diff --git a/cli/utils.go b/cli/utils.go
new file mode 100644
index 000000000..62c29654f
--- /dev/null
+++ b/cli/utils.go
@@ -0,0 +1,19 @@
+package cli
+
+import (
+	"fmt"
+
+	"github.com/filecoin-project/lotus/chain/types"
+)
+
+var Units = []string{"B", "KiB", "MiB", "GiB", "TiB", "PiB", "EiB", "ZiB"}
+
+func SizeStr(size types.BigInt) string {
+	size = types.BigMul(size, types.NewInt(100))
+	i := 0
+	for types.BigCmp(size, types.NewInt(102400)) >= 0 && i < len(Units)-1 {
+		size = types.BigDiv(size, types.NewInt(1024))
+		i++
+	}
+	return fmt.Sprintf("%s.%s %s", types.BigDiv(size, types.NewInt(100)), types.BigMod(size, types.NewInt(100)), Units[i])
+}
diff --git a/cmd/lotus-bench/main.go b/cmd/lotus-bench/main.go
index 11417d0c1..d32cd7fb8 100644
--- a/cmd/lotus-bench/main.go
+++ b/cmd/lotus-bench/main.go
@@ -6,6 +6,7 @@ import (
 	"crypto/sha256"
 	"encoding/json"
 	"fmt"
+	"github.com/filecoin-project/lotus/chain/types"
 	"io/ioutil"
 	"math/rand"
 	"os"
@@ -13,6 +14,7 @@ import (
 	"time"
 
 	ffi "github.com/filecoin-project/filecoin-ffi"
+	lcli "github.com/filecoin-project/lotus/cli"
 	"github.com/ipfs/go-datastore"
 	logging "github.com/ipfs/go-log"
 	"github.com/mitchellh/go-homedir"
@@ -315,7 +317,7 @@ func main() {
 			}
 			verifypost2 := time.Now()
 
-			benchout := BenchResults{
+			bo := BenchResults{
 				SectorSize:     cfg.SectorSize,
 				SealingResults: sealTimings,
 
@@ -327,7 +329,7 @@ func main() {
 			} // TODO: optionally write this as json to a file
 
 			if c.Bool("json-out") {
-				data, err := json.MarshalIndent(benchout, "", "  ")
+				data, err := json.MarshalIndent(bo, "", "  ")
 				if err != nil {
 					return err
 				}
@@ -336,17 +338,17 @@ func main() {
 			} else {
 				fmt.Printf("results (%d)\n", sectorSize)
 				if robench == "" {
-					fmt.Printf("seal: addPiece: %s\n", benchout.SealingResults[0].AddPiece) // TODO: average across multiple sealings
-					fmt.Printf("seal: preCommit: %s\n", benchout.SealingResults[0].PreCommit)
-					fmt.Printf("seal: Commit: %s\n", benchout.SealingResults[0].Commit)
-					fmt.Printf("seal: Verify: %s\n", benchout.SealingResults[0].Verify)
-					fmt.Printf("unseal: %s\n", benchout.SealingResults[0].Unseal)
+					fmt.Printf("seal: addPiece: %s (%s)\n", bo.SealingResults[0].AddPiece, bps(bo.SectorSize, bo.SealingResults[0].AddPiece)) // TODO: average across multiple sealings
+					fmt.Printf("seal: preCommit: %s (%s)\n", bo.SealingResults[0].PreCommit, bps(bo.SectorSize, bo.SealingResults[0].PreCommit))
+					fmt.Printf("seal: commit: %s (%s)\n", bo.SealingResults[0].Commit, bps(bo.SectorSize, bo.SealingResults[0].Commit))
+					fmt.Printf("seal: verify: %s\n", bo.SealingResults[0].Verify)
+					fmt.Printf("unseal: %s  (%s)\n", bo.SealingResults[0].Unseal, bps(bo.SectorSize, bo.SealingResults[0].Unseal))
 				}
-				fmt.Printf("generate candidates: %s\n", benchout.PostGenerateCandidates)
-				fmt.Printf("compute epost proof (cold): %s\n", benchout.PostEProofCold)
-				fmt.Printf("compute epost proof (hot): %s\n", benchout.PostEProofHot)
-				fmt.Printf("verify epost proof (cold): %s\n", benchout.VerifyEPostCold)
-				fmt.Printf("verify epost proof (hot): %s\n", benchout.VerifyEPostHot)
+				fmt.Printf("generate candidates: %s (%s)\n", bo.PostGenerateCandidates, bps(bo.SectorSize*uint64(len(bo.SealingResults)), bo.PostGenerateCandidates))
+				fmt.Printf("compute epost proof (cold): %s\n", bo.PostEProofCold)
+				fmt.Printf("compute epost proof (hot): %s\n", bo.PostEProofHot)
+				fmt.Printf("verify epost proof (cold): %s\n", bo.VerifyEPostCold)
+				fmt.Printf("verify epost proof (hot): %s\n", bo.VerifyEPostHot)
 			}
 			return nil
 		},
@@ -357,3 +359,7 @@ func main() {
 		return
 	}
 }
+
+func bps(data uint64, d time.Duration) string {
+	return lcli.SizeStr(types.BigDiv(types.BigMul(types.NewInt(data), types.NewInt(uint64(time.Second))), types.NewInt(uint64(d)))) + "/s"
+}
diff --git a/cmd/lotus-storage-miner/info.go b/cmd/lotus-storage-miner/info.go
index 154d38fa0..58c459e44 100644
--- a/cmd/lotus-storage-miner/info.go
+++ b/cmd/lotus-storage-miner/info.go
@@ -43,7 +43,7 @@ var infoCmd = &cli.Command{
 			return err
 		}
 
-		fmt.Printf("Sector Size: %s\n", sizeStr(types.NewInt(sizeByte)))
+		fmt.Printf("Sector Size: %s\n", lcli.SizeStr(types.NewInt(sizeByte)))
 
 		pow, err := api.StateMinerPower(ctx, maddr, nil)
 		if err != nil {
@@ -51,7 +51,7 @@ var infoCmd = &cli.Command{
 		}
 
 		percI := types.BigDiv(types.BigMul(pow.MinerPower, types.NewInt(1000)), pow.TotalPower)
-		fmt.Printf("Power: %s / %s (%0.4f%%)\n", sizeStr(pow.MinerPower), sizeStr(pow.TotalPower), float64(percI.Int64())/100000*10000)
+		fmt.Printf("Power: %s / %s (%0.4f%%)\n", lcli.SizeStr(pow.MinerPower), lcli.SizeStr(pow.TotalPower), float64(percI.Int64())/100000*10000)
 
 		// TODO: indicate whether the post worker is in use
 		wstat, err := nodeApi.WorkerStats(ctx)
@@ -110,18 +110,6 @@ var infoCmd = &cli.Command{
 	},
 }
 
-var Units = []string{"B", "KiB", "MiB", "GiB", "TiB", "PiB", "EiB", "ZiB"}
-
-func sizeStr(size types.BigInt) string {
-	size = types.BigMul(size, types.NewInt(100))
-	i := 0
-	for types.BigCmp(size, types.NewInt(102400)) >= 0 && i < len(Units)-1 {
-		size = types.BigDiv(size, types.NewInt(1024))
-		i++
-	}
-	return fmt.Sprintf("%s.%s %s", types.BigDiv(size, types.NewInt(100)), types.BigMod(size, types.NewInt(100)), Units[i])
-}
-
 func sectorsInfo(ctx context.Context, napi api.StorageMiner) (map[string]int, error) {
 	sectors, err := napi.SectorsList(ctx)
 	if err != nil {