---
title: "Free Peptide Dosage Calculator — BAC Water & Syringe Units | BioHackingGuide"
description: "Free peptide dosage calculator: enter your vial (mg), BAC water volume (mL), and target dose (mcg) to get exact syringe units. Works for BPC-157, Semaglutide, Tirzepatide, TB-500, CJC-1295, and all research peptides."
lang: en
json-ld: |
  [
    {
      "@context": "https://schema.org",
      "@type": "HowTo",
      "name": "How to Calculate Peptide Dosage from a Vial",
      "description": "Convert peptide vial strength and bacteriostatic water volume into precise syringe units for research dosing. Works for BPC-157, Semaglutide, Tirzepatide, TB-500, CJC-1295, Ipamorelin, and all lyophilized research peptides.",
      "url": "https://biohackingguide.org/peptide-dosage-calculator",
      "tool": [
        {
          "@type": "HowToTool",
          "name": "Insulin syringe (100-unit / 1 mL)"
        },
        {
          "@type": "HowToTool",
          "name": "Bacteriostatic water (BAC water)"
        },
        {
          "@type": "HowToTool",
          "name": "Peptide vial (lyophilized)"
        }
      ],
      "step": [
        {
          "@type": "HowToStep",
          "position": 1,
          "name": "Enter target dose",
          "text": "Enter your desired research dose in mcg or mg."
        },
        {
          "@type": "HowToStep",
          "position": 2,
          "name": "Select vial mode",
          "text": "Choose mg mode for lyophilized powder vials or mL mode for pre-mixed liquid products."
        },
        {
          "@type": "HowToStep",
          "position": 3,
          "name": "Enter vial details",
          "text": "Enter the vial peptide content (e.g. 5 mg) and the volume of BAC water you will add (e.g. 2 mL) to get concentration (2,500 mcg/mL)."
        },
        {
          "@type": "HowToStep",
          "position": 4,
          "name": "Read syringe units",
          "text": "Select your syringe size (30, 50, or 100 units) and the calculator outputs the exact syringe units to draw."
        }
      ]
    },
    {
      "@context": "https://schema.org",
      "@type": "BreadcrumbList",
      "itemListElement": [
        {
          "@type": "ListItem",
          "position": 1,
          "name": "Home",
          "item": "https://biohackingguide.org/"
        },
        {
          "@type": "ListItem",
          "position": 2,
          "name": "Peptide Dosage Calculator",
          "item": "https://biohackingguide.org/peptide-dosage-calculator"
        }
      ]
    }
  ]
---

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