diff --git a/internal/sync/progress.go b/internal/sync/progress.go
index e67834c..63730e9 100644
--- a/internal/sync/progress.go
+++ b/internal/sync/progress.go
@@ -253,3 +253,12 @@ func ParseProgressFromJSON(data []byte) (*ProgressData, error) {
 func MarshalProgressToJSON(progress *ProgressData) ([]byte, error) {
 	return json.Marshal(progress)
 }
+
+const CharsPerPage int64 = 1800
+
+func EstimatedPages(totalCharacters int64) int {
+	if totalCharacters <= 0 {
+		return 0
+	}
+	return int(totalCharacters / CharsPerPage)
+}