diff --git a/macrovision.js b/macrovision.js
index 2a9078e5..814dad2f 100644
--- a/macrovision.js
+++ b/macrovision.js
@@ -593,6 +593,16 @@ function updateRatios() {
             }
 
             text += prevSelectedEntity.name + " looks " + math.format(apparentHeight, { precision: 3}) + " tall to " + selectedEntity.name;
+
+            if (selectedEntity.currentView.capacity && prevSelectedEntity.currentView.weight) {
+                const containCount = math.divide(selectedEntity.currentView.capacity, math.divide(prevSelectedEntity.currentView.weight, math.unit("80kg/people")));
+                
+                if (containCount > 0.1) {
+                    text += "\n"
+                text += selectedEntity.name + " can fit " + math.format(containCount, { precision: 1 }) + " of " + prevSelectedEntity.name + " inside them"
+                }
+                
+            }
     
             ratioInfo.innerText = text;
         } else {
@@ -1216,17 +1226,21 @@ function makeEntity(info, views, sizes, forms = {}) {
                     let base = undefined;
                     switch(config.autoMass) {
                         case "human":
-                            base = math.divide(math.unit(150, "lbs"), math.unit(5.917, "feet"))
+                            baseMass = math.unit(150, "lbs")
+                            baseHeight = math.unit(5.917, "feet")
                             break
                         case "quadruped at shoulder":
-                            base = math.divide(math.unit(80, "lbs"), math.unit(30, "inches"))
+                            baseMass = math.unit(80, "lbs")
+                            baseHeight = math.unit(30, "inches")
                             break
                     }
+
+                    const ratio = math.divide(view.attributes.height.base, baseHeight)
                     view.attributes.weight = {
                         name: "Mass",
                         power: 3,
                         type: "mass",
-                        base: math.multiply(base, view.attributes.height.base)
+                        base: math.multiply(baseMass, Math.pow(ratio, 3))
                     }
                 }