Editorial team
Hammad Shahid
AI engineer and web developer
Builds and maintains FitQuota, and is responsible for every calculator, guide and piece of analysis on the site.
What I do
I work in AI engineering and web development. Most of that job is the same thing over and over: take something with a lot of moving parts, work out what it actually does, and turn it into a tool somebody can use without needing to understand the machinery underneath.
That is a useful habit to bring to fitness calculators, because a calculator is a small piece of software making a claim about your body. Somebody has to have read the paper, implemented the equation correctly, and been honest about what it cannot see. Most of the time nobody tells you whether any of that happened.
Why I built this
I train five days a week, and I ran into the problem from the other side first. Every calculator asks how active you are and offers “moderate exercise 3 to 5 days” and “hard exercise 6 to 7 days” as adjacent options. Five days a week sits exactly on that line.
At 24, 180 cm and 67 kg, the first option gives me 2,607 kcal and the second gives me 2,902. Same body, same week of training, one dropdown, 294 kcal apart. To move my target that far by any other route I would have to gain 19 kg, or grow 30 cm, or age 38 years. Not one calculator I tried said so, and none of them showed the multiplier it had applied, so there was no way to see that the guess I was least sure about was the one that mattered most.
That is not a hard problem. It is just one nobody had bothered to fix, because a clean number looks more convincing than an honest one. So the site does the opposite everywhere: it shows the arithmetic, names the equation, cites the paper, and says out loud what the method cannot tell you. The analysis of why calculators disagree exists because that was the question that started it.
Training also keeps the tools honest in a way reading alone would not. A number that is technically correct and useless in a gym is still a bad answer, which is why the plate calculator lets you switch off the plate sizes your gym does not own.
What I am not
I am not a doctor, a dietitian, a nutritionist or an exercise physiologist, and FitQuota does not pretend otherwise. Nothing on this site is medically reviewed.
That sets a clear boundary around what this site is good for. It implements published equations accurately, shows the arithmetic, cites the papers the equations came from, and states what each method cannot see. It does not interpret your health, and it should not be the last thing you read before making a decision that matters. Anything that depends on your own medical situation belongs with a professional who can ask you questions.
How I work
Content on this site is drafted with AI assistance, then checked and published by me. That is worth saying plainly, because the reason to trust it is not who typed the first draft but what happens after.
Every citation on this site was checked against PubMed before it was used. Worked examples are generated by the same code that runs the calculators, so a guide cannot contradict the tool beside it. Published error margins are stated rather than hidden, and dates only move when the content actually changes.
The full set of rules is written down in the editorial policy, including the things this site will not do.
Found something wrong?
Errors in a formula, a figure or a citation are worth more to me than compliments. Every calculator lists its sources, so a disagreement can be settled by reading the paper. Get in touch and it gets fixed.