100 = 1495 EUR. Timeline: 14.95 / 2 = 7.475, rounded up to 8 working days.

The client report shows the effort in points, not in hours, for example "13 SP".