diff --git a/osu.Game.Rulesets.Mania/Beatmaps/Patterns/Legacy/DistanceObjectPatternGenerator.cs b/osu.Game.Rulesets.Mania/Beatmaps/Patterns/Legacy/DistanceObjectPatternGenerator.cs
index 7e9615a703..c03a8438ae 100644
--- a/osu.Game.Rulesets.Mania/Beatmaps/Patterns/Legacy/DistanceObjectPatternGenerator.cs
+++ b/osu.Game.Rulesets.Mania/Beatmaps/Patterns/Legacy/DistanceObjectPatternGenerator.cs
@@ -47,7 +47,7 @@ namespace osu.Game.Rulesets.Mania.Beatmaps.Patterns.Legacy
             // The true distance, accounting for any repeats
             double distance = (distanceData?.Distance ?? 0) * repeatCount;
             // The velocity of the osu! hit object - calculated as the velocity of a slider
-            double osuVelocity = osu_base_scoring_distance * beatmap.BeatmapInfo.Difficulty.SliderMultiplier / (timingPoint.BeatLength * difficultyPoint.SpeedMultiplier);
+            double osuVelocity = osu_base_scoring_distance * beatmap.BeatmapInfo.Difficulty.SliderMultiplier * difficultyPoint.SpeedMultiplier / timingPoint.BeatLength;
             // The duration of the osu! hit object
             double osuDuration = distance / osuVelocity;
 
diff --git a/osu.Game.Rulesets.Osu/Objects/Slider.cs b/osu.Game.Rulesets.Osu/Objects/Slider.cs
index 4d8c030ede..056bde4005 100644
--- a/osu.Game.Rulesets.Osu/Objects/Slider.cs
+++ b/osu.Game.Rulesets.Osu/Objects/Slider.cs
@@ -69,7 +69,7 @@ namespace osu.Game.Rulesets.Osu.Objects
             TimingControlPoint timingPoint = controlPointInfo.TimingPointAt(StartTime);
             DifficultyControlPoint difficultyPoint = controlPointInfo.DifficultyPointAt(StartTime);
 
-            double scoringDistance = base_scoring_distance * difficulty.SliderMultiplier / difficultyPoint.SpeedMultiplier;
+            double scoringDistance = base_scoring_distance * difficulty.SliderMultiplier * difficultyPoint.SpeedMultiplier;
 
             Velocity = scoringDistance / timingPoint.BeatLength;
             TickDistance = scoringDistance / difficulty.SliderTickRate;
diff --git a/osu.Game.Rulesets.Taiko/Beatmaps/TaikoBeatmapConverter.cs b/osu.Game.Rulesets.Taiko/Beatmaps/TaikoBeatmapConverter.cs
index 44f61e2074..b6d87c745f 100644
--- a/osu.Game.Rulesets.Taiko/Beatmaps/TaikoBeatmapConverter.cs
+++ b/osu.Game.Rulesets.Taiko/Beatmaps/TaikoBeatmapConverter.cs
@@ -81,7 +81,7 @@ namespace osu.Game.Rulesets.Taiko.Beatmaps
                 DifficultyControlPoint difficultyPoint = beatmap.ControlPointInfo.DifficultyPointAt(obj.StartTime);
 
                 double speedAdjustment = difficultyPoint.SpeedMultiplier;
-                double speedAdjustedBeatLength = timingPoint.BeatLength * speedAdjustment;
+                double speedAdjustedBeatLength = timingPoint.BeatLength / speedAdjustment;
 
                 // The true distance, accounting for any repeats. This ends up being the drum roll distance later
                 double distance = distanceData.Distance * repeats * legacy_velocity_multiplier;
@@ -94,7 +94,7 @@ namespace osu.Game.Rulesets.Taiko.Beatmaps
                 // For some reason, old osu! always uses speedAdjustment to determine the taiko velocity, but
                 // only uses it to determine osu! velocity if beatmap version < 8. Let's account for that here.
                 if (beatmap.BeatmapInfo.BeatmapVersion >= 8)
-                    speedAdjustedBeatLength /= speedAdjustment;
+                    speedAdjustedBeatLength *= speedAdjustment;
 
