diff --git a/src/main/java/de/ph87/data/value/Autoscale.java b/src/main/java/de/ph87/data/value/Autoscale.java
index 3ec2219..dda7261 100644
--- a/src/main/java/de/ph87/data/value/Autoscale.java
+++ b/src/main/java/de/ph87/data/value/Autoscale.java
@@ -15,10 +15,13 @@ public class Autoscale {
   @NonNull
   public final String unit;
 
+  public final int decimals;
+
   public Autoscale(@NonNull final SeriesDto series, final double... values) {
     if (!series.isGraphAutoscale()) {
       this.factor = 1;
       this.unit = series.unit.unit;
+      this.decimals = series.getDecimals();
       return;
     }
 
@@ -29,11 +32,13 @@ public class Autoscale {
 
     final int index = (SI_PREFIX.length - 1) / 2 + group;
     this.unit = SI_PREFIX[index] + series.unit.base.unit;
+
+    this.decimals = 1;
   }
 
   @NonNull
   public String format(final double value) {
-    return "%.1f %s".formatted(value, unit);
+    return "%%.%df %%s".formatted(decimals).formatted(value, unit);
   }
 
 }