diff --git a/src/core.h b/src/core.h
index 2154768..5ecd74d 100644
--- a/src/core.h
+++ b/src/core.h
@@ -507,7 +507,7 @@ enum class EditTarget { Name, Type, Value, BaseAddress, Source, ArrayIndex, Arra
 inline constexpr int kFoldCol     = 3;   // 3-char fold indicator prefix per line
 inline constexpr int kColType     = 14;  // Max type column width (fits "uint64_t[999]")
 inline constexpr int kColName     = 22;
-inline constexpr int kColValue    = 32;
+inline constexpr int kColValue    = 96;
 inline constexpr int kColComment  = 28;  // "// Enter=Save Esc=Cancel" fits
 inline constexpr int kColBaseAddr = 12;  // "0x" + up to 10 hex digits (40-bit address)
 inline constexpr int kSepWidth    = 1;
diff --git a/src/format.cpp b/src/format.cpp
index 0c32c0d..16be2b8 100644
--- a/src/format.cpp
+++ b/src/format.cpp
@@ -337,9 +337,9 @@ QString fmtNodeLine(const Node& node, const Provider& prov,
     QString cmtSuffix = comment.isEmpty() ? QString()
                                           : fit(comment, COL_COMMENT);
 
-    // Mat4x4: subLine 0..3 = rows
+    // Mat4x4: subLine 0..3 = rows — no truncation so large floats always display fully
     if (node.kind == NodeKind::Mat4x4) {
-        QString val = fit(readValue(node, prov, addr, subLine), COL_VALUE);
+        QString val = readValue(node, prov, addr, subLine);
         if (subLine == 0) return ind + type + SEP + name + SEP + val + cmtSuffix;
         return ind + QString(prefixW, ' ') + val + cmtSuffix;
     }
diff --git a/tests/test_core.cpp b/tests/test_core.cpp
index c956cf6..1d0eaa5 100644
--- a/tests/test_core.cpp
+++ b/tests/test_core.cpp
@@ -336,7 +336,7 @@ private slots:
         auto vs = rcx::valueSpanFor(lm, 100);
         QVERIFY(vs.valid);
         QCOMPARE(vs.start, 44); // 21 + 22 + 1 (kSepWidth)
-        QCOMPARE(vs.end, 76);   // 44 + 32 (kColValue)
+        QCOMPARE(vs.end, 44 + rcx::kColValue);
     }
 
     void testColumnSpan_continuation() {
@@ -352,7 +352,7 @@ private slots:
         auto vs = rcx::valueSpanFor(lm, 100);
         QVERIFY(vs.valid);
         QCOMPARE(vs.start, 6 + 14 + 22 + 2);  // kFoldCol+indent + kColType(14) + kColName(22) + 2*kSepWidth
-        QCOMPARE(vs.end, 44 + 32);   // start + kColValue
+        QCOMPARE(vs.end, 44 + rcx::kColValue);
     }
 
     void testColumnSpan_headerFooter() {
@@ -392,7 +392,7 @@ private slots:
         auto vs = rcx::valueSpanFor(lm, 100);
         QVERIFY(vs.valid);
         QCOMPARE(vs.start, 41); // 18 + 22 + 1 (kSepWidth)
-        QCOMPARE(vs.end, 73);   // 41 + 32 (kColValue)
+        QCOMPARE(vs.end, 41 + rcx::kColValue);   // start + kColValue
     }
 
     void testNodeIdJsonRoundTrip() {