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Body Fat Calculator

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{"type":"raw-html","preset":"raw-html","params":"{\"blockCode\":\"c4a64\",\"name\":\"\",\"rawValue\":\"<style>\\n    \\/* body {\\n            font-family: Arial, sans-serif;\\n            background-color: #f0f0f5;\\n            margin: 0;\\n            padding: 0;\\n        } *\\/\\n\\n    .mnfst-bfc {\\n        max-width: 500px;\\n        margin: 50px auto;\\n        padding: 20px;\\n        background-color: white;\\n        box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);\\n        border-radius: 10px;\\n    }\\n\\n    .mnfst-bfc h1 {\\n        text-align: center;\\n        color: #333;\\n    }\\n\\n    .mnfst-bfc label {\\n        display: block;\\n        margin-bottom: 8px;\\n        color: #555;\\n    }\\n\\n    .mnfst-bfc input,\\n    .mnfst-bfc select {\\n        width: 100%;\\n        padding: 10px;\\n        margin-bottom: 15px;\\n        border: 1px solid #ccc;\\n        border-radius: 5px;\\n    }\\n\\n    .mnfst-bfc button {\\n        width: 100%;\\n        padding: 12px;\\n        background-color: #28a745;\\n        color: white;\\n        border: none;\\n        border-radius: 5px;\\n        cursor: pointer;\\n    }\\n\\n    .mnfst-bfc button:hover {\\n        background-color: #218838;\\n    }\\n\\n    .mnfst-bfc .results {\\n        margin-top: 20px;\\n    }\\n\\n    .mnfst-bfc .result-item {\\n        margin-bottom: 10px;\\n    }\\n\\n    .mnfst-bfc .result-label {\\n        font-weight: bold;\\n        color: #333;\\n    }\\n<\\/style>\\n\\n<div class=\\\"mnfst-bfc\\\">\\n    <h1>Body Fat Calculator<\\/h1>\\n\\n    <label for=\\\"gender\\\">Sex:<\\/label>\\n    <select id=\\\"gender\\\" onchange=\\\"toggleHipField()\\\">\\n        <option value=\\\"male\\\">b\\u0103rbat<\\/option>\\n        <option value=\\\"female\\\">femeie<\\/option>\\n    <\\/select>\\n\\n    <label for=\\\"age\\\">V\\u00e2rsta:<\\/label>\\n    <input type=\\\"number\\\" id=\\\"age\\\" placeholder=\\\"introdu v\\u00e2rsta\\\" required>\\n\\n    <label for=\\\"weight\\\">Greutate (kg):<\\/label>\\n    <input type=\\\"number\\\" id=\\\"weight\\\" placeholder=\\\"introdu greutatea\\\" required>\\n\\n    <label for=\\\"height\\\">\\u00cen\\u0103l\\u021bimea (cm):<\\/label>\\n    <input type=\\\"number\\\" id=\\\"height\\\" placeholder=\\\"introdu \\u00een\\u0103l\\u021bimea\\\" required>\\n\\n    <label for=\\\"neck\\\">G\\u00e2t (cm):<\\/label>\\n    <input type=\\\"number\\\" id=\\\"neck\\\" placeholder=\\\"introdu circumferin\\u021ba g\\u00e2tului\\\" required>\\n\\n    <label for=\\\"waist\\\">Talie (cm):<\\/label>\\n    <input type=\\\"number\\\" id=\\\"waist\\\" placeholder=\\\"introdu circumferin\\u021ba taliei\\\" required>\\n\\n    <div id=\\\"hipField\\\" style=\\\"display:none;\\\">\\n        <label for=\\\"hip\\\">\\u0218olduri (cm):<\\/label>\\n        <input type=\\\"number\\\" id=\\\"hip\\\" placeholder=\\\"introdu circumferin\\u021ba \\u0219oldurilor\\\">\\n    <\\/div>\\n\\n    <button onclick=\\\"calculateBodyFat()\\\">Calculeaz\\u0103<\\/button>\\n\\n    <div class=\\\"results\\\" id=\\\"results\\\"><\\/div>\\n<\\/div>\\n\\n<script>\\n    function toggleHipField() {\\n        const gender = document.getElementById('gender').value;\\n        const hipField = document.getElementById('hipField');\\n        if (gender === 'female') {\\n            hipField.style.display = 'block';\\n        } else {\\n            hipField.style.display = 'none';\\n        }\\n    }\\n\\n    function calculateBodyFat() {\\n        const gender = document.getElementById('gender').value;\\n        const age = parseFloat(document.getElementById('age').value);\\n        const weight = parseFloat(document.getElementById('weight').value);\\n        const height = parseFloat(document.getElementById('height').value);\\n        const neck = parseFloat(document.getElementById('neck').value);\\n        const waist = parseFloat(document.getElementById('waist').value);\\n        let hip = null;\\n\\n        if (gender === 'female') {\\n            hip = parseFloat(document.getElementById('hip').value);\\n        }\\n\\n        \\/\\/ U.S. Navy Method Calculation\\n        let bodyFatPercentage;\\n        if (gender === 'male') {\\n            bodyFatPercentage = 495 \\/ (1.0324 - 0.19077 * Math.log10(waist - neck) + 0.15456 * Math.log10(height)) -\\n                450;\\n        } else {\\n            bodyFatPercentage = 495 \\/ (1.29579 - 0.35004 * Math.log10(waist + hip - neck) + 0.22100 * Math.log10(\\n                height)) - 450;\\n        }\\n\\n        const bodyFatMass = (bodyFatPercentage \\/ 100) * weight;\\n        const leanBodyMass = weight - bodyFatMass;\\n\\n        \\/\\/ Jackson & Pollock Ideal Body Fat Calculation\\n        let idealBodyFat = idealBodyFatCalc(age, gender);\\n\\n        const bodyFatToLose = Math.max(0, bodyFatMass - (idealBodyFat \\/ 100) * weight);\\n\\n        \\/\\/ BMI Method for Body Fat (approximation)\\n        const bmi = weight \\/ Math.pow(height \\/ 100, 2);\\n        const bodyFatBmiMethod = (1.2 * bmi) + (0.23 * age) - (10.8 * (gender === 'male' ? 