TRT and Testosterone Dosage Calculator

Our TRT calculator is built with the aim of providing you an easy, reliable, and accurate means of determining an appropriate starting dosage for your testosterone replacement therapy.

 The calculator considers various factors, such as your age, weight, current testosterone levels, and overall health status, which are crucial to determining an optimal dosage.

We highly recommend discussing your results with a healthcare provider who can provide personalized guidance based on your unique health profile.

If you would like to see our math and formula, scroll to the bottom.

Warning: The content on and the calculator included in this article is intended for entertainment and informational purposes only. It is not intended nor implied to be a substitute for professional medical advice. Complete list of legal testosterone clinics that can do proper testing go here.

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Typical TRT Dosage

The typical dosage of testosterone replacement therapy (TRT) varies depending on the individual’s needs and medical history. Generally, a starting dosage of 50 to 100 milligrams of testosterone per week is recommended, with adjustments made as necessary based on lab tests and symptoms.

Typical TRT Frequency

The frequency of TRT injections also varies, but most patients receive injections once or twice a week. Some doctors may prescribe a different schedule based on the individual’s needs and lifestyle.

Typical TRT Weekly Dosage

  1. Testosterone Cypionate or Enanthate (intramuscular injections):

    • Typically 50 to 200 mg every 7 to 14 days. Some men might be on a weekly injection schedule (e.g., 100 mg/week), while others might be on a bi-weekly schedule (e.g., 200 mg every two weeks).
  2. Testosterone Gel (topical):

    • Dosages can vary widely based on the specific product. Common starting doses are often in the range of 50 to 100 mg per day, but this can be adjusted based on testosterone blood levels.
  3. Testosterone Patches (transdermal):

    • Typically one patch, delivering 2 to 6 mg of testosterone, applied nightly.
  4. Testosterone Pellets (subcutaneous):

    • Typically 600 to 1200 mg every 3 to 6 months.
  5. Testosterone Buccal Tablets:

    • Typically 30 mg twice a day.

Dosage Chart 

FormulationTypical Starting DoseDosage RangeFrequencyNotes
Intramuscular Injections    
Testosterone Cypionate100 mg50-200 mgEvery 7-14 daysDosage can be adjusted based on blood testosterone levels.
Testosterone Enanthate100 mg50-200 mgEvery 7-14 daysSimilar to cypionate; frequency depends on individual response.
Topical Gels    
Generic/Testim/AndroGel50 mg20-100 mgDailyApplied to skin; dose can vary based on product and individual needs.
Transdermal Patches    
Androderm4 mg2-6 mgNightlyApplied to skin; location can vary (e.g., back, abdomen, thighs).
Subcutaneous Pellets    
Testopel600 mg600-1200 mgEvery 3-6 monthsImplanted under the skin; slow-release formulation.
Buccal Tablets    
Striant30 mg30 mgTwice dailyAdheres to gum or inner cheek; provides continuous release.

Typical TRT Dosage for Bodybuilding

Bodybuilders who use testosterone for performance enhancement typically use much higher doses than those used in TRT. Typical dosages range from 200 to 1000 milligrams per week, and some users may take even higher amounts. However, such high doses can increase the risk of side effects and are not recommended for non-medical purposes.

Differences between Types of Testosterone

There are several types of testosterone used in TRT and bodybuilding, including testosterone cypionate, and testosterone enanthate. Each type has its own characteristics in terms of half-life, speed of absorption, and potential side effects. Patients should work with their doctors to determine which type is best suited for their needs and medical history.

TRT Dosage Chart Example

here is a basic chart showing the common forms of testosterone used in testosterone replacement therapy (TRT) and their typical dosages. Please note that the actual dosage may vary depending on the individual’s needs and the specific formulation of the product. Always consult with a healthcare provider for personalized advice.

Type of TestosteroneTypical Dosage
Testosterone Cypionate50 to 200 mg per week (injections)
Testosterone Enanthate50 to 200 mg per week (injections)
Testosterone Propionate25 to 50 mg 2-3 times per week (injections)
Testosterone Undecanoate750 mg (3 mL) at initiation, at 4 weeks, and every 10 weeks thereafter (injections)
Testosterone Gel (e.g., AndroGel, Testim)5 to 10 g per day (topical)
Testosterone Patch (e.g., Androderm)2.5 to 5 mg per day (transdermal)
Testosterone Buccal Tablets (e.g., Striant)30 mg twice daily (buccal)

This chart does not include every form of testosterone available for TRT, but it covers some of the most commonly prescribed forms. The dosages listed are typical starting doses and may be adjusted by a healthcare provider based on the patient’s response to treatment, testosterone levels, and side effects. The route of administration (e.g., injection, topical, transdermal, buccal) also varies between different types of testosterone.

It’s also important to note that TRT is a long-term treatment and it generally takes several weeks to months to see noticeable changes in symptoms. Regular monitoring of testosterone levels, symptoms, and side effects is necessary during TRT to ensure the treatment is safe and effective.

20 – 25101Actual Test Levels
Tesosterone Quiz
25 – 3011 – 21<300Low1.35
30 – 351.153 – 41300 – 650Med1.15
35 – 401.24 – 61.15>650High1
40 – 451.3>71.35   
45 – 501.35     
Total Testosterone per Week = ((150mg x Age Factor) + (150mg x Activity Level Factor) + (150mg x Testosterone Result Ratio)) / 3
10 – 152     
15 – 203     
Total Injections per Week = Bodyfat Ratio
1. Concentration of the Vial
2. Size of the Vial
mg per vial = (mg concentration) x (how big is the vial)
How long Will a Vial Last (In weeks) = (mg per vial) / (Testosterone per Week)
How long Will a Vial Last (In injections) = (mg per vial) / (Testosterone per Shot)

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