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Free calculators
General math on the numbers you enter — no defaults, no suggested doses. Save your own values in the app so you never redo it.
Reconstitution & units
- Reconstitution calculatorConvert your vial amount, water and dose into concentration, syringe units and doses per compound — a free unit converter with no drug database or defaults.
- Dose to syringe units converterTurn a dose you've already decided on into syringe units. Enter your vial, water and dose in mg or mcg — a plain unit converter, not a dosing guide.
- Bacteriostatic water calculatorWork out how much bacteriostatic water puts your chosen dose at a chosen syringe mark. Enter your vial, dose and target units — no defaults, no drug list.
- Insulin syringe unit converterConvert between milliliters and units on a U-100 insulin syringe in either direction. A plain arithmetic converter — no vial, no compound, no drug data.
- Peptide vial supply calculatorWork out how many doses a vial holds and how many days it will last, from the vial amount, your dose and how often you dose — arithmetic, not a protocol.
Health tools
- Daily protein calculatorType your body weight and pick a general or active range to see a daily protein target in grams, backed by published nutrition research.
- GLP-1 protein calculatorA protein calculator with a range for active weight reduction on GLP-1 medicines, cited to a 2025 joint advisory from four U.S. medical societies.
- Daily calorie (TDEE) calculatorEstimate total daily energy expenditure from your age, weight, height and activity level using the Mifflin-St Jeor equation and CDC activity guidance.
- Water intake calculatorTurn your body weight into a daily water range using a common milliliters-per-kilogram rule of thumb, with National Academies figures for context.
- BMI calculatorCalculate adult BMI from your height and weight and see where it falls in the CDC's four BMI categories, with CDC's own caveats about what BMI misses.
- Body fat calculatorEstimate body fat percentage from neck, waist and height — plus hip, for women — using the U.S. Navy circumference method and its published accuracy.
- Fiber intake calculatorTurn your daily calories into a fiber target using the 14-gram-per-1,000-calorie Adequate Intake that most U.S. adults currently fall short of.
- Weight loss percentage calculatorCalculate the percentage of body weight you've lost between two weigh-ins — the measure researchers use instead of raw pounds or kilograms.
- Goal weight timeline calculatorEstimate how many weeks a steady weekly rate would take to close the gap between your current weight and your goal weight, at a pace you set.
Track it in Peptade.
Doses, schedules, cycles, injection sites and supply — one app, free to download on iOS and Android.