Free tools for the math around your routine.
They run in your browser. Nothing you type is sent anywhere.
Reconstitution calculator
Vial amount, water added and your dose become units on a U-100 syringe, plus doses per vial.
Reconstitution calculatorSyringe units converter
Turn mL into units on a U-100 syringe, or units into mL, on a 1 mL, 0.5 mL or 0.3 mL syringe.
Syringe units converterHalf-life calculator
Plot how your own doses add up and taper with the half-life you enter.
Half-life calculatorProtein intake calculator
Daily protein in grams from your weight and a published g/kg reference value.
Protein calculatorWater intake calculator
Daily water from the EFSA and NASEM adequate intakes, in litres and glasses.
Water calculatorFiber intake calculator
Daily fibre from your calories, with the NASEM and EFSA reference values.
Fiber calculatorTDEE calculator
Daily calories from Mifflin-St Jeor resting energy and an FAO/WHO activity level.
TDEE calculatorBMI calculator
Body mass index, adult category and the matching weight range at your height.
BMI calculatorSteps to calories calculator
Walking time, distance and calories from steps, cadence and a Compendium MET value.
Steps to caloriesWeight change percentage calculator
Change since your starting weight, as a percentage and per week.
Weight change %Weight goal timeline calculator
Weeks to a goal weight at a weekly pace you set, with four-weekly milestones.
Weight goal timelineSemaglutide half-life calculator
About one week per the label, pre-filled; add your own dose and schedule.
Semaglutide half-lifeTirzepatide half-life calculator
About five days per the label, pre-filled; add your own dose and schedule.
Tirzepatide half-lifeLiraglutide half-life calculator
About 13 hours per the label, pre-filled; add your own dose and schedule.
Liraglutide half-lifeOzempic® half-life calculator
Semaglutide, about one week per the Ozempic® label; add your own dose and schedule.
Ozempic® half-lifeWegovy® half-life calculator
Semaglutide, about one week per the Wegovy® label; add your own dose and schedule.
Wegovy® half-lifeMounjaro® half-life calculator
Tirzepatide, about five days per the Mounjaro® label; add your own dose and schedule.
Mounjaro® half-lifeZepbound® half-life calculator
Tirzepatide, about five days per the Zepbound® label; add your own dose and schedule.
Zepbound® half-life
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