diff --git a/staging/src/k8s.io/cloud-provider/volume/helpers/BUILD b/staging/src/k8s.io/cloud-provider/volume/helpers/BUILD
index 4066602df1..03d159ae07 100644
--- a/staging/src/k8s.io/cloud-provider/volume/helpers/BUILD
+++ b/staging/src/k8s.io/cloud-provider/volume/helpers/BUILD
@@ -20,10 +20,14 @@ go_library(
 
 go_test(
     name = "go_default_test",
-    srcs = ["zones_test.go"],
+    srcs = [
+        "rounding_test.go",
+        "zones_test.go",
+    ],
     embed = [":go_default_library"],
     deps = [
         "//staging/src/k8s.io/api/core/v1:go_default_library",
+        "//staging/src/k8s.io/apimachinery/pkg/api/resource:go_default_library",
         "//staging/src/k8s.io/apimachinery/pkg/util/sets:go_default_library",
     ],
 )
diff --git a/staging/src/k8s.io/cloud-provider/volume/helpers/rounding_test.go b/staging/src/k8s.io/cloud-provider/volume/helpers/rounding_test.go
new file mode 100644
index 0000000000..6b2fa12b1b
--- /dev/null
+++ b/staging/src/k8s.io/cloud-provider/volume/helpers/rounding_test.go
@@ -0,0 +1,323 @@
+/*
+Copyright 2019 The Kubernetes Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package helpers
+
+import (
+	"testing"
+
+	"k8s.io/apimachinery/pkg/api/resource"
+)
+
+func Test_RoundUpToGB(t *testing.T) {
+	testcases := []struct {
+		name       string
+		resource   resource.Quantity
+		roundedVal int64
+	}{
+		{
+			name:       "round Ki to GB",
+			resource:   resource.MustParse("1000Ki"),
+			roundedVal: int64(1),
+		},
+		{
+			name:       "round k to GB",
+			resource:   resource.MustParse("1000k"),
+			roundedVal: int64(1),
+		},
+		{
+			name:       "round Mi to GB",
+			resource:   resource.MustParse("1000Mi"),
+			roundedVal: int64(2),
+		},
+		{
+			name:       "round M to GB",
+			resource:   resource.MustParse("1000M"),
+			roundedVal: int64(1),
+		},
+		{
+			name:       "round G to GB",
+			resource:   resource.MustParse("1000G"),
+			roundedVal: int64(1000),
+		},
+		{
+			name:       "round Gi to GB",
+			resource:   resource.MustParse("1000Gi"),
+			roundedVal: int64(1074),
+		},
+	}
+
+	for _, test := range testcases {
+		t.Run(test.name, func(t *testing.T) {
+			val := RoundUpToGB(test.resource)
+			if val != test.roundedVal {
+				t.Logf("actual rounded value: %d", val)
+				t.Logf("expected rounded value: %d", test.roundedVal)
+				t.Error("unexpected rounded value")
+			}
+		})
+	}
+}
+
+func Test_RoundUpToGiB(t *testing.T) {
+	testcases := []struct {
+		name       string
+		resource   resource.Quantity
+		roundedVal int64
+	}{
+		{
+			name:       "round Ki to GiB",
+			resource:   resource.MustParse("1000Ki"),
+			roundedVal: int64(1),
+		},
+		{
+			name:       "round k to GiB",
+			resource:   resource.MustParse("1000k"),
+			roundedVal: int64(1),
+		},
+		{
+			name:       "round Mi to GiB",
+			resource:   resource.MustParse("1000Mi"),
+			roundedVal: int64(1),
+		},
+		{
+			name:       "round M to GiB",
+			resource:   resource.MustParse("1000M"),
+			roundedVal: int64(1),
+		},
+		{
+			name:       "round G to GiB",
+			resource:   resource.MustParse("1000G"),
+			roundedVal: int64(932),
+		},
+		{
+			name:       "round Gi to GiB",
+			resource:   resource.MustParse("1000Gi"),
+			roundedVal: int64(1000),
+		},
+	}
+
+	for _, test := range testcases {
+		t.Run(test.name, func(t *testing.T) {
+			val := RoundUpToGiB(test.resource)
+			if val != test.roundedVal {
+				t.Logf("actual rounded value: %d", val)
+				t.Logf("expected rounded value: %d", test.roundedVal)
+				t.Error("unexpected rounded value")
+			}
+		})
+	}
+}
+
+func Test_RoundUpToMB(t *testing.T) {
+	testcases := []struct {
+		name       string
+		resource   resource.Quantity
+		roundedVal int64
+	}{
+		{
+			name:       "round Ki to MB",
+			resource:   resource.MustParse("1000Ki"),
+			roundedVal: int64(2),
+		},
+		{
+			name:       "round k to MB",
+			resource:   resource.MustParse("1000k"),
+			roundedVal: int64(1),
+		},
+		{
+			name:       "round Mi to MB",
+			resource:   resource.MustParse("1000Mi"),
+			roundedVal: int64(1049),
+		},
+		{
+			name:       "round M to MB",
+			resource:   resource.MustParse("1000M"),
