Concentration, blends & conversions
Peptide calculator
Choose a calculator below. Switch between mg and mcg anytime; your amounts stay consistent when you change units.
Peptide concentration calculator
Vial strength + added liquid → concentration per U-100 syringe unit.
Use the total labeled amount in the vial.
For this estimate, the final volume is assumed equal to the mL entered.
Leave blank if you only want concentration. No dose is suggested.
U-100 syringe · 100 units = 1 mL
Blend breakdown
Add your components and the amount of liquid added. The breakdown updates instantly as you enter your numbers.
ComponentQuantityUnit
100 U-100 units = 1 mL. Changing the unit automatically converts the number entered.
Unit converter
Quick conversions for mass (mg ↔ mcg) and volume (mL ↔ U-100 units).
1 mg = 1,000 mcg · 1 mL = 100 U-100 units