locutus said: have recurrent episodes (with no back pain). , this is 3rd year. usually self resolves, but takes 2-3months to do so. been trying to keep it off. here is what I've researched, ... Read more >>
john.davidson25 said: Hello friends, Romans, countrymen: I've been on TRT since forever (Never went through puberty). Idiopathic Hypogonadotropic Hypogonadism. Over the years I've only been on TRT and ... Read more >>
MIP1950 said: Thank you, Vince. I watched a TED talk by a physician whose husband has dementia and that was the topic of her talk. My wife, though, is resistant to anything outside her comfort ... Read more >>
Kev101 said: I've been blessed, I haven't had ED once in my life. 6 months ago when my test was 80ng/dl for a straight year, my wife and I were out on a rare date. She wanted to "do-it" in ... Read more >>
Pablo said: Few folks there reacted quite negatively about my protocol - Nebido 1000mg once per ~10weeks. I'm new here I want to know, understand and chose the best option for me. Some mentioned ... Read more >>
Tman said: I've definitely noticed a pattern after applying T cream, within an hour my penis turtle's up. Definitely a cause and effect relationship as I've tracked this for several weeks ... Read more >>
RickB said: I was taking 200mg cypionate every Thursday morning. I got tested Thursday at absolute trough and was 1361. I did not pin that day, and instead waited until Saturday morning. I ... Read more >>
Melissa said: Thanks Nelson. I'm with Elevate MD and their provider left. She was the only one licensed in all the states. So now they cannot order testosterone cypionate for us. They're trying ... Read more >>
Phil Goodman said: Just finished the first video and plan to check out the 2nd one soon. Not really much to add other than saying your tireless efforts on this front are certainly appreciated. I ... Read more >>
BillyJ03z said: I have been researching how to stop TRT and I came across a video on Youtube which states the following: 1) Stop the Testosterone and give it time for the esters to clear the system ... Read more >>
Kev101 said: Gents- As a kid I enjoyed Dianabol and especially Anadrol. I'm not into the Grey and Black market these days as I'm 38 and top old for that BS. My doc only offers 2 oral [in the ... Read more >>
andrewBwinter said: I started 2.5 mg daily this morning, AFTER I had a mango and grapefruit salad. Cruising the interwebs it appears that was the wrong fruit salad to enjoy with Cialis. Apparently ... Read more >>
madman said: Urology Times® is celebrating its 50th anniversary in 2022. To mark the occasion, we are highlighting 50 of the top innovations and developments that have transformed the field ... Read more >>
nodoctor said: I suspect I have some level of drop in leptin sensitivity if I understand the mechanism of action right (that ozempic/semaglutide and GLP1 agonists generally are leptin sensitizers) ... 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.
