diff --git a/public/index.html b/public/index.html
index 74d7bff..753af61 100644
--- a/public/index.html
+++ b/public/index.html
@@ -1395,7 +1395,14 @@
                   fill="var(--surface-raised)"
                 />
                 <rect class="band" x="52" y="65.4" width="600" height="19.8" />
-                <text x="58" y="62.4" class="bandline">
+                <text
+                  x="58"
+                  y="62.4"
+                  class="bandline"
+                  data-band-lo="176"
+                  data-band-hi="187"
+                  data-band-prefix="first-crack band, "
+                >
                   first-crack band, 176–187 °C
                 </text>
                 <g class="min">
@@ -1452,15 +1459,15 @@
                 <line class="ax" x1="52" y1="24" x2="52" y2="294" />
                 <line class="ax" x1="52" y1="294" x2="652" y2="294" />
                 <line class="ax" x1="652" y1="24" x2="652" y2="294" />
-                <g class="al" text-anchor="end">
-                  <text x="47" y="296.8">60</text>
-                  <text x="47" y="260.8">80</text>
-                  <text x="47" y="224.8">100</text>
-                  <text x="47" y="188.8">120</text>
-                  <text x="47" y="152.8">140</text>
-                  <text x="47" y="116.8">160</text>
-                  <text x="47" y="80.8">180</text>
-                  <text x="47" y="44.8">200</text>
+                <g class="al curve-axis-temp" text-anchor="end">
+                  <text data-tempc="60" x="47" y="296.8">60</text>
+                  <text data-tempc="80" x="47" y="260.8">80</text>
+                  <text data-tempc="100" x="47" y="224.8">100</text>
+                  <text data-tempc="120" x="47" y="188.8">120</text>
+                  <text data-tempc="140" x="47" y="152.8">140</text>
+                  <text data-tempc="160" x="47" y="116.8">160</text>
+                  <text data-tempc="180" x="47" y="80.8">180</text>
+                  <text data-tempc="200" x="47" y="44.8">200</text>
                 </g>
                 <g class="al" text-anchor="middle">
                   <text x="52" y="304">0:00</text>
@@ -2019,7 +2026,7 @@
                           name="temps.charge.tempC"
                         /><span class="pv"></span>
                       </td>
-                      <td class="num">133–195 °C</td>
+                      <td class="num" data-band-lo="133" data-band-hi="195">133–195 °C</td>
                     </tr>
                     <tr>
                       <td>Turning point</td>
@@ -2036,7 +2043,7 @@
                           name="temps.tp.tempC"
                         /><span class="pv"></span>
                       </td>
-                      <td class="num">77–100 °C @ 0:47–1:15</td>
+                      <td class="num" data-band-lo="77" data-band-hi="100" data-band-suffix=" @ 0:47–1:15">77–100 °C @ 0:47–1:15</td>
                     </tr>
                     <tr>
                       <td>Yellow</td>
@@ -2049,7 +2056,7 @@
                           name="temps.yellow.tempC"
                         /><span class="pv"></span>
                       </td>
-                      <td class="num">148–166 °C</td>
+                      <td class="num" data-band-lo="148" data-band-hi="166">148–166 °C</td>
                     </tr>
                     <tr>
                       <td>First crack</td>
@@ -2060,7 +2067,7 @@
                           name="temps.fc.tempC"
                         /><span class="pv"></span>
                       </td>
-                      <td class="num">176–187 °C</td>
+                      <td class="num" data-band-lo="176" data-band-hi="187">176–187 °C</td>
                     </tr>
                     <tr>
                       <td>Drop</td>
@@ -2071,7 +2078,7 @@
                           name="temps.drop.tempC"
                         /><span class="pv"></span>
                       </td>
-                      <td class="num">183–197 °C light</td>
+                      <td class="num" data-band-lo="183" data-band-hi="197" data-band-suffix=" light">183–197 °C light</td>
                     </tr>
                   </tbody>
                 </table>
@@ -2158,7 +2165,15 @@
                       width="600"
                       height="19.8"
                     />
-                    <text x="58" y="62.4" class="alr" style="font-size: 7px">
+                    <text
+                      x="58"
+                      y="62.4"
+                      class="alr"
+                      style="font-size: 7px"
+                      data-band-lo="176"
+                      data-band-hi="187"
+                      data-band-prefix="your first-crack band, "
+                    >
                       your first-crack band, 176–187 °C
                     </text>
                     <g class="min">
@@ -2231,6 +2246,7 @@
                       class="ttl"
                       transform="rotate(-90 14 159)"
                       text-anchor="middle"
+                      id="print-curve-axis-title"
                     >
                       BEAN TEMP °C
                     </text>
diff --git a/public/js/main.js b/public/js/main.js
index e5c16d4..402dd56 100644
--- a/public/js/main.js
+++ b/public/js/main.js
@@ -638,6 +638,20 @@ function updateTempUnitUI() {
 	if (printHeader) printHeader.textContent = label;
 	for (const input of document.querySelectorAll('#temp-unit-toggle input[name="tempUnit"]'))
 		input.checked = input.value === tempUnit;
+
+	// Static reference numbers that live outside the plan (chart axes, band captions, the
+	// print worksheet's "Your logged band" column) — these are fixed constants, not plan
+	// data, so they're driven off data-tempc/data-band-lo/hi rather than valueForName().
+	const conv = (c) => Math.round(tempUnit === "F" ? cToF(c) : c);
+	for (const el of document.querySelectorAll("[data-tempc]"))
+		el.textContent = String(conv(Number(el.dataset.tempc)));
+	for (const el of document.querySelectorAll("[data-band-lo]")) {
+		const lo = conv(Number(el.dataset.bandLo));
+		const hi = conv(Number(el.dataset.bandHi));
+		el.textContent = `${el.dataset.bandPrefix ?? ""}${lo}–${hi} ${label}${el.dataset.bandSuffix ?? ""}`;
+	}
+	const axisTitle = document.getElementById("print-curve-axis-title");
+	if (axisTitle) axisTitle.textContent = `BEAN TEMP ${label}`;
 }
 
 function setTempUnit(unit) {