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Daily Calorie Calculator

Health & Body

Calorie needs from BMR and activity factor

Quick Answer

Daily Calorie Calculator: Calorie needs from BMR and activity factor. Daily Calorie Calculator uses standard health formulas to compute accurate results instantly.

Activity level

Weight loss pace

Daily calorie budget

1674 kcal

About 16 weeks to target (deficit 550 kcal/day)

BMR (Mifflin)1618 kcal
TDEE2224 kcal
Maintain2224 kcal
Daily delta-550 kcal

Budget vs maintenance

Budget1,674kcal (75.3%)Delta550kcal (24.7%)

Calculation steps

  1. 1BMR = 10×70 + 6.25×170 − 5×30 + 5 = 1618 kcal
  2. 2TDEE = BMR × 1.375 = 2224 kcal
  3. 31 kg fat ≈ 7700 kcal → daily delta = 0.5×7700÷7 = 550 kcal
  4. 4Budget = 2224 − 550 = 1674 kcal

Common food & exercise reference

ItemAmountkcal% of budget
Rice (cooked)1 bowl 100g+1167%
Chicken breast100g+1338%
Egg1 pc 50g+704%
Whole milk1 cup 250ml+1509%
Burger1 pc+55033%
Bubble tea1 cup 700ml+50030%
Cola1 bottle 500ml+22513%
Jogging 30min70kg adult-250—
Brisk walk 30min70kg adult-130—

💡 1 kg of body fat stores ~7700 kcal. Weigh yourself weekly under the same conditions; expect ±1kg water fluctuation daily. Never eat below your BMR for extended periods.

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How to Use

  1. Enter body metrics: fill height, weight, age etc. as prompted by the Daily Calorie Calculator.
  2. Read value and grade: results appear instantly with an authority-based classification.
  3. Check reference tables: confirm your range and healthy targets against the tables on this page.
  4. Back-solve your goal: adjust inputs to see what it takes to reach a target.

Key Points

  • Daily Calorie Calculator is a free online health tool — open and use, no sign-up.
  • All calculations run locally in your browser; your data never leaves the device.
  • Key capability: Calorie needs from BMR and activity factor.
  • Results come with formulas and reference tables so you can verify every number.

Formula & How It Works

Daily Calorie Calculator formula

Daily Calorie Calculator uses standard health formulas to compute accurate results instantly.

FAQ

How do I use the Daily Calorie Calculator?
Open the page and fill in the input fields — results update automatically. Calorie needs from BMR and activity factor.
Are the results accurate?
Results follow published international standards (WHO, ACE, IOM) and are for reference only.
Can this replace medical advice?
No. Always consult a qualified healthcare professional for health decisions.
Is it free? Do I need to sign up?
Completely free. No registration, login or download required.
Does it work on mobile?
Yes. The responsive design works on all devices.

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Source & Updates

Based on WHO, ACE, IOM and other published international standards. Last updated: 2025-07

Authoritative sources:

Last updated:

Formulas and content on this page are reviewed by the YiJianSuan team. For reference only — official sources prevail.

Maintained and periodically reviewed by the YiJianSuan editorial team — review process in ourEditorial Policy.

Cite this page: YiJianSuan. Daily Calorie Calculator[EB/OL]. https://www.yijiansuan.com/en/c/health/calorie

Results provided by this tool are for reference only and do not constitute professional advice.