diff --git a/explorer/types.go b/explorer/types.go
index eec17fa..2a6479c 100644
--- a/explorer/types.go
+++ b/explorer/types.go
@@ -357,7 +357,14 @@ func (h Host) IsV2() bool {
 
 // HostMetrics represents averages of scanned information from hosts.
 type HostMetrics struct {
-	ActiveHosts uint64               `json:"activeHosts"`
-	Settings    rhpv2.HostSettings   `json:"settings"`
-	PriceTable  rhpv3.HostPriceTable `json:"priceTable"`
+	// Number of hosts that were up as of there last scan
+	ActiveHosts uint64 `json:"activeHosts"`
+	// Total storage of all active hosts, in bytes
+	TotalStorage uint64 `json:"totalStorage"`
+	// Remaining storage of all active hosts, in bytes (storage utilization is
+	// equal to TotalStorage - RemainingStorage)
+	RemainingStorage uint64 `json:"remainingStorage"`
+
+	Settings   rhpv2.HostSettings   `json:"settings"`
+	PriceTable rhpv3.HostPriceTable `json:"priceTable"`
 }
diff --git a/persist/sqlite/metrics.go b/persist/sqlite/metrics.go
index 48074f6..698954d 100644
--- a/persist/sqlite/metrics.go
+++ b/persist/sqlite/metrics.go
@@ -36,6 +36,9 @@ func (s *Store) HostMetrics() (result explorer.HostMetrics, err error) {
 				return fmt.Errorf("failed to scan host: %w", err)
 			}
 
+			result.TotalStorage += host.Settings.TotalStorage
+			result.RemainingStorage += host.Settings.RemainingStorage
+
 			result.Settings.MaxDownloadBatchSize += host.Settings.MaxDownloadBatchSize
 			result.Settings.MaxDuration += host.Settings.MaxDuration
 			result.Settings.MaxReviseBatchSize += host.Settings.MaxReviseBatchSize