How many mg is 2 IU of HGH?

2 IU of HGH (somatropin) equals 0.667 mg. The standard conversion is 1 IU = 0.333 mg (or 3 IU = 1 mg). To convert any IU dose to mg: divide by 3. Examples: 1 IU = 0.333 mg, 2 IU = 0.667 mg, 4 IU = 1.333 mg, 10 IU = 3.333 mg.

How many units do I draw for 2 IU of HGH?

For a 2 IU dose from a 10 IU vial reconstituted with 1 mL bacteriostatic water: concentration = 10 IU/mL. Draw volume = 2/10 = 0.2 mL = 20 units on a 100-unit (1 mL) insulin syringe. If you used 2 mL BAC water instead: concentration = 5 IU/mL, draw = 2/5 = 0.4 mL = 40 units.

What is a growth hormone calculator?

A growth hormone calculator converts your vial IU strength and bacteriostatic water volume into an exact syringe draw in units. You enter your vial strength (e.g. 10 IU), BAC water volume (e.g. 1 mL), and target dose (e.g. 2 IU), and it returns the precise unit line to draw on a 100-unit insulin syringe, plus the equivalent dose in mg.

How many doses are in a 10 IU growth hormone vial?

A 10 IU vial reconstituted with 1 mL BAC water yields: 5 doses at 2 IU each, or 3 doses at 3 IU each, or 10 doses at 1 IU each. At 2 IU daily, one 10 IU vial lasts 5 days. A 36 IU vial at 2 IU daily lasts 18 days.

What is BAC sodium chloride and can I use it to reconstitute HGH?

Bacteriostatic sodium chloride (BAC NaCl) is 0.9% sodium chloride solution preserved with benzyl alcohol. It can be used to reconstitute HGH and other peptides. Bacteriostatic water (BAC water) is 0.9% benzyl alcohol in sterile water; it is the more common choice for HGH reconstitution. Both preserve the vial for multi-dose use over 20-30 days. Plain sterile water or plain saline without benzyl alcohol is single-use only and not recommended for HGH vials.

How do you reconstitute peptides?

To reconstitute peptides: (1) Draw bacteriostatic water (BAC water) into a syringe, typically 1-2 mL for most vials. (2) Inject slowly down the inside wall of the vial, not directly onto the powder. (3) Swirl gently until fully dissolved; never shake or vortex. (4) Refrigerate at 2-8C. Use within 20-30 days. For HGH specifically: 1 mL BAC water per 10 IU vial gives a 10 IU/mL concentration.

Growth Hormone

Growth Hormone Dose Calculator

IU to mg conversion + exact syringe draw for any HGH vial. Works with 10 IU, 36 IU, and custom sizes.

Quick answer: 1 mg HGH = 3 IU. 1 IU HGH = 0.333 mg. For a 10 IU vial + 1 mL BAC water at 2 IU/day: draw to the 20-unit line on a 100-unit insulin syringe.

3 IU

per 1 mg

10 IU

Common Vial

1-2 mL

BAC Water

2 IU

Start Dose

Calculate Syringe Draw

Vial (IU)

BAC Water (mL)

Dose (IU)

20
Syringe Units
on 100-unit syringe

0.200 mL

Draw Volume

= 0.667 mg

IU to mg Reference Table

1 IU

0.333 mg

2 IU

0.667 mg

3 IU

1.000 mg

4 IU

1.333 mg

6 IU

2.000 mg

10 IU

3.333 mg

Open Full Somatropin Calculator → Compare All GH Peptides (Ipamorelin, Sermorelin, CJC-1295)

Frequently Asked

How do I calculate growth hormone dose?

Divide your vial IU by BAC water mL to get concentration. Then divide your target dose (IU) by the concentration to get draw volume (mL). Multiply by 100 for the unit line on a 100-unit syringe. The calculator above does this instantly.

How many mg is 1 IU of growth hormone?

1 IU of somatropin (recombinant HGH) equals approximately 0.333 mg. So 1 mg = 3 IU. This conversion applies to all brands of recombinant human growth hormone.

How many syringe units do I draw for 2 IU?

With a 10 IU vial + 1 mL BAC water: concentration = 10 IU/mL. For 2 IU: draw 0.2 mL = 20 units on a 100-unit syringe. With 2 mL BAC water: concentration = 5 IU/mL, draw 0.4 mL = 40 units. Use the calculator above for any combination.

How many doses are in a 10 IU vial?

At 2 IU/day: 5 doses. At 1 IU/day: 10 doses. At 3 IU/day: 3 doses. A 36 IU vial at 2 IU/day lasts 18 days.

How do I reconstitute growth hormone?

Draw 1-2 mL of bacteriostatic water into a syringe. Inject slowly down the inside wall of the vial, not directly onto the powder. Swirl gently until dissolved; never shake. Refrigerate at 2-8C. Use within 20-30 days.

What is BAC sodium chloride, and can I use it for HGH?

Bacteriostatic sodium chloride (BAC NaCl) is 0.9% sodium chloride preserved with benzyl alcohol. It works for HGH reconstitution. Standard bacteriostatic water (BAC water, 0.9% benzyl alcohol in sterile water) is more common and equally effective. Both allow multi-dose use over 20-30 days. Plain saline or plain sterile water without benzyl alcohol is single-use only.

What is the difference between HGH and GH secretagogues?

Somatropin (HGH) is synthetic recombinant growth hormone that directly replaces endogenous GH. GH secretagogues (Ipamorelin, CJC-1295, Sermorelin) stimulate the pituitary to produce more of its own GH. Secretagogues are dosed in mcg, not IU. See the comparison page for all GH-axis calculators.

Common HGH Conversions

Dose	mg equivalent	Syringe draw (10 IU + 1 mL)
1 IU HGH	0.333 mg	10 units
2 IU HGH	0.667 mg	20 units
3 IU HGH	1.000 mg	30 units
4 IU HGH	1.333 mg	40 units
6 IU HGH	2.000 mg	60 units

2 IU HGH = 0.667 mg. Rule: divide any IU dose by 3 to get mg (3 IU = 1 mg exactly).

BAC Water & Reconstitution Reference

BAC water added	Concentration	2 IU draws to
1 mL	10 IU/mL	0.20 mL (20 units)
2 mL	5 IU/mL	0.40 mL (40 units)
3 mL	3.3 IU/mL	0.60 mL (60 units)

Bacteriostatic sodium chloride (BAC NaCl) and bacteriostatic water are both used for reconstituting peptides. BAC water (0.9% benzyl alcohol in sterile water) is the standard for HGH. The benzyl alcohol preserves the vial for multi-dose use across 20-30 days. Plain sterile water or saline without benzyl alcohol has no preservative and is single-use only.

Growth Hormone Research Wiki →

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