BMR Calculator

BMR Calculator with instant results, formula details, and practical examples.

How to Use

  • Open the BMR Calculator and keep the calculator panel visible for easy interaction.
  • Enter your values into the required fields and click Calculate to get instant results.
  • Review the main result and supporting details to understand key metrics.
  • Adjust one variable at a time to see how changes affect the outcome.
  • For more details, refer to the FAQ section.

BMR Calculator Tool

Enter your values and get instant results with clear supporting details.

Estimated BMR

1,668.75 kcal/day

  • Formula: Mifflin-St Jeor estimate
  • Use with activity multiplier for TDEE

This tool is provided for informational purposes only and does not constitute professional advice. Results may not be accurate. Please verify independently and consult a qualified professional before making decisions.

Frequently Asked Questions

What does each input field mean in the BMR Calculator?

Weight (kg): Your current body weight in kilograms. Height (cm): Your height measured in centimetres. Age: Your current age in years. Gender Factor (+5 male / -161 female): Enter +5 if male or -161 if female — this adjusts the BMR formula.

What is this calculator and how does it work?

This calculator computes your Basal Metabolic Rate - the calories your body burns at complete rest. Enter your age, gender, weight, and height, and it shows how many calories you need just to maintain body functions. For example, a 30-year-old female weighing 65kg and 165cm tall might have a BMR of around 1,400 calories. Useful for weight loss and fitness planning.

How accurate is this bmr calculator?

The bmr calculator follows standard formulas and is suitable for planning decisions.

What inputs do I need for this bmr calculator?

Enter the required values shown in the form and click calculate to get instant output.