Pediatric Weight Estimation Calculator
Medicine & Clinical ToolsEstimate a child approximate weight from age, using a standard pediatric estimation formula.
Estimated Weight
Estimated weight in kilograms for a child aged 1 to 10 years, using a standard pediatric estimation formula. Always use actual measured weight when available.
Found this calculator useful?
From Scratch To $10K/Month In 60 Days
This is a proven money making system that takes students by the hand to make at least $10,000 per month, every month. Students get 12 weeks of guided coaching in addition to the "MPS Super Funnel" and tools.
We value your privacy and promise not to sell or misuse your information. Here's our privacy policy.
Calculator Stats
Creators
Odeh AhwalBased on 3 sources
0people find this calculator helpful
Views
Helpful
Saved
Embeds
Calculator Stats
Creators
Odeh AhwalBased on 3 sources
0people find this calculator helpful
Views
Helpful
Saved
Embeds
Medicine & Clinical Tools calculators
Frequently Asked Questions
When is an estimated weight formula used instead of actual measurement?
Weight estimation formulas are primarily used in emergency situations where a child cannot be immediately weighed, such as pre-hospital or initial emergency department care, to guide urgent dosing decisions until actual weight is obtained.
What age range does this formula apply to?
This particular formula is designed for children approximately 1 to 10 years old — infants under 1 year and adolescents typically require different estimation approaches given different growth patterns.
Should an estimated weight ever replace an actual measured weight?
No, estimated weight should only be used when actual measurement is not immediately possible, and actual measured weight should be obtained and used as soon as practically feasible for all ongoing care decisions.
Sources
- Validity of Broselow tape for estimating the weight of children in pediatric emergency: A cross-sectional study, Frontiers in Pediatrics (PMC/NIH)
- The Broselow and Handtevy Resuscitation Tapes: A Comparison of the Performance of Pediatric Weight Prediction, PubMed (Prehospital and Disaster Medicine, Lowe et al., 2016)
- Pediatric and Neonatal Resuscitation, StatPearls / NCBI Bookshelf (NIH)
Spot a mistake? Tell us what's wrong.
Request a calculator. The most-requested ones get built first in our monthly batch.
Request a calculatorWant this calculator on your website?
Embed the Pediatric Weight Estimation Calculator on any site — no code needed. Customize colors, remove branding, and track usage.
