Free peptide and health calculators
All of Pep AI's free tools in one place. Nothing here requires an account, and none of them recommend a dose — they convert the numbers you enter and show you the arithmetic.
Reconstitution & syringe units
Convert a vial, a water volume and a dose into the exact units to draw on a U-100 or U-40 insulin syringe, with concentration and doses per vial.
- Reconstitution Calculator
- Peptide Dose Calculator
- Semaglutide Calculator
- Tirzepatide Calculator
- BPC-157 Dose Calculator
- Retatrutide Calculator
- TB-500 Calculator
- GHK-Cu Calculator
- CJC-1295 Calculator
- Ipamorelin Calculator
- MOTS-c Calculator
- Sermorelin Calculator
- Tesamorelin Calculator
- Bac Water Calculator
- Syringe Unit Calculator
- Doses Per Vial
Half-life visualisers
Chart estimated levels between doses for a given compound: what is left when the next dose lands, whether levels accumulate, how long to plateau and how long to clear.
- Peptide Half-Life
- Semaglutide Half-Life
- Tirzepatide Half-Life
- Retatrutide Half-Life
- BPC-157 Half-Life
- TB-500 Half-Life
- GHK-Cu Half-Life
- CJC-1295 Half-Life
- Ipamorelin Half-Life
- Sermorelin Half-Life
- Tesamorelin Half-Life
- IGF-1 LR3 Half-Life
- MOTS-c Half-Life
- Epithalon Half-Life
- Semax Half-Life
- Selank Half-Life
- PT-141 Half-Life
- Melanotan II Half-Life
- AOD-9604 Half-Life
- SS-31 Half-Life
- 5-Amino-1MQ Half-Life
- Thymosin α-1 Half-Life
- KPV Half-Life
- LL-37 Half-Life
- ARA-290 Half-Life
- GHRP-2 Half-Life
- GHRP-6 Half-Life
- Hexarelin Half-Life
- Cagrilintide Half-Life
- Survodutide Half-Life
- Mazdutide Half-Life
- Liraglutide Half-Life
- Dulaglutide Half-Life
Health & nutrition tools
General body-metric calculators — protein, energy expenditure, fluid, fibre, BMI, body fat and weight-loss maths. No compounds involved.
All of this, without the arithmetic.
Pep AI stores your vials and schedule, converts every dose to syringe units, rotates injection sites and keeps the history. Free on iOS and Android.
