diff --git a/game.js b/game.js
index 9237f70..f9b171e 100644
--- a/game.js
+++ b/game.js
@@ -1558,9 +1558,9 @@ let macro =
     }
     if (this.maleParts) {
       if (this.hasSheath && this.arousal < 75) {
-        line = "Your " + this.describeDick + " cock is hidden away in your bulging sheath, with two " + mass(macro.ballMass, unit, true) + ", " + length(macro.ballDiameter, unit, true) + "-wide balls hanging beneath.";
+        line = "Your " + this.describeDick + " cock is hidden away in your bulging sheath, with two " + mass(macro.ballMass, unit, true) + ", " + length(macro.ballDiameter, unit, true) + " wide balls hanging beneath.";
       } else {
-        line = "Your " + this.describeDick + " cock hangs from your hips, with two " + mass(macro.ballMass, unit, true) + ", " + length(macro.ballDiameter, unit, true) + "-wide balls hanging beneath.";
+        line = "Your " + this.describeDick + " cock hangs from your hips, with two " + mass(macro.ballMass, unit, true) + ", " + length(macro.ballDiameter, unit, true) + " wide balls hanging beneath.";
       }
       result.push(line);
       result.push(macro.balls.description);
@@ -1573,7 +1573,7 @@ let macro =
     }
 
     if (this.hasBreasts) {
-      line = "You have two " + length(this.breastDiameter, unit, true) + "-wide breasts that weigh " + mass(macro.breastMass, unit) + " apiece.";
+      line = "You have two " + length(this.breastDiameter, unit, true) + " wide breasts that weigh " + mass(macro.breastMass, unit) + " apiece.";
 
       if (this.lactationEnabled) {
         line += " They slosh with " + volume(this.milkStorage.amount, unit, false) + " of creamy milk.";
@@ -1628,7 +1628,7 @@ let macro =
   },
 
   get describeTail() {
-    return (this.tailCount > 1 ? this.tailCount + " " : "") + length(this.tailLength, unit, true) + "-long " + this.tailType;
+    return (this.tailCount > 1 ? this.tailCount + " " : "") + length(this.tailLength, unit, true) + " long " + this.tailType;
   },
 
   get describeDick() {
@@ -1716,12 +1716,14 @@ function toggle_auto(e)
 function toggle_units(e)
 {
   switch(unit) {
-    case "metric": unit = "customary"; break;
-    case "customary": unit = "approx"; break;
+    case "metric": unit = "SI"; break;
+    case "SI": unit = "customary"; break;
+    case "customary": unit = "US"; break;
+    case "US": unit = "approx"; break;
     case "approx": unit = "metric"; break;
   }
 
-  e.target.innerText = "Units: " + unit.charAt(0).toUpperCase() + unit.slice(1);
+  e.target.innerText = "Units:\n" + unit.charAt(0).toUpperCase() + unit.slice(1);
 
   update();
 }
@@ -1729,11 +1731,13 @@ function toggle_units(e)
 function toggle_units_options(e)
 {
   switch(unit) {
-    case "metric": unit = "customary"; break;
-    case "customary": unit = "metric"; break;
+    case "metric": unit = "SI"; break;
+    case "SI": unit = "customary"; break;
+    case "customary": unit = "US"; break;
+    case "US": unit = "metric"; break;
   }
 
-  e.target.innerText = "Units: " + unit.charAt(0).toUpperCase() + unit.slice(1);
+  e.target.innerText = "Units:\n" + unit.charAt(0).toUpperCase() + unit.slice(1);
 
   updateAllPreviews();
 }
@@ -4908,6 +4912,8 @@ function startGame(e) {
     document.getElementById("edge").style.display = "none";
   }
 
+  document.getElementById("button-option-toggle_units").innerText = "Units:\n" + unit.charAt(0).toUpperCase() + unit.slice(1); //sets units button to display selected unit on start
+
   if (macro.victimsHuman) {
     // eh this is ok
     things["Person"] = Human;
@@ -4930,6 +4936,7 @@ function startGame(e) {
   document.getElementById("actions-body").style.display = 'flex';
   document.getElementById("stat-container").style.display = 'flex';
 
