Embed

<div style="text-align: center; margin: 20px;">
  <h3>Calcolatrice Peso Metallo</h3>
  <label for="shape">Seleziona forma:</label>
  <select id="shape" onchange="updateFields()">
    <option value="round">Barra Rotonda</option>
    <option value="flat">Barra Piatta</option>
  </select>
  <br><br>
  <div id="roundFields">
    <label for="diameter">Diametro (mm):</label>
    <input type="number" id="diameter" step="0.1">
    <br>
    <label for="lengthRound">Lunghezza (mm):</label>
    <input type="number" id="lengthRound" step="0.1">
  </div>
  <div id="flatFields" style="display: none;">
    <label for="width">Larghezza (mm):</label>
    <input type="number" id="width" step="0.1">
    <br>
    <label for="thickness">Spessore (mm):</label>
    <input type="number" id="thickness" step="0.1">
    <br>
    <label for="lengthFlat">Lunghezza (mm):</label>
    <input type="number" id="lengthFlat" step="0.1">
  </div>
  <br>
  <label for="density">Densità del metallo (g/cm³):</label>
  <input type="number" id="density" value="7.85" step="0.01"> 
  <br><br>
  <button onclick="calculateWeight()">Calcola Peso</button>
  <br><br>
  <p id="result"></p>
</div>

<script>
  function updateFields() {
    const shape = document.getElementById('shape').value;
    if (shape === 'round') {
      document.getElementById('roundFields').style.display = 'block';
      document.getElementById('flatFields').style.display = 'none';
    } else {
      document.getElementById('roundFields').style.display = 'none';
      document.getElementById('flatFields').style.display = 'block';
    }
  }

  function calculateWeight() {
    const shape = document.getElementById('shape').value;
    const density = parseFloat(document.getElementById('density').value);
    let weight = 0;

    if (shape === 'round') {
      const diameter = parseFloat(document.getElementById('diameter').value) / 10; // Converti mm in cm
      const lengthRound = parseFloat(document.getElementById('lengthRound').value) / 10; // Converti mm in cm
      const radius = diameter / 2;
      const volume = Math.PI * Math.pow(radius, 2) * lengthRound; // Volume in cm³
      weight = (volume * density) / 1000; // Converti direttamente in kg
    } else {
      const width = parseFloat(document.getElementById('width').value) / 10; // Converti mm in cm
      const thickness = parseFloat(document.getElementById('thickness').value) / 10; // Converti mm in cm
      const lengthFlat = parseFloat(document.getElementById('lengthFlat').value) / 10; // Converti mm in cm
      const volume = width * thickness * lengthFlat; // Volume in cm³
      weight = (volume * density) / 1000; // Converti direttamente in kg
    }

    document.getElementById('result').innerText = `Peso calcolato: ${weight.toFixed(2)} kg`;
  }
</script>

Garbolino Acciai spa