diff --git a/pkg/api/resource_helpers.go b/pkg/api/resource_helpers.go
index f960241a83b..74da82ef622 100644
--- a/pkg/api/resource_helpers.go
+++ b/pkg/api/resource_helpers.go
@@ -243,28 +243,28 @@ func ExtractContainerResourceValue(fs *ResourceFieldSelector, container *Contain
 
 	switch fs.Resource {
 	case "limits.cpu":
-		return ConvertResourceCPUToString(container.Resources.Limits.Cpu(), divisor)
+		return convertResourceCPUToString(container.Resources.Limits.Cpu(), divisor)
 	case "limits.memory":
-		return ConvertResourceMemoryToString(container.Resources.Limits.Memory(), divisor)
+		return convertResourceMemoryToString(container.Resources.Limits.Memory(), divisor)
 	case "requests.cpu":
-		return ConvertResourceCPUToString(container.Resources.Requests.Cpu(), divisor)
+		return convertResourceCPUToString(container.Resources.Requests.Cpu(), divisor)
 	case "requests.memory":
-		return ConvertResourceMemoryToString(container.Resources.Requests.Memory(), divisor)
+		return convertResourceMemoryToString(container.Resources.Requests.Memory(), divisor)
 	}
 
 	return "", fmt.Errorf("unsupported container resource : %v", fs.Resource)
 }
 
-// ConvertResourceCPUToString converts cpu value to the format of divisor and returns
+// convertResourceCPUToString converts cpu value to the format of divisor and returns
 // ceiling of the value.
-func ConvertResourceCPUToString(cpu *resource.Quantity, divisor resource.Quantity) (string, error) {
+func convertResourceCPUToString(cpu *resource.Quantity, divisor resource.Quantity) (string, error) {
 	c := int64(math.Ceil(float64(cpu.MilliValue()) / float64(divisor.MilliValue())))
 	return strconv.FormatInt(c, 10), nil
 }
 
-// ConvertResourceMemoryToString converts memory value to the format of divisor and returns
+// convertResourceMemoryToString converts memory value to the format of divisor and returns
 // ceiling of the value.
-func ConvertResourceMemoryToString(memory *resource.Quantity, divisor resource.Quantity) (string, error) {
+func convertResourceMemoryToString(memory *resource.Quantity, divisor resource.Quantity) (string, error) {
 	m := int64(math.Ceil(float64(memory.Value()) / float64(divisor.Value())))
 	return strconv.FormatInt(m, 10), nil
 }
diff --git a/pkg/api/v1/resource_helpers.go b/pkg/api/v1/resource_helpers.go
index 78b12303e5a..cc769d12eb7 100644
--- a/pkg/api/v1/resource_helpers.go
+++ b/pkg/api/v1/resource_helpers.go
@@ -18,6 +18,8 @@ package v1
 
 import (
 	"fmt"
+	"math"
+	"strconv"
 	"time"
 
 	"k8s.io/apimachinery/pkg/api/resource"
@@ -303,18 +305,32 @@ func ExtractContainerResourceValue(fs *ResourceFieldSelector, container *Contain
 
 	switch fs.Resource {
 	case "limits.cpu":
-		return api.ConvertResourceCPUToString(container.Resources.Limits.Cpu(), divisor)
+		return convertResourceCPUToString(container.Resources.Limits.Cpu(), divisor)
 	case "limits.memory":
-		return api.ConvertResourceMemoryToString(container.Resources.Limits.Memory(), divisor)
+		return convertResourceMemoryToString(container.Resources.Limits.Memory(), divisor)
 	case "requests.cpu":
-		return api.ConvertResourceCPUToString(container.Resources.Requests.Cpu(), divisor)
+		return convertResourceCPUToString(container.Resources.Requests.Cpu(), divisor)
 	case "requests.memory":
-		return api.ConvertResourceMemoryToString(container.Resources.Requests.Memory(), divisor)
+		return convertResourceMemoryToString(container.Resources.Requests.Memory(), divisor)
 	}
 
 	return "", fmt.Errorf("Unsupported container resource : %v", fs.Resource)
 }
 
+// convertResourceCPUToString converts cpu value to the format of divisor and returns
+// ceiling of the value.
+func convertResourceCPUToString(cpu *resource.Quantity, divisor resource.Quantity) (string, error) {
+	c := int64(math.Ceil(float64(cpu.MilliValue()) / float64(divisor.MilliValue())))
+	return strconv.FormatInt(c, 10), nil
+}
+
+// convertResourceMemoryToString converts memory value to the format of divisor and returns
+// ceiling of the value.
+func convertResourceMemoryToString(memory *resource.Quantity, divisor resource.Quantity) (string, error) {
+	m := int64(math.Ceil(float64(memory.Value()) / float64(divisor.Value())))
+	return strconv.FormatInt(m, 10), nil
+}
+
 // findContainerInPod finds a container by its name in the provided pod
 func findContainerInPod(pod *Pod, containerName string) (*Container, error) {
 	for _, container := range pod.Spec.Containers {