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The operating system for peptides.

Without the guesswork.

33 free calculators. 100+ research-grade peptide profiles. Numbers you can defend.

Browse all 33 tools →Explore directory

Reverse BAC mode
GLP-1 escalator
Peptide blends
Vial life + taper

GLP-1 Calculators Hub

Every GLP-1 dosing tool in one place.

01TOOLS

33 tools, zero friction

Open in the browser, get an answer, get out.

Reconstitution

Exact units to draw from any vial concentration.

GLP-1 Escalator

Titration tables for semaglutide, tirzepatide (Wegovy®, Mounjaro®, Zepbound®), retatrutide, and orforglipron (Foundayo™ oral).

Peptide Blend

Multi-compound vial math, on a single syringe.

Unit Converter

Switch between mcg, mg, IU, and mL with no rounding error.

Vial Life

Track stability based on reconstitution date and storage.

Taper Schedule

Step dosages down on a defined gradient.

Half-Life Visualizer

Model serum accumulation across repeated injections.

TDEE Calculator

Estimate maintenance calories and macros from your stats and activity level.

Medication Storage

Predict peptide stability days remaining based on storage temperature and reconstitution state.

PK Concentration Curve

Plot predicted plasma concentration, peak, trough, and steady state for any dosing regimen.

Intranasal Spray

Convert peptide concentration to per-spray dose, sprays per dose, and doses per bottle.

Injection Site Rotation Map

Visual body map to track and rotate subQ injection sites, with heat-map recency overlay.

BAC Water Volume Optimizer

Reconstitution math in reverse. Find BAC water volumes that land your draw on a clean syringe mark.

Fasting Window Calculator

Plan pre-dose and post-dose fasting windows for GH-axis peptides.

GH Stack Dose Splitter

Two peptides, one vial: compute per-draw delivery for each compound and spot ratio mismatches.

Retatrutide Titration Calculator

TRIUMPH-4 titration math for compounded retatrutide, week by week.

Supply Cost Calculator

Enter the vial cost; see exact price per dose, per week, and per cycle.

Peptide Sequence Properties

Molecular weight, pI, net charge, GRAVY, and 280 nm extinction from a sequence.

Ideal Weight Calculator

Devine, Robinson, Miller, and Hamwi estimates plus the healthy BMI range.

Body Fat Estimator

US Navy circumference method plus a BMI-based Deurenberg estimate.

GLP-1 Vial Transition

Hold the same weekly mg dose while switching compounded vial concentrations.

GLP-1 Protein Target

Daily protein ranges to help preserve lean mass during GLP-1 weight loss.

GLP-1 Water Intake

Bodyweight-based daily hydration estimate for GLP-1 users.

GLP-1 Cost per Pound

Total spent divided by weight lost, as cost per pound and per kilogram.

Free Testosterone Calculator

Free and bioavailable testosterone via the Vermeulen equation, matched to ISSAM.

Reconstitution Chart

Printable table mapping doses to syringe units.

HGH / IU Dosage

Convert HGH IU strength to syringe units.

Reverse GLP-1 Dose

Convert units back to mg/mcg for compounded vials.

GLP-1 Fiber Intake

Daily fiber target while on GLP-1 therapy.

GLP-1 Pen Clicks

Convert mg dose to mechanical pen clicks.

GLP-1 Split-Dose

Divide a weekly dose into smaller administrations.

Peptide Cycle Planner

Compute total mg needed or supply duration.

Protocol Cost & Supply

Combined cost and supply timeline planner.

02REFERENCE

Trending compounds

Research-grade summaries with citations, dosages, and side effects.

Explore directory

BPC-157

Recovery

C62H98N16O22

The recovery king; speeds up tendon, muscle, and gut healing for faster training turnarounds.

Half-life~ 4 h

TB-500

Recovery

C38H68N10O14

Boosts tissue repair and reduces inflammation, perfect for injury-prone athletes.

Half-life~ 2 days

Ipamorelin

Performance

C38H49N9O5

Gentle GH releaser that amps muscle growth and fat loss without the harsh sides.

Half-life~ 2 h

03WHY DOSEVAULT

Start in the browser. Take it further.

The calculator suite is free, no account required, and covers the math every serious protocol needs. The native app (coming soon) extends it with a zero-knowledge vault: your data is encrypted on your device, synced across platforms, and never readable by our servers.

Free calculators on every device, no login
Native logbook (coming soon): end-to-end encrypted, keyed by a recovery phrase you hold
No iOS lock-in: iOS, macOS, Android, and web all first-class
Research-grade compound profiles with primary-source citations

Open the tool suite