diff --git a/CHANGELOG.md b/CHANGELOG.md
index 62b0a89dba..e44fb822c0 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,6 +5,7 @@
 ### Fixes
 
 - Tracer does not allow setting measurement if finished ([#1026](https://github.com/getsentry/sentry-dart/pull/1026))
+- Add missing measurements units ([#1033](https://github.com/getsentry/sentry-dart/pull/1033))
 
 ### Features
 
diff --git a/dart/lib/src/sentry_measurement_unit.dart b/dart/lib/src/sentry_measurement_unit.dart
index e53432b827..257dd1b6bc 100644
--- a/dart/lib/src/sentry_measurement_unit.dart
+++ b/dart/lib/src/sentry_measurement_unit.dart
@@ -1,4 +1,12 @@
+/// The unit of measurement of a metric value.
+/// Units augment metric values by giving them a magnitude and semantics.
+/// Units and their precisions are uniquely represented by a string identifier.
+///
+/// This is a singe enum because Enhanced Enums in Dart is only available
+/// in newer versions.
 enum SentryMeasurementUnit {
+  /// Duration units
+
   /// Nanosecond (`"nanosecond"`), 10^-9 seconds.
   nanoSecond,
 
@@ -23,6 +31,58 @@ enum SentryMeasurementUnit {
   /// Week (`"week"`), 604,800 seconds.
   week,
 