1 : 0)) - 5.4;\\n\\n        \\/\\/ Body Fat Category\\n        let bodyFatCategory;\\n        if (gender === 'male') {\\n            if (bodyFatPercentage < 6) {\\n                bodyFatCategory = 'Essential fat';\\n            } else if (bodyFatPercentage < 14) {\\n                bodyFatCategory = 'Athletes';\\n            } else if (bodyFatPercentage < 18) {\\n                bodyFatCategory = 'Fitness';\\n            } else if (bodyFatPercentage < 25) {\\n                bodyFatCategory = 'Average';\\n            } else {\\n                bodyFatCategory = 'Obese';\\n            }\\n        } else {\\n            if (bodyFatPercentage < 14) {\\n                bodyFatCategory = 'Essential fat';\\n            } else if (bodyFatPercentage < 21) {\\n                bodyFatCategory = 'Athletes';\\n            } else if (bodyFatPercentage < 25) {\\n                bodyFatCategory = 'Fitness';\\n            } else if (bodyFatPercentage < 32) {\\n                bodyFatCategory = 'Average';\\n            } else {\\n                bodyFatCategory = 'Obese';\\n            }\\n        }\\n\\n        \\/\\/ Display results\\n        const results = document.getElementById('results');\\n        results.innerHTML = `\\n            <div class=\\\"result-item\\\"><span class=\\\"result-label\\\">Body Fat (%):<\\/span> ${bodyFatPercentage.toFixed(2)}%<\\/div>\\n            <div class=\\\"result-item\\\"><span class=\\\"result-label\\\">Body Fat Category:<\\/span> ${bodyFatCategory}<\\/div>\\n            <div class=\\\"result-item\\\"><span class=\\\"result-label\\\">Body Fat Mass (kg):<\\/span> ${bodyFatMass.toFixed(2)} kg<\\/div>\\n            <div class=\\\"result-item\\\"><span class=\\\"result-label\\\">Lean Body Mass (kg):<\\/span> ${leanBodyMass.toFixed(2)} kg<\\/div>\\n            <div class=\\\"result-item\\\"><span class=\\\"result-label\\\">Ideal Body Fat for Given Age (%):<\\/span> ${idealBodyFat.toFixed(2)}%<\\/div>\\n            <div class=\\\"result-item\\\"><span class=\\\"result-label\\\">Body Fat to Lose to Reach Ideal (kg):<\\/span> ${bodyFatToLose.toFixed(2)} kg<\\/div>\\n            <div class=\\\"result-item\\\"><span class=\\\"result-label\\\">Body Fat (%):<\\/span> (BMI method): ${bodyFatBmiMethod.toFixed(2)}%<\\/div>\\n        `;\\n    }\\n\\n    function idealBodyFatCalc(age, gender) {\\n        if (gender === \\\"male\\\") {\\n            if (age <= 20) return 8.5;\\n            else if (age <= 25) return 10.5;\\n            else if (age <= 30) return 12.7;\\n            else if (age <= 35) return 13.7;\\n            else if (age <= 40) return 15.3;\\n            else if (age <= 45) return 16.4;\\n            else if (age <= 50) return 18.9;\\n            else if (age <= 55) return 20.9;\\n            else return 22; \\/\\/ \\u041c\\u043e\\u0436\\u043d\\u043e \\u0443\\u043a\\u0430\\u0437\\u0430\\u0442\\u044c \\u0437\\u043d\\u0430\\u0447\\u0435\\u043d\\u0438\\u0435 \\u0434\\u043b\\u044f \\u0432\\u043e\\u0437\\u0440\\u0430\\u0441\\u0442\\u0430 \\u0432\\u044b\\u0448\\u0435 55\\n        } else if (gender === \\\"female\\\") {\\n            if (age <= 20) return 17.7;\\n            else if (age <= 25) return 18.4;\\n            else if (age <= 30) return 19.3;\\n            else if (age <= 35) return 21.5;\\n            else if (age <= 40) return 22.2;\\n            else if (age <= 45) return 22.9;\\n            else if (age <= 50) return 25.2;\\n            else if (age <= 55) return 26.3;\\n            else return 28; \\/\\/ \\u041c\\u043e\\u0436\\u043d\\u043e \\u0443\\u043a\\u0430\\u0437\\u0430\\u0442\\u044c \\u0437\\u043d\\u0430\\u0447\\u0435\\u043d\\u0438\\u0435 \\u0434\\u043b\\u044f \\u0432\\u043e\\u0437\\u0440\\u0430\\u0441\\u0442\\u0430 \\u0432\\u044b\\u0448\\u0435 55\\n        }\\n        return null; \\/\\/ \\u0415\\u0441\\u043b\\u0438 \\u043f\\u043e\\u043b \\u043d\\u0435 \\u0443\\u043a\\u0430\\u0437\\u0430\\u043d, \\u0432\\u043e\\u0437\\u0432\\u0440\\u0430\\u0449\\u0430\\u0435\\u043c null\\n    }\\n<\\/script>\",\"replaceVariables\":\"\",\"blockPaddingTop\":0,\"blockPaddingBottom\":0,\"blockBackgroundColor\":\"\",\"blockForegroundColor\":\"\",\"blockLinkColor\":\"\",\"blockFont\":null,\"blockFontHeader\":null,\"blockCssClass\":\"\",\"blockCover\":null,\"isModal\":null,\"blockClickAction\":\"\",\"blockFlex\":0}","css":null,"isRedesign":false}
<style>
    /* body {
            font-family: Arial, sans-serif;
            background-color: #f0f0f5;
            margin: 0;
            padding: 0;
        } */

