diff --git a/datacenterlight/cms_plugins.py b/datacenterlight/cms_plugins.py
index 98b144b4..404f3181 100644
--- a/datacenterlight/cms_plugins.py
+++ b/datacenterlight/cms_plugins.py
@@ -97,8 +97,7 @@ class DCLCalculatorPlugin(CMSPluginBase):
             context['templates'] = VMTemplate.objects.filter(
                 vm_type=instance.vm_type
             )
-        if instance.enable_512mb_ram:
-            context['enable_512mb_ram'] = True
+        context['min_ram'] = 0.5 if instance.enable_512mb_ram else 1
         return context
 
 
diff --git a/datacenterlight/templates/datacenterlight/includes/_calculator_form.html b/datacenterlight/templates/datacenterlight/includes/_calculator_form.html
index bc4299ed..eed79e27 100644
--- a/datacenterlight/templates/datacenterlight/includes/_calculator_form.html
+++ b/datacenterlight/templates/datacenterlight/includes/_calculator_form.html
@@ -9,7 +9,7 @@
         window.ssdUnitPrice = {{vm_pricing.ssd_unit_price|default:0}};
         window.hddUnitPrice = {{vm_pricing.hdd_unit_price|default:0}};
         window.discountAmount = {{vm_pricing.discount_amount|default:0}};
-        window.enable_512mb = {{vm_pricing.enable_512mb|default:false}};
+        window.minRam = {{min_ram}};
     </script>
 {% endif %}
 
@@ -55,9 +55,8 @@
         <div class="form-group">
             <div class="description input">
                 <i class="fa fa-minus-circle left" data-minus="ram" aria-hidden="true"></i>
-                {% firstof if enable_512mb_ram "0.5" endif "1" as myvar %}
-                <input id="ramValue" class="input-price select-number" type="number" min="{% if enable_512mb_ram %}0.5{% else %}1{% endif %}" max="200" name="ram"
-                       data-error="{% blocktrans %}Please enter a value in range {% if enable_512mb_ram %}0.5{% else %}1{% endif %} - 200.{% endblocktrans %}" required>
+                <input id="ramValue" class="input-price select-number" type="number" min="{{min_ram}}" max="200" name="ram"
+                       data-error="{% blocktrans with min_ram=min_ram %}Please enter a value in range {{min_ram}} - 200.{% endblocktrans %}" required step="any">
                 <span> GB RAM</span>
                 <i class="fa fa-plus-circle right" data-plus="ram" aria-hidden="true"></i>
             </div>