CalorieCalcTools is a set of free calculators for the numbers that sit under most fitness decisions: how many calories you burn at rest, how many you should eat to move the scale a certain way, how to split those calories into protein, carbs and fat, and where your body fat and BMI land against the standard reference ranges. Type in your numbers, get a result, and know exactly which formula produced it.
Most calorie calculators online show a number without saying where it came from, which makes it impossible to tell a genuinely useful estimate from a guess with a nice interface. Every tool on this site is built from a formula that has a name and a publication date, and the editorial standards page lists exactly which one runs behind each calculator. If you already know the Mifflin-St Jeor equation or the Navy body-fat method, you can check our arithmetic yourself in about two minutes.
CalorieCalcTools is owned and operated by Chris Terry through Encore Promotional Products, part of the Encore Editorial network of free calculator and reference sites. Chris built the calculators and reviews the formulas; the calorie, macro and body-composition guides are written by Naomi Foster. Neither of them is a doctor or a registered dietitian, and this page won't pretend otherwise: see the authors page for exactly who writes what and what gets checked before anything publishes.
Height, weight, age and body measurements are personal enough that we don't want them touching a server anywhere. Every calculator on this site runs in JavaScript inside your own browser tab; the figures you type are used once, locally, to produce a result on your screen and are never transmitted to us. Close the tab and they're gone. Full detail is on the privacy page.
A calculator here gives you a planning number built from a published formula and your own inputs, not a diagnosis and not a substitute for a doctor's exam or bloodwork. BMI can't see muscle, the Navy method assumes a fairly average body shape, and a TDEE estimate is an approximation of your metabolism, not a measurement of it. Anyone managing a medical condition, pregnant, or considering a very low calorie intake should loop in a doctor or registered dietitian before acting on anything a calculator here returns.
Advertising and a small number of affiliate links cover the cost of running this site; if you click one and buy something, we may earn a commission at no extra cost to you. That revenue has no influence over which formula a calculator uses or what number it shows. The full disclosure sits at the bottom of every page.