    .mnfst-bfc {
        max-width: 500px;
        margin: 50px auto;
        padding: 20px;
        background-color: white;
        box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
        border-radius: 10px;
    }

    .mnfst-bfc h1 {
        text-align: center;
        color: #333;
    }

    .mnfst-bfc label {
        display: block;
        margin-bottom: 8px;
        color: #555;
    }

    .mnfst-bfc input,
    .mnfst-bfc select {
        width: 100%;
        padding: 10px;
        margin-bottom: 15px;
        border: 1px solid #ccc;
        border-radius: 5px;
    }

    .mnfst-bfc button {
        width: 100%;
        padding: 12px;
        background-color: #28a745;
        color: white;
        border: none;
        border-radius: 5px;
        cursor: pointer;
    }

    .mnfst-bfc button:hover {
        background-color: #218838;
    }

    .mnfst-bfc .results {
        margin-top: 20px;
    }

    .mnfst-bfc .result-item {
        margin-bottom: 10px;
    }

    .mnfst-bfc .result-label {
        font-weight: bold;
        color: #333;
    }
</style>

<div class="mnfst-bfc">
    <h1>Body Fat Calculator</h1>

    <label for="gender">Sex:</label>
    <select id="gender" onchange="toggleHipField()">
        <option value="male">bărbat</option>
        <option value="female">femeie</option>
    </select>

    <label for="age">Vârsta:</label>
    <input type="number" id="age" placeholder="introdu vârsta" required>

    <label for="weight">Greutate (kg):</label>
    <input type="number" id="weight" placeholder="introdu greutatea" required>

    <label for="height">Înălțimea (cm):</label>
    <input type="number" id="height" placeholder="introdu înălțimea" required>

    <label for="neck">Gât (cm):</label>
    <input type="number" id="neck" placeholder="introdu circumferința gâtului" required>

    <label for="waist">Talie (cm):</label>
    <input type="number" id="waist" placeholder="introdu circumferința taliei" required>

    <div id="hipField" style="display:none;">
        <label for="hip">Șolduri (cm):</label>
        <input type="number" id="hip" placeholder="introdu circumferința șoldurilor">
    </div>

