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Calcimator

Dragon Boat Team Calculator

Optimize dragon boat crew balance and seating from paddler weights, calculate weight spread, power section targets, and stroke rate.

Inputs

Results

Total crew weight (lbs)

3,720

Rows needed10
Crew balance score (0-100)33
Weight spread (%)52.9
Power section target (lbs/paddler)190
Optimal stroke rate (spm)75
Is Odd CrewNo
Power Section Paddlers8
Estimated Draft (in)12.81
Ideal Side Weight170
Max Side Imbalance (lbs)$8.50
How to Use This Calculator
  1. Enter the total number of paddlers (not counting the drummer or steerer); standard dragon boat uses 20.
  2. Input the average, heaviest, and lightest paddler weights in lbs for balance analysis.
  3. Enter the drummer's weight (bow position) and steerer's weight (stern position).
  4. Read Total Crew Weight and Crew Balance Score — competitive teams target a balance score of 80 or above.
  5. Check Weight Spread % to identify how uniform your roster is; tighter spreads improve timing.
  6. Use Optimal Stroke Rate (spm) as a baseline for training and race-pace planning.

How the result changes with Total paddlers

Total paddlersTotal crew weight (lbs)
41,000
91,850
152,870
203,720

What each input means

Total paddlers
Number of paddlers (not counting drummer and steerer). Standard is 20.
Average paddler weight (lbs)
Mean body weight of all paddlers on the team.
Heaviest paddler (lbs)
Weight of the heaviest paddler on the team.
Lightest paddler (lbs)
Weight of the lightest paddler on the team.
Drummer weight (lbs)
Weight of the drummer at the bow.
Steerer weight (lbs)
Weight of the steersperson at the stern.

What each result means

Total crew weight (lbs)
Combined weight of all paddlers, drummer, and steerer.
Rows needed
Number of seating rows (2 paddlers per row).
Crew balance score (0-100)
Higher = more uniform crew weight. Competitive teams aim for 80+.
Weight spread (%)
Difference between heaviest and lightest as a percentage of average.
Power section target (lbs/paddler)
Recommended weight for paddlers in rows 1-4 (power section).
Optimal stroke rate (spm)
Recommended strokes per minute based on crew weight profile.

How this is calculated

Worked example, using the default values

  1. Identify Input Parameters
    4 parameters
    Total paddlers = 20, Average paddler weight (lbs) = 170, Heaviest paddler (lbs) = 220, Lightest paddler (lbs) = 130 = 6 input(s) provided
  2. Calculate Total crew weight
    Total crew weight = totalPaddlerWeight + drummerWeightLbs + steerWeightLbs
    3720 = 3720
  3. Calculate Rows needed
    Rows needed = ceil(totalPaddlers / 2)
    10 = 10
  4. Calculate Crew balance score
    Crew balance score
    33 = 33

Engine last updated . Checked against 3 independently-derived tests — how we verify calculators.

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