The phrase "at same weight" is not correct in English.
It should be "at the same weight." You can use it when discussing comparisons or conditions that involve weight, typically in scientific or technical contexts.
Example: "The two objects will balance each other out at the same weight."
Alternatives: "at equal weight" or "with the same weight."
We were both at the same weight and were at other side of the draw from each other and ended up with bronze medals.
Your Basal Metabolic Rate (BMR is the amount of calories you need to stay at the same weight you are currently at (to figure out your BMR type in "BMR Calculator" in Google").
When the subject stands on the transparent force plates, the digital camera is triggered, photographing the soles of the feet at the moment when both feet bear approximately at the same weight.
Due to the reduced growth of fish fed the plant-based diet, the estimation of genetic parameters was done on fish from both dietary treatments measured at the same age and also on fish measured at the same weight assuming that family rankings could evolve with further growth.
I am, at best, a size 4, which is two sizes smaller than what I wore at the same weight in the 1970's.
The last time Cormier made the Olympic freestyle wrestling team, at the same weight of 96 kilograms or about 211 pounds, he felt like he had accomplished something.
A result is that after losing weight, your muscles burn 20 to 25 percent fewer calories during everyday activity and moderate aerobic exercise than those of a person who is naturally at the same weight.
But both Clarke Peters and Dominic West are seasoned stage performers and, unlike many recent pairs who have traced the warped and ruinous intimacy that develops between these two characters, they seem to punch at the same weight, theatrically speaking.
Beginning in 1985, throwers used a javelin that, at the same weight, was designed to reduce the length of the throw by 9 to 12 metres (30 to 40 feet).
