4n6 Tools Lite

Content rating
Everyone
10+
Downloads
Content rating
Everyone
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About this app

4n6 Tools Lite is the free version of the professional forensic calculators for forensic medicine. Try four fully working tools and see if the app fits your workflow.

FREE IN LITE
• BMI and nutritional status.
• Body surface area (BSA) and expected heart weight.
• Unit converter (mg/dL ↔ mmol/L and more) for common analytes or a custom molar mass.
• Age from aortic circumferences.

THE FULL PRO VERSION
Pro unlocks every tool: time of death (Henssge nomogram, postmortem changes), vitreous biochemistry (potassium PMI, Traube index), toxicology and alcohol (reference concentrations, ethanol interpretation, Widmark and calculations), forensic entomology and anthropology (stature/age from bones, skeletal sex/age).

FEATURES
• Bilingual: English and Slovak.
• Works offline, entirely on-device — sends nothing and stores nothing.
• Methods and references with every tool.

DISCLAIMER
Results are orientational and based on published methods. This app is not a medical device. The final assessment belongs to the examining physician or expert.
Forensic calculators: BMI, BSA, unit converter, age from aortic girth
Updated on
Sep 12, 2026

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
  • No data shared with third parties
    Learn more about how developers declare sharing
  • No data collected
    Learn more about how developers declare collection

What’s new

• Locked Pro tools are easier to read on the home screen.
• Fixed a tool name that showed in English in the Slovak interface.
Content rating
Everyone
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App support

Phone number
+421948060981
About the developer
Ján Šikuta
jansikuta@me.com
Zalužická 3 821 02 Bratislava Slovakia