Your GLP-1 companion toolkit
GLP-1 calculators & tools
Simple, free tools for semaglutide, tirzepatide and peptide users. Convert doses, plan ahead and support your nutrition with clear, step-by-step math.
For education and planning only. These tools don’t give dose recommendations. Always follow your clinician’s and pharmacist’s instructions.
01 - Dose calculators
Dose calculators
Available
Semaglutide Dose Calculator
Convert your prescribed dose into mL and U-100 syringe units using the concentration on your vial label.
Open calculator
Available
Tirzepatide Dose Calculator
Turn your prescribed tirzepatide dose and vial concentration into mL and syringe units.
Open calculator
Coming soon
Peptide Reconstitution Calculator
Work out concentration after mixing, then convert your prescribed dose into syringe units.
Available
Units to mg Converter
Already know your syringe units? Convert them back to milligrams to double-check your entries.
Open calculator
02 - Planning
Planning tools
Available
Vial Switch Calculator
Moving to a vial with a different strength? See how the same dose changes in mL and units.
Open calculator
Available
Medication Level Estimator
Visualize how your medication level rises and falls across your weekly dosing cycle.
Open calculator
Available
Goal Weight Timeline
See when trial-average results would reach your goal weight, based on the STEP 1 and SURMOUNT-1 trials.
Open calculator
03 - Nutrition
Nutrition & wellness
Available
Protein Target Calculator
Find a daily protein target to help protect muscle while you lose weight.
Open calculator
Available
Hydration Calculator
Estimate how much water to drink each day based on your body and activity.
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Available
Fiber Calculator
Set a daily fiber goal to support digestion and comfort during treatment.
Open calculator
Available
BMI Calculator
Check your body mass index and the healthy weight range for your height, in lb/ft or kg/cm.
Open calculator
Available
Calorie Calculator
Estimate your maintenance calories and a gentle, safe deficit range using the Mifflin-St Jeor equation.
Open calculator

Keep every dose on track with Nudge
Log shots, see your medication level and follow every phase of your GLP-1 journey in one calm place.

