HomeMedicine & HealthAnatomy & PhysiologyWhat is Heart Rate?
Medicine & Health·2 min·Updated Mar 12, 2026

What is Heart Rate?

Heart Rate

Quick Answer

Heart rate is the number of times your heart beats in a minute. It reflects how hard your heart is working to pump blood throughout your body.

Overview

Heart rate is an important measure of how well your heart is functioning. It is determined by counting the beats of your heart over a specific period, usually one minute. The normal resting heart rate for adults typically ranges from 60 to 100 beats per minute, but it can vary based on factors like age, fitness level, and health conditions. When you engage in physical activity, your heart rate increases to supply more oxygen-rich blood to your muscles. For example, when you run, your heart pumps faster to meet the increased demand for energy. This process is controlled by the autonomic nervous system, which adjusts your heart rate based on your body's needs, ensuring that vital organs receive enough blood. Monitoring your heart rate is important because it can provide insights into your overall health. A consistently high or low heart rate may indicate underlying health issues, such as heart disease or thyroid problems. By understanding your heart rate and how it changes with activity, you can better manage your health and fitness goals.


Frequently Asked Questions

Several factors can influence heart rate, including age, fitness level, stress, and medications. For instance, athletes often have lower resting heart rates due to their higher cardiovascular fitness.
You can measure your heart rate by feeling your pulse at your wrist or neck and counting the beats for 15 seconds, then multiplying by four. There are also devices like heart rate monitors and smartwatches that can provide real-time readings.
During exercise, a target heart rate is usually between 50% to 85% of your maximum heart rate, which is calculated by subtracting your age from 220. Staying within this range can help optimize your workout and improve cardiovascular fitness.