What does the safety factor of two mean for a product rated to 100 kg?

It is designed to fail under at least 200 kg.

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  1. It is designed to fail under at least 200 kg ✔
  2. It should never be used above 50 kg
  3. It weighs twice as much as rated

Why: A safety factor of two means the product is built to handle at least twice its rated load before failing.

Huh, didn't know that: A safety factor of two means the product is built to handle at least twice its rated load before failing.

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That margin is a real overachiever, it always goes the extra kilogram.
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References

Answer: It is designed to fail under at least 200 kg. A safety factor of two means the product is built to handle at least twice its rated load before failing.

  1. Safety en.wikipedia.org/wiki/Safety
    a product rated to never be required to handle more than 100 kg might be designed to fail under at least 200 kg, a safety factor of two
    Checked 2026-11-07.

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