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Units to mg, without the guesswork.
Instant, accurate conversions for compounded semaglutide, tirzepatide, and prescription peptides — with a syringe that shows exactly where to draw.
- Formula on every page
- Sourced from FDA & trials
- Runs in your browser
mg/mL
mg
Concentration is printed on your medication vial label (e.g. “2.5 mg/mL”). Use your label — pharmacies differ.
—units on a U-100 syringe
Calculators
All calculators →SEMSemaglutide units to mgConvert syringe units and mg for compounded semaglutide vials.Open →TIRTirzepatide units to mgConvert syringe units and mg for compounded tirzepatide vials.Open →mLReconstitution calculatorVial mg + water mL → exactly how many units to draw.Open →%GLP-1 weight loss estimatorWhat the major clinical trials averaged, applied to your weight.Open →
Guides
All guides →GLP-1 cost without insurance (October 2026 prices)Current self-pay prices for Zepbound and Wegovy straight from the manufacturers: Zepbound from $299/month, Wegovy pens $349/month, Wegovy pill from $149/month.→Starting a GLP-1: what to expect month by monthHow the dose schedule works for Wegovy and Zepbound, when side effects tend to show up, and how weight loss typically unfolds over the first year, based on the labels and major trials.→How to read a U-100 insulin syringe for GLP-1 and peptide dosesWhat 'units' mean on an insulin syringe, how to convert them to mL and mg, and the common mistakes that lead to dosing errors.→How many units is 0.25 mg of semaglutide? (Units-to-mg chart)The number of units for a semaglutide dose depends on your vial's concentration. Here's the chart for common strengths and how to check your own.→Semaglutide vs tirzepatide for weight loss: what the head-to-head trial foundIn SURMOUNT-5, people on tirzepatide lost an average of 20.2% of body weight vs 13.7% on semaglutide over 72 weeks. Here's what that means, how the drugs differ, and what it costs.→Wegovy HD 7.2 mg: what changed, and how many units is 7.2 mg?The FDA approved a 7.2 mg semaglutide dose (Wegovy HD) in March 2026. Who it's for, what the STEP UP trial found, and what 7.2 mg means in syringe units.→
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