The Nutritionist’s Guide to the Harris-Benedict TDEE Calculator

栄養学者、栄養士、ヘルスコーチなら、クライアントの正確なカロリーニーズを知ることは交渉の余地がありません。目標が脂肪減少、筋肉増加、体重維持であれ、最も効果的な食事計画は一つのことから始まります：正確なTDEE（総日常エネルギー消費量）。最も信頼できるカロリー計算方法の一つであるHarris-Benedict式がここで登場します。

この記事ではHarris-Benedict方程式の仕組みとFoodzillaの内蔵TDEEカリキュレーターと組み合わせるとなぜゲームチェンジャーなのかを説明します。

🔍 ハリス-ベネディクト式とは？

ハリス-ベネディクト式：

Harris-Benedict式は基礎代謝率（BMR）— 安静時に体が必要とするカロリー数を推定するための実証済みの方法です。TDEE計算機で活動レベルに基づいてクライアントが毎日消費するカロリーを決定するために一般的に使用されます。

👩 For women: BMR = (10 × weight in kg) + (6.25 × height in cm) – (5 × age) – 161

👨‍🦰 For men: BMR = (10 × weight in kg) + (6.25 × height in cm) – (5 × age) + 5

TDEEを計算するには、BMRに身体活動レベル（PAL）を掛けます：TDEE = BMR × PAL

Common PAL values include:

🧑‍💻 Sedentary: 1.2 (little to no exercise)

🚶‍♀️‍➡️ Light: 1.53 (light exercise 1–3 days/week)

🚴‍♂️ Moderate: 1.76 (moderate exercise 3–5 days/week)

🏋️‍♀️ Very active: 2.25 (hard exercise 6–7 days/week)

🧗‍♀️ Extra active: 2.5 (very intense training or physical job)

⚙️ Foodzilla’s Built-In TDEE & Calorie Calculator

Instead of switching between tools, Foodzilla automatically applies the Harris-Benedict formula to every client profile. This built-in calorie calculator helps you:

✅ Instantly generate calorie targets for fat loss, weight gain, or maintenance

✅ Adjust energy levels based on client goals — no manual math

✅ Get personalized macronutrient breakdowns tailored to each TDEE

1. Input your client’s age, gender, weight, height, and activity level.

2. Foodzilla calculates their BMR and TDEE using the Harris-Benedict formula.

3. Choose the client’s health goal (e.g. weight loss), and Foodzilla auto-adjusts calorie targets.

4. Macronutrient ratios are generated using dietitian-approved presets.

All of this happens in one place — no spreadsheet or extra TDEE calculator required.

🧮 例：ハリス-ベネディクト式の実践

Client: 35-year-old woman, 70 kg, 165 cm, light activity BMR: (10 × 70) + (6.25 × 165) – (5 × 35) – 161 = 1,387 kcal TDEE: 1,387 × 1.53 = 2,122 kcal Weight loss goal: Subtract 500 kcal → Target = ~1,622 kcal Macros: 30% fat, 30% protein, 40% carbs (customizable in Foodzilla)

🎯 TDEE計算機が栄養専門家に重要な理由

Accurate calorie calculation isn’t just a nice-to-have — it’s a clinical standard in evidence-based nutrition practice. Misjudging a client's energy requirements can result in stalled progress, nutrient deficiencies, or poor program adherence . Whether your goal is fat loss, lean muscle development, or general wellness, calculating TDEE is the foundation of every effective nutrition plan .

BMR tells you how many calories a person needs at rest, but TDEE tells you what they need to function in the real world — factoring in lifestyle, movement, and training. Without a reliable method like the Harris-Benedict equation, you're relying on guesswork — and in a professional practice, guesswork is risky.

Using a reliable TDEE calculator ensures your plans are:

🎯 Accurate — Grounded in physiology and tailored to individual needs

📊 Data-driven — Informed by measurable client inputs and goals

💼 プロフェッショナル — 臨床・コーチング環境で期待される基準に適合

This is where Foodzilla gives you a serious advantage :

🔍 Precision — Automatically calculates TDEE using validated BMR formulas

🔄 Adaptability — Easily adjust calorie goals as clients progress

⏱️ Efficiency — Eliminate the need for spreadsheets or third-party tools

📈 Scalability — Confidently support more clients without compromising quality

Foodzilla’s built-in TDEE calculator transforms a time-consuming task into a one-click solution — empowering you to focus on strategy, coaching, and results. Foodzilla is a complete nutrition planning platform built for busy nutrition professionals.

👨‍⚕️ トップ栄養コーチがFoodzillaを使う理由

❇️ Built-in Harris-Benedict calorie calculator

❇️ Automated macro breakdowns per client

❇️ ビジネスとともにスケールするパーソナライズされたプラン

❇️ AI-assisted meal planning and recipe generation

Whether you’re creating weight loss meal plans, hypertrophy programs, or general nutrition coaching plans, Foodzilla gives you the tools to do it faster — and better.

🚀 今日Foodzillaをお試しください

Foodzillaの機能を探索

Foodzillaの内蔵TDEEおよびカロリーカリキュレーターは、計画をよりスマートにします。スプレッドシートをスキップ。推測をスキップ。

🎯 Start using the most accurate, automated TDEE calculator built into professional-grade meal planning software.

• 栄養分析
• 栄養データベース
• 栄養目標の設定
• 設定可能な計量
• カスタム食品の作成
• カスタム計量