    <button onclick="calculateBodyFat()">Calculează</button>

    <div class="results" id="results"></div>
</div>

<script>
    function toggleHipField() {
        const gender = document.getElementById('gender').value;
        const hipField = document.getElementById('hipField');
        if (gender === 'female') {
            hipField.style.display = 'block';
        } else {
            hipField.style.display = 'none';
        }
    }

    function calculateBodyFat() {
        const gender = document.getElementById('gender').value;
        const age = parseFloat(document.getElementById('age').value);
        const weight = parseFloat(document.getElementById('weight').value);
        const height = parseFloat(document.getElementById('height').value);
        const neck = parseFloat(document.getElementById('neck').value);
        const waist = parseFloat(document.getElementById('waist').value);
        let hip = null;

        if (gender === 'female') {
            hip = parseFloat(document.getElementById('hip').value);
        }

        // U.S. Navy Method Calculation
        let bodyFatPercentage;
        if (gender === 'male') {
            bodyFatPercentage = 495 / (1.0324 - 0.19077 * Math.log10(waist - neck) + 0.15456 * Math.log10(height)) -
                450;
        } else {
            bodyFatPercentage = 495 / (1.29579 - 0.35004 * Math.log10(waist + hip - neck) + 0.22100 * Math.log10(
                height)) - 450;
        }

        const bodyFatMass = (bodyFatPercentage / 100) * weight;
        const leanBodyMass = weight - bodyFatMass;

        // Jackson & Pollock Ideal Body Fat Calculation
        let idealBodyFat = idealBodyFatCalc(age, gender);

        const bodyFatToLose = Math.max(0, bodyFatMass - (idealBodyFat / 100) * weight);

        // BMI Method for Body Fat (approximation)
        const bmi = weight / Math.pow(height / 100, 2);
        const bodyFatBmiMethod = (1.2 * bmi) + (0.23 * age) - (10.8 * (gender === 'male' ? 1 : 0)) - 5.4;

        // Body Fat Category
        let bodyFatCategory;
        if (gender === 'male') {
            if (bodyFatPercentage < 6) {
                bodyFatCategory = 'Essential fat';
            } else if (bodyFatPercentage < 14) {
                bodyFatCategory = 'Athletes';
            } else if (bodyFatPercentage < 18) {
                bodyFatCategory = 'Fitness';
            } else if (bodyFatPercentage < 25) {
                bodyFatCategory = 'Average';
            } else {
                bodyFatCategory = 'Obese';
            }
        } else {
            if (bodyFatPercentage < 14) {
                bodyFatCategory = 'Essential fat';
            } else if (bodyFatPercentage < 21) {
                bodyFatCategory = 'Athletes';
            } else if (bodyFatPercentage < 25) {
                bodyFatCategory = 'Fitness';
            } else if (bodyFatPercentage < 32) {
                bodyFatCategory = 'Average';
            } else {
                bodyFatCategory = 'Obese';
            }
        }

        // Display results
        const results = document.getElementById('results');
        results.innerHTML = `
            <div class="result-item"><span class="result-label">Body Fat (%):</span> ${bodyFatPercentage.toFixed(2)}%</div>
            <div class="result-item"><span class="result-label">Body Fat Category:</span> ${bodyFatCategory}</div>
            <div class="result-item"><span class="result-label">Body Fat Mass (kg):</span> ${bodyFatMass.toFixed(2)} kg</div>
            <div class="result-item"><span class="result-label">Lean Body Mass (kg):</span> ${leanBodyMass.toFixed(2)} kg</div>
            <div class="result-item"><span class="result-label">Ideal Body Fat for Given Age (%):</span> ${idealBodyFat.toFixed(2)}%</div>
            <div class="result-item"><span class="result-label">Body Fat to Lose to Reach Ideal (kg):</span> ${bodyFatToLose.toFixed(2)} kg</div>
            <div class="result-item"><span class="result-label">Body Fat (%):</span> (BMI method): ${bodyFatBmiMethod.toFixed(2)}%</div>
        `;
    }

    function idealBodyFatCalc(age, gender) {
        if (gender === "male") {
            if (age <= 20) return 8.5;
            else if (age <= 25) return 10.5;
            else if (age <= 30) return 12.7;
            else if (age <= 35) return 13.7;
            else if (age <= 40) return 15.3;
            else if (age <= 45) return 16.4;
            else if (age <= 50) return 18.9;
            else if (age <= 55) return 20.9;
            else return 22; // Можно указать значение для возраста выше 55
        } else if (gender === "female") {
            if (age <= 20) return 17.7;
            else if (age <= 25) return 18.4;
            else if (age <= 30) return 19.3;
            else if (age <= 35) return 21.5;
            else if (age <= 40) return 22.2;
            else if (age <= 45) return 22.9;
            else if (age <= 50) return 25.2;
            else if (age <= 55) return 26.3;
            else return 28; // Можно указать значение для возраста выше 55
        }
        return null; // Если пол не указан, возвращаем null
    }
</script>

 

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