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31 calculators across 5 categories View all calculators
31 free calculators

Free Peptide Calculators

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31 calculators

Dosing and Timing

Allometric Dose Scaling Calculator

Convert an animal study dose in mg/kg into a human equivalent dose (HED) with the FDA body-surface-area method.
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Reconstitution

Bac Water Calculator (Peptide Reconstitution)

Enter the vial size, the BAC water you added and the dose to get the exact syringe draw, or work out how much water gives a target concentration.
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Reference and Analysis

Body Fat Percentage Calculator (US Navy)

Estimate body fat percentage from neck, waist, and hip measurements using the US Navy circumference method.
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Reconstitution

BPC-157 Calculator

Work out the syringe draw and the doses per vial for a single BPC-157 vial.
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Reconstitution

BPC-157 TB-500 Blend Calculator – Free Reconstitution Tool

Calculate exact BPC-157 and TB-500 doses from a pre-made blend vial or two separate vials. Get per-injection IU draw, daily totals and days supply per vial.
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Dosing and Timing

CJC-1295 and Ipamorelin Calculator

Work out the syringe draw and the per-peptide split for a premixed CJC-1295 and ipamorelin vial.
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Nutrition and Fitness

Creatine Loading Calculator

Work out a body-weight-scaled creatine loading dose and ongoing maintenance dose, instead of one flat number for everyone.
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Reconstitution

GLOW Blend Calculator

Work out the syringe draw and the per-peptide breakdown for a GLOW blend vial.
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Reconstitution

KLOW Blend Calculator

Calculate concentrations, syringe units, and dosing volumes for KLOW peptide blends containing GHK-Cu, BPC-157, TB-500, and KPV. Supports KLOW 80mg, 40mg presets or custom amounts.
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Cycle Planning

Multi-Peptide Weekly Schedule Builder

Build a colour-coded 7-day injection calendar for up to 4 compounds running simultaneously. Add dose, frequency and timing for each compound.
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Reconstitution

NAD+ Reconstitution Calculator

Work out the syringe draw and the doses per vial for a NAD+ vial.
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Cycle Planning

Peptide Cycle Cost Estimator

Work out how many vials each compound in a research cycle needs and what the whole cycle costs, with purity counted in.
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Dosing and Timing

Peptide Dosage Calculator

Turn a mcg/kg or flat dose into the exact units and mL on a U-100 syringe, with weekly and monthly totals.
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Dosing and Timing

Peptide Half-Life Calculator - Plan Your Dosing Interval

See how much of a peptide dose is left after a set number of hours, based on its half-life.
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Reference and Analysis

Peptide Molecular Weight Calculator

Paste an amino acid sequence to get the average molecular weight in g/mol, plus how many nanomoles are in each milligram.
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Cycle Planning

Peptide Protocol Builder

Lay out your own compounds, amounts and frequency on a weekly schedule.
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Reconstitution

Peptide Purity Calculator

Adjust a dose for the actual HPLC purity on a certificate of analysis, instead of assuming 100% active compound.
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Reconstitution

Peptide Reconstitution Volume Optimizer

Find the optimal amount of BAC water to add for the most accurate, readable syringe draw. Shows a comparison table of every common reconstitution volume.
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Reference and Analysis

Peptide Stability and Storage Estimator

Estimate how much potency a reconstituted peptide has lost based on storage temperature, days elapsed and freeze-thaw cycles. Get a clear usability verdict.
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Reconstitution

Peptide Vial Yield and Cycle Supply Calculator

Calculate exactly how many doses you get from one peptide vial and how many vials your full cycle requires. Enter vial size, dose, frequency and cycle length.
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Reference and Analysis

Polypeptide Calculator

Paste an amino acid sequence to get its molecular weight, net charge at pH 7 and composition.
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Nutrition and Fitness

Protein Intake Calculator

Work out a daily protein target and per-meal breakdown from body weight and your specific goal, not a flat multiplier.
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Dosing and Timing

PT-141 Dosage Calculator

Convert a PT-141 (bremelanotide) dose in mg into units and mL on a U-100 syringe, and see how many doses the vial holds.
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Dosing and Timing

Retatrutide Dosage Calculator

Convert a weekly retatrutide dose in mg into the units to draw on a U-100 syringe, and see how many weeks a vial lasts.
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Dosing and Timing

Semaglutide and Tirzepatide Dosage Calculator

Convert a weekly semaglutide or tirzepatide dose in mg into units and mL on a U-100 syringe, and see how many weeks a vial lasts.
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Dosing and Timing

Sermorelin Dosage Calculator

Convert a sermorelin dose in mcg into units and mL on a U-100 syringe, and see how many days the vial lasts.
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Cycle Planning

Supplement Stack Planner

Work out the daily cost, monthly cost and first reorder date for your whole supplement stack, all in one plan.
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Reconstitution

Syringe Volume Calculator (mg to Units)

Convert a dose in mg or mcg into mL and units, and compare the draw on 0.3, 0.5 and 1 mL insulin syringes.
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Reconstitution

TB-500 Calculator

Work out the syringe draw and the doses per vial for a single TB-500 vial.
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Dosing and Timing

Tesamorelin Dosage Calculator

Convert a daily tesamorelin dose in mg into units and mL on a U-100 syringe, and see how many days the vial lasts.
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Dosing and Timing

Tirzepatide Calculator

Work out the syringe draw and the doses per vial for a single tirzepatide vial.
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