diff --git a/src/Netscript/RamCostGenerator.ts b/src/Netscript/RamCostGenerator.ts
index af50c8c5c..31524d5b4 100644
--- a/src/Netscript/RamCostGenerator.ts
+++ b/src/Netscript/RamCostGenerator.ts
@@ -386,6 +386,12 @@ export const RamCosts: IMap<any> = {
     getGameInfo: 0,
   },
 
+  grafting: {
+    getAugmentationCraftPrice: 3.75,
+    getAugmentationCraftTime: 3.75,
+    craftAugmentation: 7.5,
+  },
+
   heart: {
     // Easter egg function
     break: 0,
diff --git a/src/Script/RamCalculations.ts b/src/Script/RamCalculations.ts
index 0bb432581..94f25aaea 100644
--- a/src/Script/RamCalculations.ts
+++ b/src/Script/RamCalculations.ts
@@ -225,6 +225,9 @@ async function parseOnlyRamCalculate(
         } else if (ref in workerScript.env.vars.ui) {
           func = workerScript.env.vars.ui[ref];
           refDetail = `ui.${ref}`;
+        } else if (ref in workerScript.env.vars.grafting) {
+          func = workerScript.env.vars.grafting[ref];
+          refDetail = `grafting.${ref}`;
         } else {
           func = workerScript.env.vars[ref];
           refDetail = `${ref}`;
diff --git a/src/ScriptEditor/NetscriptDefinitions.d.ts b/src/ScriptEditor/NetscriptDefinitions.d.ts
index f871c296e..7a0d53f6e 100644
--- a/src/ScriptEditor/NetscriptDefinitions.d.ts
+++ b/src/ScriptEditor/NetscriptDefinitions.d.ts
@@ -3724,7 +3724,7 @@ export interface Grafting {
   /**
    * Retrieve the crafting cost of an aug.
    * @remarks
-   * RAM cost: TODO
+   * RAM cost: 3.75 GB
    *
    * @param augName - Name of the aug to check the price of. Must be an exact match.
    * @returns The cost required to craft the named augmentation.
@@ -3734,7 +3734,7 @@ export interface Grafting {
   /**
    * Retrieves the time required to craft an aug.
    * @remarks
-   * RAM cost: TODO
+   * RAM cost: 3.75 GB
    *
    * @param augName - Name of the aug to check the crafting time of. Must be an exact match.
    * @returns The time required, in millis, to craft the named augmentation.
@@ -3744,11 +3744,13 @@ export interface Grafting {
   /**
    * Begins crafting the named aug. You must be in New Tokyo to use this.
    * @remarks
-   * RAM cost: TODO
+   * RAM cost: 7.5 GB
    *
    * @param augName - The name of the aug to begin crafting. Must be an exact match.
    * @param focus - Acquire player focus on this Augmentation crafting. Optional. Defaults to true.
-   * @returns True if the aug successfully began crafting, false otherwise.
+   * @returns True if the aug successfully began crafting, false otherwise (e.g. not enough money, or
+   * invalid Augmentation name provided).
+   * @throws Will error if called while you are not in New Tokyo.
    */
   craftAugmentation(augName: string, focus?: boolean): boolean;
 }