BMR Calculator

MaleFemale
years
cmft/in
cm
kglb
kg
Calculate Your BMR

Choose a formula and fill in your physical attributes to find your daily caloric baseline.

What is BMR?

Your BMR is the specific number of calories your body burns to stay alive. This happens while you are at total rest. Even if you stay in bed all day, your body is busy. It pumps blood, repairs cells, and keeps your lungs moving. These "background tasks" require constant energy.

Think of it as your body's daily operating cost. It does not include the energy you use for walking or exercise. It only covers the bare essentials for your organs. Calculating your Basal Metabolic Rate (BMR) with our resting metabolic rate calculator is like checking the idle speed of a car engine. Even when you aren't driving, the engine burns fuel just to stay running. Your body does the same.

Why Should You Care About Your BMR?

Understanding your Basal Metabolic Rate is like having a GPS system for your fitness journey. It lets you know exactly how much energy your body requires to do basic life-sustaining functions. When you know this figure, you no longer have to guess and start making informed decisions about your health and nutrition.

Eliminate Nutrition Guesswork

Say goodbye to guesswork and second-guessing whether you consume too many or too few calories. With calculator for metabolic rate, you'll be able to rely on a rock-solid foundation for your daily caloric needs. This will allow you to craft a nutrition plan that meets your specific biological needs.

Achieve Sustainable Weight Loss

When it comes to losing weight, most people fail to achieve their goals because they drastically reduce their calories. By knowing your BMR, you'll be able to reduce calories in moderation. This will allow you to achieve weight loss while maintaining high energy levels and suppressing hunger.

Optimize Muscle Growth

Muscle tissue is very expensive for your body to maintain. A growing BMR is a sign that you are building lean muscle mass. Online metabolic rate calculator will allow you to confirm whether your muscle-building routine is working.

Break Through Weight Plateaus

As you get leaner, your metabolic needs decrease. If you're not losing weight, it's likely that your BMR has changed. By recalculating this number with our metabolic weight calculator, you're able to make the necessary adjustments to stay on track.

Protect Your Vital Organs

While it's necessary to consume less than your BMR to get lean, it's also important to do so safely. Your vital organs, including your heart, lungs, and brain, rely on this baseline energy to perform at their best. Knowing this number will help you stay healthy and lean at the same time.

Personalize Your Fitness Strategy

When it comes to diet and fitness, it's easy to get caught in the cycle of using a generic plan that doesn't take into account your metabolism. Your BMR is tailored to your individual age, height, and weight. By using this information with our bmr calculator to lose weight, you're able to make your fitness strategy designed for your body type.

What Changes Your Metabolic Speed?

Metabolism is not a specific number that is set in stone and never changes. It is more like a system that has several volume knobs that turn up or down your metabolism. Although you cannot change some of these factors, knowing how they affect your bmr compute is the first step in creating a more realistic plan for health.

Muscle Mass vs. Body Fat

Muscle tissue is much more active than fat cells. This implies that muscle mass requires more energy to be maintained, even when you are at rest. Therefore, with more muscle mass, you increase your metabolic rate and burn more calories.

The Impact of Aging

With increasing age, our metabolic rate begins to slow down. This happens mostly due to the increase in fat content and the decrease in muscle mass. Nevertheless, you can avoid this decrease in metabolic rate with a high intake of proteins to preserve the existing muscle mass.

Height and Body Surface Area

Taller people have a higher metabolic rate compared to shorter people. This is due to the larger surface area of the body. In this regard, your body is required to work much harder to maintain a constant temperature. This requires more energy to be consumed daily.

Hormonal Balance

Your thyroid gland is like the master thermostat of your metabolism. The hormones it produces regulate the speed of your metabolism. When it is overactive, your BMR can soar by a huge margin. When it is underactive, it can plummet, making it very difficult for you to lose weight.

Current Health and Body Temperature

When you're sick, your body chemistry goes into overdrive. This is because your immune system requires a huge amount of energy to combat the infection. This is why, when you're sick, you feel very tired. This is because your body has exhausted all its energy.

Environmental Temperature

Extreme temperatures can actually have a huge impact on the number of calories you burn. This is because your body works overtime to maintain a safe temperature. When it is cold, for example, you may shiver to keep warm, and when it is hot, your heart works overtime to pump blood to the surface of your skin.

We're answering your most frequently asked questions to help you understand your energy needs using our basal metabolic calculator.

Everything You Need to Know About BMR

To find out your BMR, you can make use of a specialized calculator or specific mathematical formulas. The formulas require information about your age, weight, height, and gender to calculate your BMR. However, in some medical clinics, oxygen sensors are used to obtain accurate results while you're at rest.
No, it is not. BMR is just an approximate figure representing the calories burned while at rest. However, to obtain an accurate figure for your daily calories, you need to include the calories burned while performing other physical activities.
Yes, it is absolutely possible to speed up your BMR. The best way to do this is to build more lean muscles in your body through strength training exercises. This way, more calories will be burned while at rest.
Staying hydrated helps your metabolism run at its peak performance. Some studies suggest that drinking cold water can provide a tiny, temporary boost. It happens because your body uses energy to warm the water to your core temperature.
In general, it is not recommended to eat fewer calories than your BMR. It is because your body requires these calories to keep pumping and to keep your brain functioning.
While there is no normal BMR because every body is different, most adult males have a BMR in the range of 1600-2000 calories per day. Likewise, most adult women have a BMR in the range of 1400-1600 calories per day depending on their size.
Yes, it is absolutely possible to have a high BMI but a healthy BMR. This is because BMI is measured in relation to height but not in relation to muscle mass, while BMR takes muscle mass into consideration. This means that an athlete may have a high BMI because they have a lot of muscle mass but this equates to a healthy BMR.
The tool support five major basal metabolic rate calculation formula. These are: Mifflin-St Jeor, Harris-Benedict, Katch-McArdle, Revised Harris-Benedict, and Schofield.
It is usually not safe without strict medical supervision. Dropping below this level can trigger a survival response in your body. This often leads to muscle loss instead of fat loss and can disrupt your hormonal health.
Caffeine and spicy foods will give your metabolism a tiny boost, but it will not be enough to make a difference in your weight loss efforts. These foods will work best as a tiny add-on to a good diet.
No, this calculator uses metabolic rate calc which is not intended for use by children. It is designed for adults only for health and fitness purposes.
Athletes often get better results using the Katch-McArdle formula. This specific equation uses lean body mass rather than total weight. Since athletes have more muscle, this method provides a much more accurate picture of their high energy needs. Our Body bmr calculator has support for Katch-McArdle formula.

Similar Tools

BMI Calculator
Body Fat Calculator
Calorie Calculator

Disclaimer

The Basal Metabolic Rate calculator will give you an idea of how many calories your body burns at rest to carry out various functions. BMR computation can vary according to muscle mass or fat mass, genetic factors, hormones, and health conditions. This calculator is for informative purposes only. It is recommended to seek advice from a health professional or a dietician.