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Calcimator

Gear Weight Calculator

Calculate total climbing rack weight from selected protection, quickdraws, slings, and personal gear. See weight breakdown by category and identify where to save weight.

Inputs

lb
lb
lb

Results

Total Rack Weight

7.49 kg

≈ 4 bags of sugar

Total Weight7,490 g
Protection Weight1,330 g
Connection Weight1,500 g
Personal Gear Weight4,660 g
Rack StyleFull Trad Rack
Total Gear Pieces34
How to Use This Calculator
  1. Enter the number of cams, nuts, quickdraws, and slings you plan to carry on the route.
  2. Input counts for personal items like harness, belay device, helmet, and shoes.
  3. Add any optional items such as ascenders, taglines, or extra anchoring gear.
  4. Read Total Rack Weight in kg to assess whether your load is within a comfortable range.
  5. Review the Weight Breakdown by Category chart to identify the heaviest categories for trimming.
  6. Use the results to decide which duplicates or rarely used pieces to leave at the base.

How the result changes with Rope Weight

Rope WeightTotal Rack Weight
0.84.79 kg
2.86.79 kg
5.29.19 kg
7.211.19 kg

What each input means

Number of Cams
Total spring-loaded camming devices (SLCDs). A single rack typically has 6-12 cams. Average weight ~110g each.
Number of Nuts
Passive wired nut placements. A standard set has 8-13 nuts. Average weight ~45g each.
Number of Quickdraws
Sport climbing quickdraws or alpine draws. Most single-pitch sport routes need 10-15. Average weight ~100g each.
Number of Slings
Sewn or tied slings (120cm) for extensions and anchors. Average weight ~75g each.
Rope Weight
Total rope weight in kilograms. A 60m × 9.8mm single rope weighs ~3.5 kg. Check your rope's specs.
Harness Weight
Climbing harness weight in kilograms. Sport harnesses ~300-400g, trad harnesses ~400-500g.
Helmet Weight
Climbing helmet weight in kilograms. Modern helmets range from 200-350g.

What each result means

Total Rack Weight
Combined weight of all climbing gear including miscellaneous items (belay device, chalk bag, locking carabiners).
Total Weight
Total weight in grams for precise comparison.
Protection Weight
Combined weight of cams and nuts (passive and active protection).
Connection Weight
Combined weight of quickdraws and slings.
Personal Gear Weight
Combined weight of rope, harness, helmet, and miscellaneous items.
Rack Style
Classification based on protection types: Sport Only, Cam-Only, Nut-Only, or Full Trad Rack.
Total Gear Pieces
Total count of protection, quickdraws, and slings on the rack.

How this is calculated

Worked example, using the default values

  1. Identify Input Parameters
    4 parameters
    Number of Cams = 8, Number of Nuts = 10, Number of Quickdraws = 12, Number of Slings = 4 = 7 input(s) provided
  2. Calculate Total Rack Weight
    Total Rack Weight
    7.49 = 7.49
  3. Calculate Total Weight
    Total Weight
    7490 = 7490
  4. Calculate Protection Weight
    Protection Weight
    1330 = 1330

Engine last updated . Checked against 1 independently-derived test — how we verify calculators.

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