diff --git a/bundles/org.openhab.core.persistence/src/main/java/org/openhab/core/persistence/extensions/PersistenceExtensions.java b/bundles/org.openhab.core.persistence/src/main/java/org/openhab/core/persistence/extensions/PersistenceExtensions.java
index 25ee25892..034993e4f 100644
--- a/bundles/org.openhab.core.persistence/src/main/java/org/openhab/core/persistence/extensions/PersistenceExtensions.java
+++ b/bundles/org.openhab.core.persistence/src/main/java/org/openhab/core/persistence/extensions/PersistenceExtensions.java
@@ -16,8 +16,10 @@ import java.math.BigDecimal;
 import java.math.MathContext;
 import java.time.Instant;
 import java.time.ZonedDateTime;
+import java.util.Collection;
 import java.util.Iterator;
 import java.util.List;
+import java.util.stream.StreamSupport;
 
 import org.eclipse.jdt.annotation.Nullable;
 import org.openhab.core.items.Item;
@@ -1091,6 +1093,63 @@ public class PersistenceExtensions {
         return null;
     }
 
+    /**
+     * Gets the number of available historic data points of a given {@link Item} from a point in time until now.
+     * The default {@link PersistenceService} is used.
+     *
+     * @param item the {@link Item} to query
+     * @param begin the beginning point in time
+     * @return the number of values persisted for this item
+     */
+    public static long countSince(Item item, ZonedDateTime begin) {
+        return countSince(item, begin, getDefaultServiceId());
+    }
+
+    /**
+     * Gets the number of available historic data points of a given {@link Item} from a point in time until now.
+     * The {@link PersistenceService} identified by the <code>serviceId</code> is used.
+     *
+     * @param item the {@link Item} to query
+     * @param begin the beginning point in time
+     * @param serviceId the name of the {@link PersistenceService} to use
+     * @return the number of values persisted for this item
+     */
+    public static long countSince(Item item, ZonedDateTime begin, String serviceId) {
+        return countBetween(item, begin, null, serviceId);
+    }
+
+    /**
+     * Gets the number of available historic data points of a given {@link Item} between two points in time.
+     * The default {@link PersistenceService} is used.
+     *
+     * @param item the {@link Item} to query
+     * @param begin the beginning point in time
+     * @param end the end point in time
+     * @return the number of values persisted for this item
+     */
+    public static long countBetween(Item item, ZonedDateTime begin, @Nullable ZonedDateTime end) {
+        return countBetween(item, begin, end, getDefaultServiceId());
+    }
+
+    /**
+     * Gets the number of available historic data points of a given {@link Item} between two points in time.
+     * The {@link PersistenceService} identified by the <code>serviceId</code> is used.
+     *
+     * @param item the {@link Item} to query
+     * @param begin the beginning point in time
+     * @param end the end point in time
+     * @param serviceId the name of the {@link PersistenceService} to use
+     * @return the number of values persisted for this item
+     */
+    public static long countBetween(Item item, ZonedDateTime begin, @Nullable ZonedDateTime end, String serviceId) {
+        Iterable<HistoricItem> historicItems = getAllStatesBetween(item, begin, end, serviceId);
+        if (historicItems instanceof Collection<?>) {
+            return ((Collection<?>) historicItems).size();
+        } else {
+            return StreamSupport.stream(historicItems.spliterator(), false).count();
+        }
+    }
+
     private static @Nullable PersistenceService getService(String serviceId) {
         PersistenceService service = null;
         if (registry != null) {
diff --git a/bundles/org.openhab.core.persistence/src/test/java/org/openhab/core/persistence/extensions/PersistenceExtensionsTest.java b/bundles/org.openhab.core.persistence/src/test/java/org/openhab/core/persistence/extensions/PersistenceExtensionsTest.java
index ac2fc3434..b983db6ad 100644
--- a/bundles/org.openhab.core.persistence/src/test/java/org/openhab/core/persistence/extensions/PersistenceExtensionsTest.java
+++ b/bundles/org.openhab.core.persistence/src/test/java/org/openhab/core/persistence/extensions/PersistenceExtensionsTest.java
@@ -914,4 +914,41 @@ public class PersistenceExtensionsTest {
                 ZonedDateTime.of(2011, 1, 1, 0, 0, 0, 0, ZoneId.systemDefault()));
         assertFalse(updated);
     }
+
+    @Test
+    public void testCountBetween() {
+        long counts = PersistenceExtensions.countBetween(numberItem,
+                ZonedDateTime.of(1940, 1, 1, 0, 0, 0, 0, ZoneId.systemDefault()),
+                ZonedDateTime.of(1970, 1, 1, 0, 0, 0, 0, ZoneId.systemDefault()), TestPersistenceService.ID);
+        assertEquals(0, counts);
+
+        counts = PersistenceExtensions.countBetween(numberItem,
+                ZonedDateTime.of(2005, 1, 1, 0, 0, 0, 0, ZoneId.systemDefault()),
+                ZonedDateTime.of(2011, 1, 1, 0, 0, 0, 0, ZoneId.systemDefault()), TestPersistenceService.ID);
+        assertEquals(7, counts);
+
+        counts = PersistenceExtensions.countBetween(numberItem,
+                ZonedDateTime.of(2005, 1, 1, 0, 0, 0, 0, ZoneId.systemDefault()),
+                ZonedDateTime.of(2011, 1, 1, 0, 0, 0, 0, ZoneId.systemDefault()));
+        assertEquals(0, counts);
+    }
+
+    @Test
+    public void testCountSince() {
+        long counts = PersistenceExtensions.countSince(numberItem,
+                ZonedDateTime.of(1980, 1, 1, 0, 0, 0, 0, ZoneId.systemDefault()), TestPersistenceService.ID);
+        assertEquals(33, counts);
+
+        counts = PersistenceExtensions.countSince(numberItem,
+                ZonedDateTime.of(2007, 1, 1, 0, 0, 0, 0, ZoneId.systemDefault()), TestPersistenceService.ID);
+        assertEquals(6, counts);
+
+        counts = PersistenceExtensions.countSince(numberItem,
+                ZonedDateTime.of(2020, 1, 1, 0, 0, 0, 0, ZoneId.systemDefault()), TestPersistenceService.ID);
+        assertEquals(0, counts);
+
+        counts = PersistenceExtensions.countSince(numberItem,
+                ZonedDateTime.of(2000, 1, 1, 0, 0, 0, 0, ZoneId.systemDefault()));
+        assertEquals(0, counts);
+    }
 }