dosiiPEPTIDE CALCULATOR + RESOURCES

PEPTIDE MATH, MADE CLEAR

See your calculation.
Keep it for next time.

Enter the peptide amounts from your own instructions. See the result in mL and syringe units, then save the calculation on your iPhone.

Get Dosii on theApp Store · $9.99 once

$9.99 once. No subscription.

No account. Saved calculations stay on your iPhone.

Dosii calculator showing an entered calculation in syringe units and mL
Your inputs. Your calculation.
Illustration of a vial, water droplet and measurement containers

EXPLANATIONS INCLUDED

mg. mL. Units.
Different numbers.
Different jobs.

mg and mcg describe mass. mL describes liquid volume. A U-100 syringe scale translates volume into markings; it does not tell you the mass without a concentration.

A preview from the included Resources library.

FAMILIAR QUESTIONS. THOUGHTFUL EXPLANATIONS.

Questions about peptides?
Find an explanation.

Understand the terms behind your calculation. Read illustrated explanations of units, equipment, mixing and storage, even offline.

The basics

mg, mL, units. What’s the difference?

Included in the app

Storage

Does the water’s expiry cover the prepared vial?

Included in the app

Your numbers

Why can the same mark mean a different amount?

Included in the app

Your numbers

What changes when I add more liquid?

Included in the app

The basics

Does a bigger vial contain more product?

Included in the app

UNDERSTAND. CALCULATE. KEEP.

More than
the number.

Enter values from your own instructions. See syringe units and mL together, then follow the arithmetic behind the result.

  • Compare your inputs. See how water volume changes the calculated draw while your entered dose stays the same.
  • Keep your setups close. Name, find and restore saved calculations on this device.
  • Make room for understanding. Open the included resources whenever a term raises a question.
Dosii showing the arithmetic behind a calculationDosii saved calculations with named setups

ONE APP. ONE PURCHASE.

Calculate. Save.
Use it again.

A peptide calculator, saved calculations and illustrated explanations.
$9.99 once, with no subscription.

Get Dosii on theApp Store · $9.99 once

Calculations are stored locally on your device. No account or cloud sync.

Dosii explains terminology and calculates from the values you enter. It does not choose a dose or verify a product. Follow product-specific instructions and guidance from a qualified healthcare professional.