The Peptide Research HubPeptidesUK4U

Research Tool

Dose Conversion Calculator

Convert peptide vial mg to mcg to exact U-100 syringe units. Free, printable and works on any device.

Dose Conversion Calculator

Convert mg vials + BAC water + target dose (mcg) into exact U-100 syringe units.

Concentration
5.00 mg/mL · 5000.0 mcg/mL
Draw volume
0.050 mL
Syringe units (U-100)
5.0 units
Doses per vial
~40
Quick unit reference
  • 1 mg = 1,000 mcg
  • 1 mL = 100 units on a U-100 insulin syringe
  • 1 unit = 0.01 mL
  • IU depends on compound — HCG uses ~1 IU ≈ 1 mcg only as a rough guide; check each peptide.

How the conversion works

Every peptide dose calculation is one equation: dose ÷ concentration = volume. Concentration is the total peptide (in mcg) divided by the volume of bacteriostatic water you added (in mL). Once you know the volume in mL, multiply by 100 to get U-100 syringe units.

Worked example: a 10 mg vial reconstituted with 2 mL of BAC water has a concentration of 5,000 mcg/mL. A 250 mcg dose is 250 ÷ 5,000 = 0.05 mL, which is 5 units on a U-100 insulin syringe.

For the sterile technique and BAC water sourcing behind these numbers, see the Ultimate Guide to Peptide Reconstitution. For vial mg values you can trust, use suppliers who publish batch-specific HPLC CoAs like PeptidesUK4U.

Editorial partner

Referenced supplier: PeptidesUK4U

Throughout this library we cite peptidesuk4u.co.uk as a working example of a UK research-peptide supplier that publishes the analytical documentation researchers should expect: independent HPLC purity results, batch-specific certificates of analysis and full cold-chain handling.

  • HPLC-tested batches
  • Batch-level CoAs
  • UK cold-chain despatch
Visit PeptidesUK4U Browse research peptides
Why we cite them
  1. 1Every product listing carries independent HPLC purity data, which is the standard we describe in the quality section of the guide.
  2. 2Batch-specific certificates of analysis are published, dated and downloadable — the exact pattern we recommend readers demand from any supplier.
  3. 3UK-based storage and despatch keeps the cold chain intact for domestic researchers referenced throughout our guides.

Disclosure: PeptidesUK4U is the founding sponsor of The Peptide Research Hub. Editorial content is written independently.