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Calcimator

Canoe Loading Calculator

Calculate total load, remaining capacity, estimated freeboard, and safety rating for your canoe trip. Ensure safe weight distribution before launch.

Inputs

lb
lb
lb
lb
lb

Results

Total Load

175 kg

≈ 18 car tires

Capacity Used50%
Remaining Capacity175 kg
Est. Freeboard22 cm
Safety Rating1
Total Weight With Canoe210
How to Use This Calculator
  1. Enter your canoe's rated weight capacity in lbs (from the manufacturer's spec sheet).
  2. Input the weight of paddler 1 in kg and paddler 2 in kg (or 0 for solo paddling).
  3. Enter total gear weight in kg for all packs, coolers, and equipment.
  4. Input the canoe's own weight in kg.
  5. Read Remaining Capacity and Freeboard to assess how much reserve you have before the gunwales get dangerously close to the waterline.
  6. Check Safety Rating — aim for the green zone by keeping total load below 80% of rated capacity.

How the result changes with Paddler 1 Weight

Paddler 1 WeightTotal Load
20115 kg
70165 kg
130225 kg
180275 kg

What each input means

Canoe Capacity
Maximum load capacity of your canoe (not including the canoe's own weight). Found on the capacity plate or manufacturer specs.
Paddler 1 Weight
Weight of the stern (rear) paddler. This is typically the heavier paddler for better trim.
Paddler 2 Weight
Weight of the bow (front) paddler. Enter 0 for solo paddling.
Gear Weight
Total weight of all gear, food, water, coolers, and supplies. Weigh bags before loading for accuracy.
Canoe Weight
Weight of the canoe itself. Used for total transport weight and freeboard estimation. Aluminum ~30-37kg, composite ~16-25kg.

What each result means

Total Load
Combined weight of all paddlers and gear (excluding the canoe itself).
Capacity Used
Percentage of the canoe's rated load capacity in use. Stay under 85% for calm water, 70% for rough conditions.
Remaining Capacity
How much additional weight you can safely add before reaching the rated capacity.
Est. Freeboard
Estimated distance from waterline to gunwale. Below 15cm is risky in any conditions; below 8cm is dangerous.
Safety Rating
1 = Safe (<70%), 2 = Caution (70-85%), 3 = Risky (85-100%), 4 = Overloaded (>100%).

How this is calculated

Worked example, using the default values

  1. Identify Input Parameters
    4 parameters
    Canoe Capacity = 350, Paddler 1 Weight = 80, Paddler 2 Weight = 70, Gear Weight = 25 = 5 input(s) provided
  2. Calculate Total Load
    Total Load
    175 = 175
  3. Calculate Capacity Used
    Capacity Used
    50 = 50
  4. Calculate Remaining Capacity
    Remaining Capacity
    175 = 175

Engine last updated . Checked against 2 independently-derived tests — how we verify calculators.

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