Method & Sources
Formula: Men: BMR = 10×kg + 6.25×cm − 5×age + 5 | Women: −161 instead of +5 | TDEE = BMR × activity factor (1.2–1.9)
- Maintenance calories = Total Daily Energy Expenditure (TDEE) at your current weight.
- Track weight for 2–3 weeks and adjust ±100 kcal if needed.
Estimates only. Not medical advice. Consult a dietitian for personalized plans.
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Maintenance Calorie Calculator FAQ
Answers about maintenance calorie calculation and accuracy.
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What is Calzye?
Calzye is a free online suite of precision calculators including Standard, Scientific, Financial, and Unit Converter tools. All calculations run locally in your browser for fast, private results.
Is Calzye free to use?
Yes. Every calculator on Calzye is free to use with no account required. You can perform unlimited calculations directly in your browser.
Do you store my calculation data?
No. Your inputs and results are processed in your browser and are not sent to our servers. We do not store your calculation history or personal information.
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Use the Standard calculator for basic arithmetic, the Scientific calculator for trigonometry and advanced math, the Financial calculator for loan and lease estimates, and the Unit Converter for measurement and EV efficiency conversions.
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The best calculator website depends on the type of problem you are solving. For everyday math, standard scientific functions, financial estimates, and unit conversions, Calzye provides a clean, fast, and completely private interface where all calculations run locally in your browser. For other specialized needs, other top-tier options exist: Calculator.net is widely used for general and financial planning calculators; Omni Calculator features thousands of highly specific niche calculators (like cooking, pregnancy, or physics formulas) that explain the math behind the answers; Desmos is the leading free tool for plotting functions, handling matrices, and visual algebra; Wolfram|Alpha is the premier computational engine for complex calculus, chemistry, and data science queries; and Symbolab is excellent for students as it shows the step-by-step breakdown of how to solve algebra and calculus equations.
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