+			roundedVal: int64(1000),
+		},
+		{
+			name:       "round G to MB",
+			resource:   resource.MustParse("1000G"),
+			roundedVal: int64(1000000),
+		},
+		{
+			name:       "round Gi to MB",
+			resource:   resource.MustParse("1000Gi"),
+			roundedVal: int64(1073742),
+		},
+	}
+
+	for _, test := range testcases {
+		t.Run(test.name, func(t *testing.T) {
+			val := RoundUpToMB(test.resource)
+			if val != test.roundedVal {
+				t.Logf("actual rounded value: %d", val)
+				t.Logf("expected rounded value: %d", test.roundedVal)
+				t.Error("unexpected rounded value")
+			}
+		})
+	}
+}
+
+func Test_RoundUpToMiB(t *testing.T) {
+	testcases := []struct {
+		name       string
+		resource   resource.Quantity
+		roundedVal int64
+	}{
+		{
+			name:       "round Ki to MiB",
+			resource:   resource.MustParse("1000Ki"),
+			roundedVal: int64(1),
+		},
+		{
+			name:       "round k to MiB",
+			resource:   resource.MustParse("1000k"),
+			roundedVal: int64(1),
+		},
+		{
+			name:       "round Mi to MiB",
+			resource:   resource.MustParse("1000Mi"),
+			roundedVal: int64(1000),
+		},
+		{
+			name:       "round M to MiB",
+			resource:   resource.MustParse("1000M"),
+			roundedVal: int64(954),
+		},
+		{
+			name:       "round G to MiB",
+			resource:   resource.MustParse("1000G"),
+			roundedVal: int64(953675),
+		},
+		{
+			name:       "round Gi to MiB",
+			resource:   resource.MustParse("1000Gi"),
+			roundedVal: int64(1024000),
+		},
+	}
+
+	for _, test := range testcases {
+		t.Run(test.name, func(t *testing.T) {
+			val := RoundUpToMiB(test.resource)
+			if val != test.roundedVal {
+				t.Logf("actual rounded value: %d", val)
+				t.Logf("expected rounded value: %d", test.roundedVal)
+				t.Error("unexpected rounded value")
+			}
+		})
+	}
+}
+
+func Test_RoundUpToKB(t *testing.T) {
+	testcases := []struct {
+		name       string
+		resource   resource.Quantity
+		roundedVal int64
+	}{
+		{
+			name:       "round Ki to KB",
+			resource:   resource.MustParse("1000Ki"),
+			roundedVal: int64(1024),
+		},
+		{
+			name:       "round k to KB",
+			resource:   resource.MustParse("1000k"),
+			roundedVal: int64(1000),
+		},
+		{
+			name:       "round Mi to KB",
+			resource:   resource.MustParse("1000Mi"),
+			roundedVal: int64(1048576),
+		},
+		{
+			name:       "round M to KB",
+			resource:   resource.MustParse("1000M"),
+			roundedVal: int64(1000000),
+		},
+		{
+			name:       "round G to KB",
+			resource:   resource.MustParse("1000G"),
+			roundedVal: int64(1000000000),
+		},
+		{
+			name:       "round Gi to KB",
+			resource:   resource.MustParse("1000Gi"),
+			roundedVal: int64(1073741824),
+		},
+	}
+
+	for _, test := range testcases {
+		t.Run(test.name, func(t *testing.T) {
+			val := RoundUpToKB(test.resource)
+			if val != test.roundedVal {
+				t.Logf("actual rounded value: %d", val)
+				t.Logf("expected rounded value: %d", test.roundedVal)
+				t.Error("unexpected rounded value")
+			}
+		})
+	}
+}
+
+func Test_RoundUpToKiB(t *testing.T) {
+	testcases := []struct {
+		name       string
+		resource   resource.Quantity
+		roundedVal int64
+	}{
+		{
+			name:       "round Ki to KiB",
+			resource:   resource.MustParse("1000Ki"),
+			roundedVal: int64(1000),
+		},
+		{
+			name:       "round k to KiB",
+			resource:   resource.MustParse("1000k"),
+			roundedVal: int64(977),
+		},
+		{
+			name:       "round Mi to KiB",
+			resource:   resource.MustParse("1000Mi"),
+			roundedVal: int64(1024000),
+		},
+		{
+			name:       "round M to KiB",
+			resource:   resource.MustParse("1000M"),
+			roundedVal: int64(976563),
+		},
+		{
+			name:       "round G to KiB",
+			resource:   resource.MustParse("1000G"),
+			roundedVal: int64(976562500),
+		},
+		{
+			name:       "round Gi to KiB",
+			resource:   resource.MustParse("1000Gi"),
+			roundedVal: int64(1048576000),
+		},
+	}
+
+	for _, test := range testcases {
+		t.Run(test.name, func(t *testing.T) {
+			val := RoundUpToKiB(test.resource)
+			if val != test.roundedVal {
+				t.Logf("actual rounded value: %d", val)
+				t.Logf("expected rounded value: %d", test.roundedVal)
+				t.Error("unexpected rounded value")
+			}
+		})
+	}
+}