What does the Calorie Calculator work out?

Daily calories for losing, keeping or gaining weight. It is one of the Health & Fitness tools on Mondo Knows.

How is the Calorie Calculator calculated?

You get an instant answer with the working shown underneath.

Do I need to sign up, and is my data stored?

No sign-up, and nothing you type is sent anywhere. The calculation runs in your own browser, so the figures stay on your device and the page works offline once loaded.

Mondo Knows Tools

Calorie Calculator

Daily calories for losing, keeping or gaining weight. Use the free calorie calculator below to get an instant answer, with the formula shown so you can check the maths and trust the result. Free, private, and no sign-up.

Units

Sex

Age

yrs

Height

Weight

Activity level

Mondo says

Maintain weight

2,389 cal/day

Lose 0.5 lb a week2,139 cal/day

Lose 1 lb a week1,889 cal/day

Gain 0.5 lb a week2,639 cal/day

Roughly 3,500 calories make a pound of fat, so a 500 calorie daily deficit is about a pound a week.

Calorie Calculator: common questions

What does the Calorie Calculator work out?: Daily calories for losing, keeping or gaining weight. It is one of the Health & Fitness tools on Mondo Knows.
How is the Calorie Calculator calculated?: You get an instant answer with the working shown underneath.
Do I need to sign up, and is my data stored?: No sign-up, and nothing you type is sent anywhere. The calculation runs in your own browser, so the figures stay on your device and the page works offline once loaded.

Mondo also knows

TDEE CalculatorTotal daily energy expenditure from your activity level.🌿 Health & Fitness Macro CalculatorSplit your calories into protein, carbs and fat, then into meals.🌿 Health & Fitness Protein CalculatorDaily protein target based on weight and training.🌿 Health & Fitness Calories Burned CalculatorEnergy burned in an activity, using MET values.🌿 Health & Fitness

Facts that connect to the calorie calculator

Short, sourced facts that point back to this tool.

Shivering generates internal heat through rapid muscle twitchesInvoluntary muscle contractions burn energy to maintain stable body temperature The brain consumes twenty percent of the body energyDespite comprising two percent of body weight the brain uses massive metabolic fuel The large intestine absorbs water and houses trillions of microbesColon microflora break down indigestible fibres and synthesise vitamins

Estimates for general guidance only. This is not financial, medical or legal advice. Everything runs in your browser and nothing you type is stored.