PepCraft
Free · No login · Local-only

Zero napkin math.
Zero guesswork.

Enter vial strength, BAC water, and dose. PepCraft renders the exact insulin-syringe draw to the graduation — and solves backwards for the water volume that lands on a clean tick.

Live syringe · U-100 · 1.0 mL2 u minor / 10 u major
020406080100UNITS50 u
Draw volumeU-100 · 1.0 mL
50units0.50 mL

Conc.

5

mg/mL

Doses / vial

4

full doses

Per dose

2.5

mg

Pull the plunger to the 50 mark — 0.50 mL of solution.

mg
mg
mL
mL
0.55.0
mg
mg
Syringe
Smart reverse reconstitution

Water volumes that make this dose land dead-on a graduation — no squinting between ticks.

Add 2.0 mL

lands on 50 u exactly

Add 2.4 mL

lands on 60 u exactly

Add 2.8 mL

lands on 70 u exactly

Save this mix

The rest of the bench

Injection Site Rotator

Eight-site body map with a pulsing next-up marker and a timestamped log, so no site gets hit twice in a row.

Open
PRO

Half-Life Curves

Plot serum decay per compound, stack protocols, and watch steady-state accumulate across weeks.

Open

28-Day Vial Freshness

Every reconstituted vial tracked from mix date, with doses remaining and beyond-use countdown.

Open