+
   window.scroll(0,0);
 }
 
diff --git a/units.js b/units.js
index 60a5b63..d2cac8c 100644
--- a/units.js
+++ b/units.js
@@ -128,7 +128,9 @@ function number_prefix(value) {
 function mass(kg, type="metric", singular=false) {
   switch(type) {
     case "metric": return metricMass(kg, singular);
+    case "SI": return metricSymMass(kg, singular);
     case "customary": return customaryMass(kg, singular);
+    case "US": return customarySymMass(kg, singular);
     case "approx": return approxMass(kg, singular);
   }
 }
@@ -136,7 +138,9 @@ function mass(kg, type="metric", singular=false) {
 function length(m, type="metric", singular=false) {
   switch(type) {
     case "metric": return metricLength(m, singular);
+    case "SI": return metricSymLength(m, singular);
     case "customary": return customaryLength(m, singular);
+    case "US": return customarySymLength(m, singular);
     case "approx": return approxLength(m, singular);
   }
 }
@@ -144,7 +148,9 @@ function length(m, type="metric", singular=false) {
 function area(m2, type="metric", singular=false) {
   switch(type) {
     case "metric": return metricArea(m2, singular);
+    case "SI": return metricSymArea(m2, singular);
     case "customary": return customaryArea(m2, singular);
+    case "US": return customarySymArea(m2, singular);
     case "approx": return approxArea(m2, singular);
   }
 }
@@ -152,7 +158,9 @@ function area(m2, type="metric", singular=false) {
 function volume(m3, type="metric", singular=false) {
   switch(type) {
     case "metric": return metricVolume(m3, singular);
+    case "SI": return metricSymVolume(m3, singular);
     case "customary": return customaryVolume(m3, singular);
+    case "US": return customarySymVolume(m3, singular);
     case "approx": return approxVolume(m3, singular);
   }
 }
@@ -182,6 +190,31 @@ function metricMass(kg, singular=false) {
   }
 }
 
+function metricSymMass(kg, singular=false) {
+  if (kg < 1/1000) {
+    let mass = round(kg * 1e6,0);
+    return mass + " mg";
+  } else if (kg < 1) {
+    let mass = round(kg * 1000,0);
+    return mass + " g";
+  } else if (kg < 5000) {
+    let mass = round(kg,0);
+    return mass + " kg";
+  } else if (kg < 5000000) {
+    let mass = round(kg / 1000,1);
+    return mass + " t";
+  } else if (kg < 5000000000) {
+    let mass = round(kg / 1000000,1);
+    return mass + " kt";
+  } else if (kg < 5000000000000) {
+    let mass = round(kg / 1000000000,1);
+    return mass + " mt";
+  } else {
+    let mass = round(kg / 1000000000000,1);
+    return mass + " gt";
+  }
+}
+
 function customaryMass(kg, singular=false) {
   let lbs = kg * 2.2;
 
@@ -197,6 +230,21 @@ function customaryMass(kg, singular=false) {
   }
 }
 
+function customarySymMass(kg, singular=false) {
+  let lbs = kg * 2.2;
+
+  if (lbs < 1) {
+    let mass = round(lbs * 16,0);
+    return mass + " oz";
+  } else if (lbs < 2000) {
+    let mass = round(lbs,0);
+    return mass + (singular || mass == 1 ? " lb" : " lbs");
+  } else {
+    let mass = round(lbs / 2000,1);
+    return mass + (singular || mass == 1 ? " ton" : " tons");
+  }
+}
+
 function approxMass(kg, singular=false) {
   if (kg < 4500) {
     let mass = round(kg/1000,2);
@@ -250,6 +298,22 @@ function metricLength(m, singular=false) {
   }
 }
 
+function metricSymLength(m, singular=false) {
+  if (m < 1/100) {
+    let length = round(m * 1000,2);
+    return length + " mm";
+  } else if (m < 1) {
+    let length = round(m * 100,0);
+    return length + " cm";
+  } else if (m < 500) {
+    let length = round(m,2);
+    return length + " m";
+  } else {
+    let length = round(m / 1000,1);
+    return length + " km";
+  }
+}
+
 function customaryLength(m, singular=false) {
   let ft = m * 3.28084;
 
