【ツール】湿度換算（飽和水蒸気圧、飽和水蒸気量、水分量）

<p><label>温度　　：</label><input type="Input" id="temperature" value="25"><label> ℃</label></p>
<p><label>湿度　　：</label><input type="Input" id="relative_humidity" value="30"><label> %</label></p>
<p><label>気体量　：</label><input type="Input" id="gas_amount" value="1"><label> L  　　　</label><button onclick="buttonclick()">Click</button></p>
<table>
    <tbody><tr><td>飽和水蒸気圧</td><td>：</td><td><span id="saturated_pressure_out"></span></td><td>[Pa]</td></tr>
    <tr><td>飽和水蒸気量</td><td>：</td><td><span id="saturated_amount_out"></span></td><td>[g/m<sup>3</sup>]</td></tr>
    <tr><td><span id="humidity_out1">指定湿度</span>における水分量</td><td>：</td><td><span id="watwer_athumidity_out"></span></td><td>[g/m<sup>3</sup>]</td></tr>
    <tr><td><span id="humidity_out2">指定湿度</span>、<span id="gas_amount_out">指定ガス量</span>における水分量</td><td>：</td><td><span id="water_athumidity_gas_out"></span></td><td>[mg]</td></tr>
</table>
    
<script> 
    function buttonclick(){
        let temperature = Number(document.getElementById("temperature").value);
        let relative_humidity = Number(document.getElementById("relative_humidity").value);
        let gas_amount = Number(document.getElementById("gas_amount").value);

        let saturated_pressure_out= document.getElementById("saturated_pressure_out");
        let saturated_amount_out = document.getElementById("saturated_amount_out");
        let watwer_athumidity_out = document.getElementById("watwer_athumidity_out");
        let water_athumidity_gas_out = document.getElementById("water_athumidity_gas_out");

        let humidity_out1 = document.getElementById("humidity_out1");
        let humidity_out2 = document.getElementById("humidity_out2");
        let gas_amount_out = document.getElementById("gas_amount_out");

        let eT = 6.1078 * 10**((7.5*temperature)/(temperature+237.3));
        let aT = 217 *(eT/(temperature + 273.15))
        let water_athumid = aT * relative_humidity / 100
        let water_ingas = water_athumid * gas_amount

        humidity_out1.innerHTML = relative_humidity + " %";
        humidity_out2.innerHTML = relative_humidity + " %";
        gas_amount_out.innerHTML = gas_amount + " L";

        saturated_pressure_out.innerHTML = Math.round(eT*100)/100;
        saturated_amount_out.innerHTML = Math.round(aT*100)/100;
        watwer_athumidity_out.innerHTML = Math.round(water_athumid*100)/100
        water_athumidity_gas_out.innerHTML = Math.round(water_ingas*100)/100

    }
</script>