diff --git a/CHANGELOG.md b/CHANGELOG.md
index b8f4785457..dc3262faef 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -18,6 +18,7 @@ We use *breaking* word for marking changes that are not backward compatible (rel
 - [#1573](https://github.com/thanos-io/thanos/pull/1573) `AliYun OSS` object storage, see [documents](docs/storage.md#aliyun-oss) for further information.
 - [#1680](https://github.com/thanos-io/thanos/pull/1680) Add a new `--http-grace-period` CLI option to components which serve HTTP to set how long to wait until HTTP Server shuts down.
 - [#1712](https://github.com/thanos-io/thanos/pull/1712) Rename flag on bucket web component from `--listen` to `--http-address` to match other components.
+- [#1733](https://github.com/thanos-io/thanos/pull/1733) New metric `thanos_compactor_iterations_total` on Thanos Compactor which shows the number of successful iterations.
 
 ### Fixed
 
diff --git a/cmd/thanos/compact.go b/cmd/thanos/compact.go
index ba09994913..2589a251ee 100644
--- a/cmd/thanos/compact.go
+++ b/cmd/thanos/compact.go
@@ -168,10 +168,15 @@ func runCompact(
 		Name: "thanos_compactor_retries_total",
 		Help: "Total number of retries after retriable compactor error",
 	})
+	iterations := prometheus.NewCounter(prometheus.CounterOpts{
+		Name: "thanos_compactor_iterations_total",
+		Help: "Total number of iterations that were executed successfully",
+	})
 	halted.Set(0)
 
 	reg.MustRegister(halted)
 	reg.MustRegister(retried)
+	reg.MustRegister(iterations)
 
 	downsampleMetrics := newDownsampleMetrics(reg)
 
@@ -313,6 +318,7 @@ func runCompact(
 		return runutil.Repeat(5*time.Minute, ctx.Done(), func() error {
 			err := f()
 			if err == nil {
+				iterations.Inc()
 				return nil
 			}