diff --git a/octoprint_costestimation/__init__.py b/octoprint_costestimation/__init__.py
index 0ed1575..0c599fa 100644
--- a/octoprint_costestimation/__init__.py
+++ b/octoprint_costestimation/__init__.py
@@ -26,6 +26,7 @@ def get_settings_defaults(self):
             currencyFormat="%v %s",      # %v - value, %s - currency symbol
             requiresLogin=False,
             useFilamentManager=True,
+            useSpoolManager=False,
             priceOfPrinter=0,            # €
             lifespanOfPrinter=0,         # h
             maintenanceCosts=0,          # €/h
diff --git a/octoprint_costestimation/static/js/costestimation.js b/octoprint_costestimation/static/js/costestimation.js
index 30a73ab..2f2d1df 100644
--- a/octoprint_costestimation/static/js/costestimation.js
+++ b/octoprint_costestimation/static/js/costestimation.js
@@ -14,6 +14,7 @@ $(function() {
         self.settings = parameters[1];
         self.loginState = parameters[2];
         self.filamentManager = parameters[3];
+        self.spoolManager = parameters[4];
 
         self.showEstimatedCost = ko.pureComputed(function() {
             return self.settings.settings.plugins.costestimation.requiresLogin() ?
@@ -21,8 +22,10 @@ $(function() {
         });
 
         self.showFilamentGroup = ko.pureComputed(function() {
-            return self.filamentManager === null || !self.settings.settings.plugins.costestimation.useFilamentManager();
-        })
+            var filamentManagerDisabled = self.filamentManager === null || !self.settings.settings.plugins.costestimation.useFilamentManager();
+            var spoolManagerDisabled = self.spoolManager === null || !self.settings.settings.plugins.costestimation.useSpoolManager();
+            return !filamentManagerDisabled && !spoolManagerDisabled;
+        });
 
         self.estimatedCostString = ko.pureComputed(function() {
             if (!self.showEstimatedCost()) return "-";
@@ -35,6 +38,11 @@ $(function() {
 
             if (self.filamentManager !== null && pluginSettings.useFilamentManager()) {
                 spoolData = self.filamentManager.selectedSpools();
+            } else if (self.spoolManager !== null && pluginSettings.useSpoolManager()) {
+                var selectedSpool = self.spoolManager.selectedSpoolForSidebar();
+                if (selectedSpool) {
+                    spoolData = [self.parseSpoolManagerData(self.spoolManager)];
+                }
             }
 
             // calculating filament cost
@@ -100,13 +108,35 @@ $(function() {
                 element.before("<div id='costestimation_string' data-bind='visible: showEstimatedCost()'><span title='" + text + "'>" + name + "</span>: <strong data-bind='text: estimatedCostString'></strong></div>");
             }
         };
+
+        self.parseSpoolManagerData = function(spoolManager = null) {
+            if (!spoolManager) return null;
+            var selectedSpool = spoolManager.selectedSpoolForSidebar();
+            if (!selectedSpool) return null;
+            return {
+                id: selectedSpool.databaseId() || 0,
+                cost: selectedSpool.cost() || 0,
+                name: selectedSpool.displayName() || "",
+                profile: {
+                    id: selectedSpool.databaseId() || 0,
+                    density: selectedSpool.density() || 0,
+                    diameter: selectedSpool.diameter() || 0,
+                    material: selectedSpool.material() || "",
+                    vendor: selectedSpool.vendor() || ""
+                },
+                temp_offset: 0,
+                used: selectedSpool.usedWeight() ? parseInt(selectedSpool.usedWeight(),10) : 0,
+                weight: selectedSpool.totalWeight() ? parseInt(selectedSpool.totalWeight(),10) : 0,
+            };
+        };
     }
 
     OCTOPRINT_VIEWMODELS.push({
         construct: CostEstimationViewModel,
         dependencies: ["printerStateViewModel", "settingsViewModel",
-                       "loginStateViewModel", "filamentManagerViewModel"],
-        optional: ["filamentManagerViewModel"],
+                       "loginStateViewModel", "filamentManagerViewModel",
+                       "spoolManagerViewModel"],
+        optional: ["filamentManagerViewModel","spoolManagerViewModel"],
         elements: ["#costestimation_string", "#settings_plugin_costestimation"]
     });
 });
diff --git a/octoprint_costestimation/templates/costestimation_settings.jinja2 b/octoprint_costestimation/templates/costestimation_settings.jinja2
index 936fe29..8bf5c14 100644
--- a/octoprint_costestimation/templates/costestimation_settings.jinja2
+++ b/octoprint_costestimation/templates/costestimation_settings.jinja2
@@ -15,6 +15,18 @@
                 <!-- /ko -->
             </label>
         </div>
+        <div class="controls">
+            <label class="checkbox">
+                <input type="checkbox" data-bind="checked: $root.settings.settings.plugins.costestimation.useSpoolManager">
+                {{ _('Use <a target="_blank" href="https://github.com/OllisGit/OctoPrint-SpoolManager">Spool Manager Plugin</a>') }}
+                <!-- ko if: $root.spoolManager !== null -->
+                <span class="text-success">{{ _("(installed)") }}</span>
+                <!-- /ko -->
+                <!-- ko if: $root.spoolManager === null -->
+                <span class="text-error">{{ _("(not installed)") }}</span>
+                <!-- /ko -->
+            </label>
+        </div>
     </div>
 
     <div data-bind="visible: $root.showFilamentGroup">