Laboratory Reconstitution Calculator | Pure Grade Labs
Lab Reference Peptide Basics Research Use Only Last Updated: June 2026

Laboratory Reconstitution Calculator

Three calculators for research peptide preparation. Enter your vial and water details to calculate concentration per mL, the quantity contained in a drawn volume, or the exact volume to draw for a target quantity. For laboratory reference only — not a dosing guide.

Concentration Calculator

Enter vial quantity and bacteriostatic water volume to calculate the resulting concentration per mL. This is the starting point for all subsequent calculations.

Calculator A
Enter vial quantity and water volume above to calculate concentration.

Output = concentration per mL (mcg/mL and mg/mL). For laboratory reference only — not a dosing guide.

Volume Analysis Calculator

Given your vial details and the volume drawn into a syringe, calculate the exact quantity (mcg and mg) contained in that drawn volume.

Calculator B
Enter all three values above to calculate quantity in drawn volume.
Tip: On a U-100 insulin syringe, each unit mark = 0.01 mL — so 10 units = 0.10 mL, 25 units = 0.25 mL.

Volume Planning Calculator

Enter your target research quantity in either mcg or mg — the other field auto-fills. Then add your vial details to calculate the exact volume to draw.

Calculator C
Enter target quantity and vial details above to calculate draw volume.

Output = volume to draw in mL and equivalent units on a U-100 insulin syringe. For laboratory reference only.

Common Concentration Reference

Standard reconstitution concentrations for common vial sizes. For laboratory planning reference only.

Vial Size BW Added mcg/mL mg/mL
2 mg1 mL2,000 mcg/mL2 mg/mL
2 mg2 mL1,000 mcg/mL1 mg/mL
5 mg1 mL5,000 mcg/mL5 mg/mL
5 mg2 mL2,500 mcg/mL2.5 mg/mL
10 mg1 mL10,000 mcg/mL10 mg/mL
10 mg2 mL5,000 mcg/mL5 mg/mL
10 mg5 mL2,000 mcg/mL2 mg/mL
50 mg5 mL10,000 mcg/mL10 mg/mL
50 mg10 mL5,000 mcg/mL5 mg/mL

This calculator is provided for laboratory reference purposes only. All products supplied by Pure Grade Labs are research chemicals for laboratory use only — not for human consumption or therapeutic use. Output values are mathematical calculations only and do not constitute dosing guidance, medical advice, or a recommendation for any experimental application. Researchers are responsible for compliance with all applicable regulations governing the use of research chemicals in their jurisdiction.