BMR Calculator
Basal metabolic rate at rest.
BMR
1,649
calories per day at rest
Estimated TDEE
Introduction
Your basal metabolic rate is what your body burns just to keep you alive — heartbeat, breathing, brain. Move at all and you burn more; that’s TDEE.
What is BMR Calculator?
BMR Calculator helps you basal metabolic rate at rest. It belongs to the Calories & nutrition group within health and fitness tools on The Daily Tools. Enter your values, get an immediate result, and adjust inputs to explore different scenarios.
Definition: BMR Calculator is a free, browser-based calculator that basal metabolic rate at rest.
Formula
BMR (Mifflin-St Jeor) = 10 × weight(kg) + 6.25 × height(cm) − 5 × age + s
How it works
Formula. Mifflin-St Jeor (1990): 10·kg + 6.25·cm − 5·age + s, where s is +5 for men and −161 for women.
Why this one? Mifflin-St Jeor is the most accurate general-population estimate in peer-reviewed comparisons of the Harris-Benedict, Katch-McArdle and Cunningham equations.
Worked example
Example: Using the BMR Calculator
Inputs: Enter values relevant to calories & nutrition — for example, the measurements or amounts described in the tool fields above.
- Open the BMR Calculator and review the input fields.
- Apply the formula: BMR (Mifflin-St Jeor) = 10 × weight(kg) + 6.25 × height(cm) − 5 × age + s
- Adjust inputs to compare scenarios side by side.
You receive an immediate basal metabolic rate at rest — useful for planning and comparison.
Use cases
- Quick calories & nutrition estimates during planning or study
- Comparing scenarios by adjusting inputs in the BMR Calculator
- Private calculations when you don't want data uploaded to third-party servers
- Searching for "bmr" and needing an instant answer
- Searching for "basal metabolic rate" and needing an instant answer
Advantages
- 100% browser-based — your data never leaves your device
- No sign-up, no ads required to calculate
- Instant results with a clean, readable interface
- Works offline after the page loads
- Transparent formula shown on this page
Limitations
- Results are estimates — not professional medical, financial, legal, or religious advice
- Individual health varies — consult a healthcare provider for personal guidance
- The Daily Tools does not save your history between sessions
Frequently asked questions
- Is the BMR Calculator free to use?
- Yes. BMR Calculator on The Daily Tools is completely free, requires no account, and runs entirely in your browser.
- Does The Daily Tools store my inputs?
- No. Your numbers and text never leave your device. The Daily Tools has no backend database for calculator inputs.
- Who should use the BMR Calculator?
- Anyone who needs a quick health and fitness estimate — students, professionals, or everyday users exploring calories & nutrition questions.
- How accurate is the BMR Calculator?
- Results follow the standard formula shown on this page. They are estimates for planning — not a substitute for professional medical advice.
- Can I use the BMR Calculator on mobile?
- Yes. The Daily Tools is fully responsive and works on phones, tablets, and desktops.
Sources & references
- World Health Organization — BMI classification
- Mifflin-St Jeor equation (BMR/TDEE tools) — Standard resting metabolic rate estimate
- The Daily Tools Methodology
Key points
- BMR Calculator is a free, browser-based calculator that basal metabolic rate at rest.
- Formula: BMR (Mifflin-St Jeor) = 10 × weight(kg) + 6.25 × height(cm) − 5 × age + s
- Private, browser-only processing
- Related search: bmr
- Related search: basal metabolic rate