+  /// Information units
+
+  /// Bit (`"bit"`), corresponding to 1/8 of a byte.
+  bit,
+
+  /// Byte (`"byte"`).
+  byte,
+
+  /// Kilobyte (`"kilobyte"`), 10^3 bytes.
+  kiloByte,
+
+  /// Kibibyte (`"kibibyte"`), 2^10 bytes.
+  kibiByte,
+
+  /// Megabyte (`"megabyte"`), 10^6 bytes.
+  megaByte,
+
+  /// Mebibyte (`"mebibyte"`), 2^20 bytes.
+  mebiByte,
+
+  /// Gigabyte (`"gigabyte"`), 10^9 bytes.
+  gigaByte,
+
+  /// Gibibyte (`"gibibyte"`), 2^30 bytes.
+  gibiByte,
+
+  /// Terabyte (`"terabyte"`), 10^12 bytes.
+  teraByte,
+
+  /// Tebibyte (`"tebibyte"`), 2^40 bytes.
+  tebiByte,
+
+  /// Petabyte (`"petabyte"`), 10^15 bytes.
+  petaByte,
+
+  /// Pebibyte (`"pebibyte"`), 2^50 bytes.
+  pebiByte,
+
+  /// Exabyte (`"exabyte"`), 10^18 bytes.
+  exaByte,
+
+  /// Exbibyte (`"exbibyte"`), 2^60 bytes.
+  exbiByte,
+
+  /// Fraction units
+
+  /// Floating point fraction of `1`.
+  ratio,
+
+  /// Ratio expressed as a fraction of `100`. `100%` equals a ratio of `1.0`.
+  percent,
+
   /// Untyped value without a unit.
   none,
 }
@@ -30,6 +90,7 @@ enum SentryMeasurementUnit {
 extension SentryMeasurementUnitExtension on SentryMeasurementUnit {
   String toStringValue() {
     switch (this) {
+      // Duration units
       case SentryMeasurementUnit.nanoSecond:
         return 'nanosecond';
       case SentryMeasurementUnit.microSecond:
@@ -46,6 +107,44 @@ extension SentryMeasurementUnitExtension on SentryMeasurementUnit {
         return 'day';
       case SentryMeasurementUnit.week:
         return 'week';
+
+      // Information units
+      case SentryMeasurementUnit.bit:
+        return 'bit';
+      case SentryMeasurementUnit.byte:
+        return 'byte';
+      case SentryMeasurementUnit.kiloByte:
+        return 'kilobyte';
+      case SentryMeasurementUnit.kibiByte:
+        return 'kibibyte';
+      case SentryMeasurementUnit.megaByte:
+        return 'megabyte';
+      case SentryMeasurementUnit.mebiByte:
+        return 'mebibyte';
+      case SentryMeasurementUnit.gigaByte:
+        return 'gigabyte';
+      case SentryMeasurementUnit.gibiByte:
+        return 'gibibyte';
+      case SentryMeasurementUnit.teraByte:
+        return 'terabyte';
+      case SentryMeasurementUnit.tebiByte:
+        return 'tebibyte';
+      case SentryMeasurementUnit.petaByte:
+        return 'petabyte';
+      case SentryMeasurementUnit.pebiByte:
+        return 'pebibyte';
+      case SentryMeasurementUnit.exaByte:
+        return 'exabyte';
+      case SentryMeasurementUnit.exbiByte:
+        return 'exbibyte';
+
+      // Fraction units
+      case SentryMeasurementUnit.ratio:
+        return 'ratio';
+      case SentryMeasurementUnit.percent:
+        return 'percent';
+
+      // Untyped value
       case SentryMeasurementUnit.none:
         return 'none';
     }
diff --git a/dart/test/sentry_measurement_unit_test.dart b/dart/test/sentry_measurement_unit_test.dart
new file mode 100644
index 0000000000..2af0a27aff
--- /dev/null
+++ b/dart/test/sentry_measurement_unit_test.dart
@@ -0,0 +1,110 @@
+import 'package:sentry/sentry.dart';
+import 'package:test/test.dart';
+
+void main() {
+  group('$SentryMeasurementUnit', () {
+    group('DurationUnit', () {
+      test('nanosecond', () {
+        expect(SentryMeasurementUnit.nanoSecond.toStringValue(), 'nanosecond');
+      });
+
+      test('microsecond', () {
+        expect(
+            SentryMeasurementUnit.microSecond.toStringValue(), 'microsecond');
+      });
+
+      test('millisecond', () {
+        expect(
+            SentryMeasurementUnit.milliSecond.toStringValue(), 'millisecond');
+      });
+
+      test('second', () {
+        expect(SentryMeasurementUnit.second.toStringValue(), 'second');
+      });
+
+      test('minute', () {
+        expect(SentryMeasurementUnit.minute.toStringValue(), 'minute');
+      });
+
+      test('hour', () {
+        expect(SentryMeasurementUnit.hour.toStringValue(), 'hour');
+      });
+
+      test('day', () {
+        expect(SentryMeasurementUnit.day.toStringValue(), 'day');
+      });
+
+      test('week', () {
+        expect(SentryMeasurementUnit.week.toStringValue(), 'week');
+      });
+    });
+
+    group('FractionUnit', () {
+      test('ratio', () {
+        expect(SentryMeasurementUnit.ratio.toStringValue(), 'ratio');
+      });
+
+      test('percent', () {
+        expect(SentryMeasurementUnit.percent.toStringValue(), 'percent');
+      });
+    });
+
+    group('None', () {
+      test('none', () {
+        expect(SentryMeasurementUnit.none.toStringValue(), 'none');
+      });
+    });
+
+    group('InformationUnit', () {
+      test('bit', () {
+        expect(SentryMeasurementUnit.bit.toStringValue(), 'bit');
+      });
+
+      test('byte', () {
+        expect(SentryMeasurementUnit.byte.toStringValue(), 'byte');
+      });
+
+      test('kilobyte', () {
+        expect(SentryMeasurementUnit.kiloByte.toStringValue(), 'kilobyte');
+      });
+
+      test('kibibyte', () {
+        expect(SentryMeasurementUnit.kibiByte.toStringValue(), 'kibibyte');
+      });
+
+      test('megabyte', () {
+        expect(SentryMeasurementUnit.megaByte.toStringValue(), 'megabyte');
+      });
+
+      test('mebibyte', () {
+        expect(SentryMeasurementUnit.mebiByte.toStringValue(), 'mebibyte');
+      });
+
+      test('gigabyte', () {
+        expect(SentryMeasurementUnit.gigaByte.toStringValue(), 'gigabyte');
+      });
+
+      test('gibibyte', () {
+        expect(SentryMeasurementUnit.gibiByte.toStringValue(), 'gibibyte');
+      });
+      test('terabyte', () {
+        expect(SentryMeasurementUnit.teraByte.toStringValue(), 'terabyte');
+      });
+      test('tebibyte', () {
+        expect(SentryMeasurementUnit.tebiByte.toStringValue(), 'tebibyte');
+      });
+      test('petabyte', () {
+        expect(SentryMeasurementUnit.petaByte.toStringValue(), 'petabyte');
+      });
+      test('pebibyte', () {
+        expect(SentryMeasurementUnit.pebiByte.toStringValue(), 'pebibyte');
+      });
+      test('exabyte', () {
+        expect(SentryMeasurementUnit.exaByte.toStringValue(), 'exabyte');
+      });
+      test('exbibyte', () {
+        expect(SentryMeasurementUnit.exbiByte.toStringValue(), 'exbibyte');
+      });
+    });
+  });
+}