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# What is a lethal dose of bleach?

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Sodium hypochlorite, the active ingredient in household bleach, has a 50% chance of being lethal at a concentration of 192 mg per kilogram of a person's weight, according to a resource from Cornell University. That would equal about 3.6 grams of liquid bleach (at a concentration of 5.25%) per kilogram of the drinker's weight.

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Bleach is also horribly caustic and causes soft tissue chemical burns on contact, especially if imbibed. Even consumed in small doses, a person becomes seriously ill and requires hospitalization, explains Cornell University. If a person suspects that he or another has consumed bleach, he should call the poison control center immediately.

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## Related Questions

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Calculate urine output per hour by dividing each kilogram of body weight by 0.5 milliliters, according to EasyCalculation.com. This is the minimum expected hourly urine output for an average adult. For children, the expected output per hour is about 1 milliliter per kilogram of body weight.

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If a person follows the appropriate directions an uses a diluted amount of bleach, it is safe to take a bleach bath, as specified by Mayo Clinic. The appropriate ratio of bleach to water is one-half cup of bleach per 40 gallons of water. This amount of water fills a standard-sized bathtub.

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According to the Body Mass Index chart provided by Rush University Medical Center, a healthy weight for a person who is five feet, two inches tall is between 104 and 131 pounds. BMI charts are not an exact science because amounts of bone, muscle and fat vary by body type.