Rule of Nines Child Calculator: Pediatric Burn TBSA Estimation

Calculate Pediatric Burn Total Body Surface Area (TBSA)

Our Rule of Nines Child Calculator is an essential tool for healthcare professionals and parents to quickly estimate the Total Body Surface Area (TBSA) affected by burns in children. This pediatric burn calculator helps guide immediate fluid resuscitation and ongoing burn management based on modified percentages tailored for pediatric anatomy.

Formula:

TBSA (%) = (HeadB × 0.18) + (LArmB × 0.09) + (RArmB × 0.09) + (TrunkFrontB × 0.18) + (TrunkBackB × 0.18) + (LLegB × 0.135) + (RLegB × 0.135) + (GenitaliaB × 0.01)

Where:

  • HeadB = Percentage of the child's head surface area burned (0-100)
  • LArmB = Percentage of the child's left arm surface area burned (0-100)
  • RArmB = Percentage of the child's right arm surface area burned (0-100)
  • TrunkFrontB = Percentage of the child's front trunk surface area burned (0-100)
  • TrunkBackB = Percentage of the child's back trunk surface area burned (0-100)
  • LLegB = Percentage of the child's left leg surface area burned (0-100)
  • RLegB = Percentage of the child's right leg surface area burned (0-100)
  • GenitaliaB = Percentage of the child's genitalia surface area burned (0-100)
(All percentages are entered as values from 0 to 100, which are then converted to decimals for calculation.)

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