{"id":224911,"date":"2025-10-28T08:32:51","date_gmt":"2025-10-28T05:02:51","guid":{"rendered":"https:\/\/sardabsazan.com\/calculate-wet-bulb-temperature\/"},"modified":"2025-11-30T07:22:21","modified_gmt":"2025-11-30T03:52:21","slug":"calculate-wet-bulb-temperature","status":"publish","type":"page","link":"https:\/\/sardabsazan.com\/en\/calculate-wet-bulb-temperature\/","title":{"rendered":"Calculate Wet Bulb Temperature"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-page\" data-elementor-id=\"224911\" class=\"elementor elementor-224911 elementor-224391\">\n\t\t\t\t<div class=\"elementor-element elementor-element-96272ea e-flex e-con-boxed e-con e-parent\" data-id=\"96272ea\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-02a4ca3 e-con-full e-flex e-con e-child\" data-id=\"02a4ca3\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-e8f13dd elementor-widget elementor-widget-text-editor\" data-id=\"e8f13dd\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<h4 data-start=\"915\" data-end=\"972\">Online Wet Bulb Temperature Calculator<\/h4><p data-start=\"974\" data-end=\"1197\">Wet Bulb Temperature (WBT) is one of the important parameters in meteorology, HVAC (Heating, Ventilation, and Air Conditioning), and occupational safety in hot environments. This temperature indicates how much the air temperature can be reduced if complete evaporation occurs.<\/p><p data-start=\"1199\" data-end=\"1376\">Using this free tool, you can calculate the exact Wet Bulb Temperature simply by entering the air temperature (Dry Bulb Temperature) and the Relative Humidity.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-626ada9 elementor-widget__width-inherit elementor-widget elementor-widget-html\" data-id=\"626ada9\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"html.default\">\n\t\t\t\t\t<div>\n\n\n<meta charset=\"UTF-8\">\n<meta name=\"viewport\" content=\"width=device-width, initial-scale=1\">\n<title> Calculate Wet Bulb Temperature (WBT)<\/title>\n<style>\n  body { font-family: Arial, sans-serif; padding: 20px; direction: rtl; background: #f0f0f0; }\n  label { display: block; margin-top: 15px; }\n  input { width: 100%; padding: 8px; font-size: 16px; margin-top: 5px; }\n  button { margin-top: 20px; padding: 10px 15px; font-size: 18px; cursor: pointer; }\n  .result { margin-top: 25px; font-size: 22px; font-weight: bold; }\n  .error { color: red; margin-top: 15px; }\n<\/style>\n\n\n\n<h2>Calculate Wet Bulb Temperature (WBT)<\/h2>\n\n<label for=\"temp\"> Air Temperature (\u00b0C):<\/label>\n<input type=\"number\" id=\"temp\" step=\"0.1\">\n\n<label for=\"rh\">Relative Humidity (%):<\/label>\n<input type=\"number\" id=\"rh\" step=\"0.1\" min=\"0\" max=\"100\">\n\n<button onclick=\"calculateWetBulb()\">Calculate<\/button>\n\n<div class=\"error\" id=\"error\"><\/div>\n<div class=\"result\" id=\"result\"><\/div>\n\n<script>\nfunction saturationVaporPressure(tempC) {\n  return 6.112 * Math.exp((17.67 * tempC) \/ (tempC + 243.5));\n}\n\nfunction actualVaporPressure(tempC, rh) {\n  return saturationVaporPressure(tempC) * rh \/ 100.0;\n}\n\nfunction wetBulbTemperature(tempC, rh) {\n  \/\/  Stull\n  let Tw = tempC * Math.atan(0.151977 * Math.sqrt(rh + 8.313659)) +\n           Math.atan(tempC + rh) -\n           Math.atan(rh - 1.676331) +\n           0.00391838 * Math.pow(rh, 1.5) * Math.atan(0.023101 * rh) - 4.686035;\n  return Math.round(Tw * 100) \/ 100; \/\/ \n}\n\nfunction calculateWetBulb() {\n  const temp = parseFloat(document.getElementById('temp').value);\n  const rh = parseFloat(document.getElementById('rh').value);\n  const errorDiv = document.getElementById('error');\n  const resultDiv = document.getElementById('result');\n\n  errorDiv.textContent = '';\n  resultDiv.textContent = '';\n\n  if (isNaN(temp) || isNaN(rh)) {\n    errorDiv.textContent = ' \u0644\u0637\u0641\u0627\u064b \u0647\u0631 \u062f\u0648 \u0639\u062f\u062f \u062f\u0645\u0627 \u0648 \u0631\u0637\u0648\u0628\u062a \u0631\u0627 \u0648\u0627\u0631\u062f \u06a9\u0646\u06cc\u062f.';\n    return;\n  }\n\n  if (rh < 0 || rh > 100) {\n    errorDiv.textContent = ' \u0631\u0637\u0648\u0628\u062a \u0628\u0627\u06cc\u062f \u0628\u06cc\u0646 0 \u062a\u0627 100 \u062f\u0631\u0635\u062f \u0628\u0627\u0634\u062f.';\n    return;\n  }\n\n  const tw = wetBulbTemperature(temp, rh);\n  resultDiv.textContent = ` \u062f\u0645\u0627\u06cc \u0648\u062a \u0628\u0627\u0644\u0628: ${tw} \u00b0C`;\n}\n<\/script>\n\n\n\n<\/div>\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>Online Wet Bulb Temperature Calculator Wet Bulb Temperature (WBT) is one of the important parameters in meteorology, HVAC (Heating, Ventilation, and Air Conditioning), and occupational safety in hot environments. This temperature indicates how much the air temperature can be reduced if complete evaporation occurs. Using this free tool, you can calculate the exact Wet Bulb&#8230;<\/p>\n","protected":false},"author":2,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-224911","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/sardabsazan.com\/en\/wp-json\/wp\/v2\/pages\/224911","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/sardabsazan.com\/en\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/sardabsazan.com\/en\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/sardabsazan.com\/en\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/sardabsazan.com\/en\/wp-json\/wp\/v2\/comments?post=224911"}],"version-history":[{"count":2,"href":"https:\/\/sardabsazan.com\/en\/wp-json\/wp\/v2\/pages\/224911\/revisions"}],"predecessor-version":[{"id":224934,"href":"https:\/\/sardabsazan.com\/en\/wp-json\/wp\/v2\/pages\/224911\/revisions\/224934"}],"wp:attachment":[{"href":"https:\/\/sardabsazan.com\/en\/wp-json\/wp\/v2\/media?parent=224911"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}