GHB Dosage Calculator by Weight

What are you taking?

GHB (the classic)

GBL (the stronger one)

Your Weight (kg)

Don't know kg? 1kg = 2.2lbs (150lbs ≈ 68kg)

Your Experience Level

Everyone's body is different! Start low and go slow for the best experience.

Mobile Calculator

Step 1 of 4: Select Substance

Choose Your Substance

Select the substance you plan to use

This calculator helps you determine a GHB/GBL dose based on body weight. Always start low, especially if you are a new user. This tool is for informational purposes only and not a substitute for professional medical advice.