Dose charts & syringe guides
Turn a prescribed dose into the right mark on your syringe. Every page has a calculator and the formula behind it.
Peptide calculator
Reconstitution and units in one place.
Tirzepatide dosage chart in units
Units to draw for 2.5–15 mg by vial concentration, plus the FDA-label dose steps.
Semaglutide dosage chart in units
Units to draw for 0.25–2.4 mg by vial concentration, plus the FDA-label dose steps.
Reconstitution calculator
Powder vial plus bacteriostatic water: the concentration, then the units to draw.
mg to units calculator
Turn a dose in milligrams into the units on a U-100 insulin syringe.
mg to mL calculator
Turn a dose in milligrams into millilitres using the concentration on the label.
Units to mL
How many units are in 1 mL on U-100 and U-40 syringes, with a conversion table.
Insulin syringe sizes
0.3, 0.5 and 1 mL syringes, their markings, and why U-40 syringes are a trap.