@@ -266,6 +330,22 @@ function customaryLength(m, singular=false) {
   }
 }
 
+function customarySymLength(m, singular=false) {
+  let ft = m * 3.28084;
+
+  if (ft < 1) {
+    let length = round(ft * 12,0);
+    return length + "\"";
+  } else if (ft < 5280) {
+    let end = customarySymLength((ft - Math.floor(ft))/3.28084, singular);
+    let length = Math.floor(ft);
+    return length + "'" + " " + end;
+  } else {
+    let length = round(ft/5280,1);
+    return length + " mi";
+  }
+}
+
 function approxLength(m, singular=false) {
   if (m < 25) {
     let length = round(m/1.9,1);
@@ -313,6 +393,19 @@ function metricArea(m2, singular=false) {
   }
 }
 
+function metricSymArea(m2, singular=false) {
+  if (m2 < 1/10) {
+    let area = round(m2 * 10000,2);
+    return area + " cm" + "2".sup();
+  } else if (m2 < 100000) {
+    let area = round(m2,2);
+    return area + " m" + "2".sup();
+  } else {
+    let area = round(m2 / 1e6,2);
+    return area + " km" + "2".sup();
+  }
+}
+
 function customaryArea(m2, singular=false) {
   let ft2 = m2 * 3.28084 * 3.28084;
 
@@ -328,6 +421,19 @@ function customaryArea(m2, singular=false) {
   }
 }
 
+function customarySymArea(m2, singular=false) {
+  if (m2 < 1/10) {
+    let area = round(m2 * 10000,2);
+    return area + " in" + "2".sup();
+  } else if (m2 < 100000) {
+    let area = round(m2,2);
+    return area + " ft" + "2".sup();
+  } else {
+    let area = round(m2 / 1e6,2);
+    return area + " mi" + "2".sup();
+  }
+}
+
 function metricVolume(m3, singular=false) {
   if (m3 < 1/1000) {
     let volume = round(m3*1e6, 0);
@@ -347,6 +453,25 @@ function metricVolume(m3, singular=false) {
   }
 }
 
+function metricSymVolume(m3, singular=false) {
+  if (m3 < 1/1000) {
+    let volume = round(m3*1e6, 0);
+    return volume + " mL";
+  } else if (m3 < 1) {
+    let volume = round(m3*1000, 1);
+    return volume + " L";
+  } else if (m3 < 1000000) {
+    let volume = round(m3, 0);
+    return volume + " m" + "3".sup();
+  } else if (m3 < 1e12){
+    let volume = round(m3/1e9, 3);
+    return volume + " km" + "3".sup();
+  } else {
+    let volume = round(m3/1e9, 0);
+    return volume + " km" + "3".sup();
+  }
+}
+
 function customaryVolume(m3, singular=false) {
   let gallons = m3 * 264.172;
   if (gallons < 1/16) {
@@ -370,6 +495,29 @@ function customaryVolume(m3, singular=false) {
   }
 }
 
+function customarySymVolume(m3, singular=false) {
+  let gallons = m3 * 264.172;
+  if (gallons < 1/16) {
+    let volume = round(gallons*128,0);
+    return volume + " fl oz";
+  } else if (gallons < 1/4) {
+    let volume = round(gallons*16,1);
+    return volume + (singular || volume == 1 ? " cp" : " cps");
+  } else if (gallons < 1/2) {
+    let volume = round(gallons*8,1);
+    return volume + " pt";
+  } else if (gallons < 1) {
+    let volume = round(gallons*4,1);
+    return volume + " qt";
+  } else if (gallons < 100) {
+    let volume = round(gallons,1);
+    return volume + " g";
+  } else {
+    let volume = round(gallons,0);
+    return volume + " g";
+  }
+}
+
 function approxVolume(m3, singular=false) {
   if (m3 < 2/10000) {
     let volume = round(m3*4e5,0);