                 // The velocity of the osu! hit object - calculated as the velocity of a slider
                 double osuVelocity = osu_base_scoring_distance * beatmap.BeatmapInfo.Difficulty.SliderMultiplier * legacy_velocity_multiplier / speedAdjustedBeatLength;
diff --git a/osu.Game/Beatmaps/ControlPoints/DifficultyControlPoint.cs b/osu.Game/Beatmaps/ControlPoints/DifficultyControlPoint.cs
index 30c7884334..c622d5310c 100644
--- a/osu.Game/Beatmaps/ControlPoints/DifficultyControlPoint.cs
+++ b/osu.Game/Beatmaps/ControlPoints/DifficultyControlPoint.cs
@@ -10,4 +10,4 @@ namespace osu.Game.Beatmaps.ControlPoints
         /// </summary>
         public double SpeedMultiplier = 1;
     }
-}
\ No newline at end of file
+}
diff --git a/osu.Game/Beatmaps/Formats/OsuLegacyDecoder.cs b/osu.Game/Beatmaps/Formats/OsuLegacyDecoder.cs
index 093f607e0d..b51ea607dd 100644
--- a/osu.Game/Beatmaps/Formats/OsuLegacyDecoder.cs
+++ b/osu.Game/Beatmaps/Formats/OsuLegacyDecoder.cs
@@ -280,7 +280,7 @@ namespace osu.Game.Beatmaps.Formats
 
             double time = double.Parse(split[0].Trim(), NumberFormatInfo.InvariantInfo);
             double beatLength = double.Parse(split[1].Trim(), NumberFormatInfo.InvariantInfo);
-            double speedMultiplier = beatLength < 0 ? -beatLength / 100.0 : 1;
+            double speedMultiplier = beatLength < 0 ? 100.0 / -beatLength : 1;
 
             TimeSignatures timeSignature = TimeSignatures.SimpleQuadruple;
             if (split.Length >= 3)
diff --git a/osu.Game/Rulesets/Objects/Legacy/ConvertSlider.cs b/osu.Game/Rulesets/Objects/Legacy/ConvertSlider.cs
index ffe40e4f2e..479cacc52b 100644
--- a/osu.Game/Rulesets/Objects/Legacy/ConvertSlider.cs
+++ b/osu.Game/Rulesets/Objects/Legacy/ConvertSlider.cs
@@ -53,7 +53,7 @@ namespace osu.Game.Rulesets.Objects.Legacy
             TimingControlPoint timingPoint = controlPointInfo.TimingPointAt(StartTime);
             DifficultyControlPoint difficultyPoint = controlPointInfo.DifficultyPointAt(StartTime);
 
-            double scoringDistance = base_scoring_distance * difficulty.SliderMultiplier / difficultyPoint.SpeedMultiplier;
+            double scoringDistance = base_scoring_distance * difficulty.SliderMultiplier * difficultyPoint.SpeedMultiplier;
 
             Velocity = scoringDistance / timingPoint.BeatLength;
         }
diff --git a/osu.Game/Rulesets/Timing/MultiplierControlPoint.cs b/osu.Game/Rulesets/Timing/MultiplierControlPoint.cs
index 3b9b8d2d57..4f1a85cf2d 100644
--- a/osu.Game/Rulesets/Timing/MultiplierControlPoint.cs
+++ b/osu.Game/Rulesets/Timing/MultiplierControlPoint.cs
@@ -20,7 +20,7 @@ namespace osu.Game.Rulesets.Timing
         /// <summary>
         /// The multiplier which this <see cref="MultiplierControlPoint"/> provides.
         /// </summary>
-        public double Multiplier => 1000 / TimingPoint.BeatLength / DifficultyPoint.SpeedMultiplier;
+        public double Multiplier => 1000 / TimingPoint.BeatLength * DifficultyPoint.SpeedMultiplier;
 
         /// <summary>
         /// The <see cref="TimingControlPoint"/> that provides the timing information for this <see cref="MultiplierControlPoint"/>.
@@ -62,4 +62,4 @@ namespace osu.Game.Rulesets.Timing
 
         public int CompareTo(MultiplierControlPoint other) => StartTime.CompareTo(other?.StartTime);
     }
-}
\ No newline at end of file
+}