Use a bathroom scale at a pharmacy, gym, or store
Use a luggage scale by weighing yourself with and without support
Use a known object and a balance scale
Use a homemade balance scale with a ruler, string, and two identical containers
Compare against items with known weight
Use water displacement and density if the object’s shape and material are known
Use a spring scale if available
Use a digital kitchen scale for small objects
Use a hanging scale for bags or portable items
Estimate weight from body measurements and height charts
Use a doctor’s office or clinic scale
Use a postal scale for parcels and small items