TRT Calculator

Testosterone Replacement Therapy dosing calculator for estimating protocols based on body weight, current levels, and target goals.

FREE Calculator

TRT Calculator

Enter your details to estimate a starting TRT protocol

Your Protocol

Complete the form to see your TRT protocol

Dosing recommendations based on your inputs

Understanding TRT

Testosterone Replacement Therapy helps restore testosterone to healthy levels in men with hypogonadism.

Low T threshold< 300 ng/dL
Normal range300-1000 ng/dL
Optimal range600-900 ng/dL
Testosterone Esters
Cypionate

Half-life: 8 days. Most common in US. Weekly or bi-weekly.

Enanthate

Half-life: 7 days. Popular worldwide. Similar to Cypionate.

Propionate

Half-life: 2 days. Requires more frequent injections (EOD).

Medical Supervision Required

TRT must be prescribed and monitored by a qualified healthcare provider. Regular blood work is essential to monitor testosterone levels, hematocrit, PSA, and estradiol. This calculator provides estimates only - actual dosing should be determined by your physician.