How to Calculate Rate of Infusion

Infusion Rate Calculator

This calculator helps you determine the correct rate at which to administer a fluid infusion. This is crucial in medical settings to ensure patients receive the correct dosage of medication or fluids over a specific period.

function calculateInfusionRate() { var volume = parseFloat(document.getElementById("volume").value); var timeHours = parseFloat(document.getElementById("timeHours").value); var timeMinutes = parseFloat(document.getElementById("timeMinutes").value); var resultDiv = document.getElementById("result"); resultDiv.innerHTML = ""; // Clear previous results if (isNaN(volume) || volume <= 0) { resultDiv.innerHTML = "Please enter a valid positive total volume."; return; } if (isNaN(timeHours) || timeHours < 0) { resultDiv.innerHTML = "Please enter a valid non-negative number for hours."; return; } if (isNaN(timeMinutes) || timeMinutes = 60) { resultDiv.innerHTML = "Please enter a valid non-negative number for minutes, less than 60."; return; } var totalMinutes = (timeHours * 60) + timeMinutes; if (totalMinutes <= 0) { resultDiv.innerHTML = "Total infusion time must be greater than zero."; return; } var rateMlsPerHour = (volume / totalMinutes) * 60; var rateMlsPerMinute = volume / totalMinutes; resultDiv.innerHTML = "
" + "

Infusion Rate:

" + "Rate: " + rateMlsPerHour.toFixed(2) + " mL/hour" + "Rate: " + rateMlsPerMinute.toFixed(2) + " mL/minute" + "
"; } .calculator-container { font-family: sans-serif; border: 1px solid #ccc; padding: 20px; border-radius: 8px; max-width: 500px; margin: 20px auto; background-color: #f9f9f9; } .calculator-container h2 { text-align: center; color: #333; margin-bottom: 15px; } .calculator-container p { color: #555; line-height: 1.6; } .input-section { margin-bottom: 15px; } .input-section label { display: block; margin-bottom: 5px; font-weight: bold; color: #444; } .input-section input[type="number"] { width: calc(100% – 10px); padding: 8px; border: 1px solid #ccc; border-radius: 4px; box-sizing: border-box; } button { background-color: #4CAF50; color: white; padding: 10px 15px; border: none; border-radius: 4px; cursor: pointer; font-size: 16px; width: 100%; margin-top: 10px; } button:hover { background-color: #45a049; } #result { margin-top: 20px; padding: 15px; background-color: #e7f3fe; border-left: 6px solid #2196F3; } .calculation-result h3 { color: #2196F3; margin-top: 0; } .error { color: #f44336; font-weight: bold; }

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