How accurate is a BMR calculator? Understanding the science behind the numbers
                                
                                
                                •
                                
                                
                        
                                    
                                    4 min read                                
                            
                                While online BMR calculators are widely used, studies show even the most accurate formulas can have a 10% margin of error. Understanding how accurate is a BMR calculator is crucial for setting realistic expectations and effectively planning your health and fitness journey.