diff --git a/atst/filters.py b/atst/filters.py
index 4ab582b2..319a9afd 100644
--- a/atst/filters.py
+++ b/atst/filters.py
@@ -1,6 +1,7 @@
 import re
 import datetime
 from atst.utils.localization import translate
+from atst.forms.data import translate_duration
 from flask import current_app as app, render_template
 from jinja2 import contextfilter
 from jinja2.exceptions import TemplateNotFound
@@ -125,6 +126,7 @@ def register_filters(app):
     app.jinja_env.filters["renderAuditEvent"] = renderAuditEvent
     app.jinja_env.filters["removeHtml"] = removeHtml
     app.jinja_env.filters["normalizeOrder"] = normalizeOrder
+    app.jinja_env.filters["translateDuration"] = translate_duration
 
     @contextfilter
     def translateWithoutCache(context, *kwargs):
diff --git a/atst/forms/data.py b/atst/forms/data.py
index dbc3d15e..0cb029c4 100644
--- a/atst/forms/data.py
+++ b/atst/forms/data.py
@@ -1,6 +1,21 @@
+import math
+from gettext import ngettext
+
 from atst.domain.roles import PORTFOLIO_ROLES as PORTFOLIO_ROLE_DEFINITIONS
 from atst.utils.localization import translate
 
+
+def translate_duration(duration_in_months):
+    duration = []
+    years = math.floor(duration_in_months / 12)
+    months = duration_in_months % 12
+    if years > 0:
+        duration.append("{} {}".format(years, ngettext("year", "years", years)))
+    if months > 0:
+        duration.append("{} {}".format(months, ngettext("month", "months", months)))
+    return (", ").join(duration)
+
+
 SERVICE_BRANCHES = [
     ("", "Select an option"),
     ("Air Force, Department of the", "Air Force, Department of the"),
@@ -213,28 +228,5 @@ TEAM_EXPERIENCE = [
 ]
 
 PERIOD_OF_PERFORMANCE_LENGTH = [
-    ("1", translate("forms.task_order.performance_length.1")),
-    ("2", translate("forms.task_order.performance_length.2")),
-    ("3", translate("forms.task_order.performance_length.3")),
-    ("4", translate("forms.task_order.performance_length.4")),
-    ("5", translate("forms.task_order.performance_length.5")),
-    ("6", translate("forms.task_order.performance_length.6")),
-    ("7", translate("forms.task_order.performance_length.7")),
-    ("8", translate("forms.task_order.performance_length.8")),
-    ("9", translate("forms.task_order.performance_length.9")),
-    ("10", translate("forms.task_order.performance_length.10")),
-    ("11", translate("forms.task_order.performance_length.11")),
-    ("12", translate("forms.task_order.performance_length.12")),
-    ("13", translate("forms.task_order.performance_length.13")),
-    ("14", translate("forms.task_order.performance_length.14")),
-    ("15", translate("forms.task_order.performance_length.15")),
-    ("16", translate("forms.task_order.performance_length.16")),
-    ("17", translate("forms.task_order.performance_length.17")),
-    ("18", translate("forms.task_order.performance_length.18")),
-    ("19", translate("forms.task_order.performance_length.19")),
-    ("20", translate("forms.task_order.performance_length.20")),
-    ("21", translate("forms.task_order.performance_length.21")),
-    ("22", translate("forms.task_order.performance_length.22")),
-    ("23", translate("forms.task_order.performance_length.23")),
-    ("24", translate("forms.task_order.performance_length.24")),
+    (str(x + 1), translate_duration(x + 1)) for x in range(24)
 ]
diff --git a/templates/task_orders/new/review.html b/templates/task_orders/new/review.html
index 32646ceb..929e2910 100644
--- a/templates/task_orders/new/review.html
+++ b/templates/task_orders/new/review.html
@@ -34,10 +34,6 @@
   {% set team_experience_description = "forms.task_order.team_experience.{}".format(task_order.team_experience) | translate %}
 {% endif %}
 
-{% if task_order.performance_length %}
-  {% set performance_length_description = "forms.task_order.performance_length.{}".format(task_order.performance_length) | translate %}
-{% endif %}
-
 
 <h3 class="subheading">{{ "task_orders.new.review.app_info"| translate }} {{ TOEditLink(screen=1) }}</h3>
 
@@ -121,7 +117,7 @@
 <div class="row">
   <div class="col col--grow">
     <h4 class='task-order-form__heading'>{{ "task_orders.new.review.performance_period"| translate }}</h4>
-    {{ performance_length_description or RequiredLabel() }}
+    {{ task_order.performance_length | translateDuration or RequiredLabel() }}
     <p><a href="#" class='icon-link icon-link--left' download>{{ Icon('download') }} {{ "task_orders.new.review.usage_est_link"| translate }}</a></p>
   </div>
 
diff --git a/translations.yaml b/translations.yaml
index 4704c17c..df13405e 100644
--- a/translations.yaml
+++ b/translations.yaml
@@ -208,30 +208,6 @@ forms:
       built_many: Built or migrated many applications, or consulted on several such projects
     performance_length:
       label: Period of Performance length
-      '1': 1 Month
-      '2': 2 Months
-      '3': 3 Months
-      '4': 4 Months
-      '5': 5 Months
-      '6': 6 Months
-      '7': 7 Months
-      '8': 8 Months
-      '9': 9 Months
-      '10': 10 Months
-      '11': 11 Months
-      '12': 1 Year
-      '13': 1 Year, 1 Month
-      '14': 1 Year, 2 Months
-      '15': 1 Year, 3 Months
-      '16': 1 Year, 4 Months
-      '17': 1 Year, 5 Months
-      '18': 1 Year, 6 Months
-      '19': 1 Year, 7 Months
-      '20': 1 Year, 8 Months
-      '21': 1 Year, 9 Months
-      '22': 1 Year, 10 Months
-      '23': 1 Year, 11 Months
-      '24': 2 Years
     start_date_label: Start Date
     end_date_label: End Date
     pdf_label: Upload a copy of your CSP Cost Estimate Research