Insulin Sensitivity Factor

Name: Insulin Sensitivity Factor
Creator: Daniel Diaz-Gil, MD
Keywords: insulin sensitivity factor, ISF, correction factor, diabetes, type 1, TDD, endocrinology, pediatric

Calculates insulin sensitivity (correction) factor using the 1800 rule (rapid-acting) or 1500 rule (regular)

Clinically Verified· 5 tests

For educational and informational purposes only. Verify all results before clinical application.

Total Daily Insulin Dose (units) *

units

Insulin Type *

References

Walsh J, Roberts R, Bailey T. Guidelines for insulin dosing in continuous subcutaneous insulin infusion using new formulas from a retrospective study of individuals with optimal glucose levels. J Diabetes Sci Technol. 2010;4(5):1174-1181.[DOI]

Reviewed by Daniel Diaz-Gil, MD · Last updated March 2026

Medical disclaimer

This tool is for educational and informational purposes only. It is not a substitute for professional clinical judgment. Always independently verify results before making clinical decisions.

Professional Resources — Tools used by pediatricians for endocrine assessment

Pediatric Endocrinology HandbookClinical reference for pediatric endocrine disorders~$70via Amazon Growth & Puberty Reference GuideQuick-reference for Tanner staging, growth velocity, and bone age~$15via Amazon