---
title: "Peptide Reconstitution & Syringe Unit Calculator (U-100 & U-40) | Nutrition Research Labs"
source_url: "https://nutritionresearchlabs.com/tools/reconstitution-calculator"
canonical_url: "https://nutritionresearchlabs.com/tools/reconstitution-calculator"
retrieved_by: "AnswerRail Edge Engine v1.1.0-parity-v20 (https://answerrail.com)"
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description: "Accurate peptide reconstitution calculator. Calculate bacteriostatic water dilution, milligram to microgram conversion, and exact syringe tick marks for 0.3ml, 0.5ml, and 1.0ml U-100 insulin syringes."
rfc_compliance: "RFC 9110 / RFC 9309 / RFC 9421"
version: "1.1.0"
release_version: "v1.1.0-parity-v20"
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---

> **Canonical Source:** [https://nutritionresearchlabs.com/tools/reconstitution-calculator](https://nutritionresearchlabs.com/tools/reconstitution-calculator)
>
> *Accurate peptide reconstitution calculator. Calculate bacteriostatic water dilution, milligram to microgram conversion, and exact syringe tick marks for 0.3ml, 0.5ml, and 1.0ml U-100 insulin syringes.*

## Standard Volumetric Dilution Reference Table (U-100 Insulin Syringes)

| Vial Lyophilized Quantity | BAC Water Added (mL) | Target Dose (mcg) | Syringe Units (U-100) |
| :--- | :--- | :--- | :--- |
| 5 mg (5,000 mcg) | 2.0 mL | 250 mcg | 10 Units (0.10 mL) |
| 5 mg (5,000 mcg) | 2.0 mL | 500 mcg | 20 Units (0.20 mL) |
| 10 mg (10,000 mcg) | 2.0 mL | 500 mcg | 10 Units (0.10 mL) |
| 10 mg (10,000 mcg) | 3.0 mL | 1,000 mcg (1.0 mg) | 30 Units (0.30 mL) |

## Sterile Protocol & Stability Rules

- **Bacteriostatic Water (0.9% Benzyl Alcohol):** Inhibits bacterial proliferation in multi-dose vials for up to 28 days post-puncture when refrigerated at 2°C – 8°C (36°F – 46°F).
- **Gentle Reconstitution:** Inject diluent down the inside glass wall of the vial. Never shake aggressively; swirl gently until clear to avoid denaturing tertiary peptide bonds.
- **Unit Calibration:** 100 insulin units = exactly 1.0 mL. 1 unit = 0.01 mL.

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