mjones104 said: I just had bloodwork done after 4 months on this protocol: 1) 45mg of test cypionate 2x weekly (90mg total per week) 2) 500IU of Pregnyl 2x weekly (1,000IU total per week) My labs ... Read more >>
WhatSayYou89 said: When I first started on TRT about 4 years ago my first protocol was 140mg test cyp a week with 80 units of hcg. My blood results for this came back at 467 total t, free t 19 & ... Read more >>
magnus68 said: Is it normal to have a high free test and normal total testosterone? I am currently taking 150 mg cipionate a week. Blood test was done prior to injection so day 6. Read more >>
chris78 said: Hi there, I'm 44 now and 6yrs ago I was diagnosed with Type1-Diabetes. I changed my way of life then, lost about 30kgs, started with sports. My diet changed from typical western ... Read more >>
Gnairb5 said: Hi everyone, Just a theory I've been having. I started doing daily dosing recently and it's probably the best I've felt since staring TRT. I'm a low SHBG by the way (around 20). ... Read more >>
madman said: Relation of Testosterone, Dihydrotestosterone, and Estradiol with Changes in Outcomes Measures in the Testosterone Trials (2022) Alisa J. Stephens-Shields, PhD, Peter J. Snyder, ... Read more >>
Rogue702 said: So I heard somewhere that 100mg of testosterone isn't actually 100mg but a lower percentage is this true and how much would it be if it was cypionate in particular ? Thanks you ... Read more >>
madman said: Safety and efficacy of botulinum neurotoxin in the treatment of erectile dysfunction refractory to phosphodiesterase inhibitors: Results of a randomized controlled trial (2021) ... Read more >>
Arcane said: I've been taking enclomiphene for a while right now and it just can't compare to Clomid for me. Clomid bounces me back so quickly and my balls get huge. And clomiphene feels like ... Read more >>
jkp062814 said: Quick backstory. 33yo, 5'11" 180lbs. First experienced low T symptoms at age 27, confirmed by labs (one lab reading was as low as 196 total T with normal range 264-916 and free ... Read more >>
madman said: It puts the T's in fertility: testosterone and spermatogenesis (2022) Luke Witherspoon and Ryan Flannigan INTRODUCTION The role of testosterone in successful spermatogenesis has ... Read more >>
Thomas1212 said: Hello everyone. Thank you in advance for any advice you can give me. I have been on trt for 3 years and am looking to add HCG for fertility reasons and any possible additional ... Read more >>
Martman90 said: Hi Nelson, thanks for the add. This is my first post. Been on TRT for a few years now, thinking of stopping, quite simply due to the cost. Paying almost £140 per month with current ... Read more >>
madman said: The role of hormone therapy in urogenital health after menopause (2021) Rossella E. Nappi, Laura Cucinella, Ellis Martini, Chiara Cassani Menopause represents an endocrine challenge ... Read more >>
Predict estradiol, DHT, and free testosterone levels based on total testosterone
⚠️ Medical Disclaimer
This tool provides predictions based on statistical models and should NOT replace professional medical advice.
Always consult with your healthcare provider before making any changes to your TRT protocol.
ℹ️ Input Parameters
Normal range: 300-1000 ng/dL
Predicted Hormone Levels
Enter your total testosterone value to see predictions
Results will appear here after calculation
Understanding Your Hormones
Estradiol (E2)
A form of estrogen produced from testosterone. Important for bone health, mood, and libido.
Too high can cause side effects; too low can affect well-being.
DHT
Dihydrotestosterone is a potent androgen derived from testosterone. Affects hair growth,
prostate health, and masculinization effects.
Free Testosterone
The biologically active form of testosterone not bound to proteins.
Directly available for cellular uptake and biological effects.
Scientific Reference
Lakshman KM, Kaplan B, Travison TG, Basaria S, Knapp PE, Singh AB, LaValley MP, Mazer NA, Bhasin S. The effects of injected testosterone dose and age on the conversion of testosterone to estradiol and dihydrotestosterone in young and older men. J Clin Endocrinol Metab. 2010 Aug;95(8):3955-64.
