diff --git a/src/bin/rustii/info.rs b/src/bin/rustii/info.rs
index 2672320..449b30f 100644
--- a/src/bin/rustii/info.rs
+++ b/src/bin/rustii/info.rs
@@ -102,12 +102,16 @@ fn print_wad_info(wad: wad::WAD) {
         wad::WADType::ImportBoot => { println!("  WAD Type: boot2") },
         wad::WADType::Installable => { println!("  WAD Type: Standard Installable") },
     }
-    println!("  Installed Size: WIP blocks");
-    println!("  Installed Size (MB): WIP MB");
+    // Create a Title for size info, signing info and TMD/Ticket info.
+    let title = title::Title::from_wad(&wad).unwrap();
+    let min_size_blocks = title.title_size_blocks(None).unwrap();
+    let max_size_blocks = title.title_size_blocks(Some(true)).unwrap();
+    println!("  Installed Size: {}-{} blocks", min_size_blocks, max_size_blocks);
+    let min_size = title.title_size(None).unwrap() as f64 / 1048576.0;
+    let max_size = title.title_size(Some(true)).unwrap() as f64 / 1048576.0;
+    println!("  Installed Size (MB): {:.2}-{:.2} MB", min_size, max_size);
     println!("  Has Meta/Footer: {}", wad.meta_size() != 0);
     println!("  Has CRL: {}", wad.crl_size() != 0);
-    // Create a Title for signing info and TMD/Ticket info.
-    let title = title::Title::from_wad(&wad).unwrap();
     println!("  Fakesigned: {}", title.is_fakesigned());
     println!();
     print_ticket_info(title.ticket);
diff --git a/src/title/mod.rs b/src/title/mod.rs
index 00e446a..0842637 100644
--- a/src/title/mod.rs
+++ b/src/title/mod.rs
@@ -110,6 +110,34 @@ impl Title {
         Ok(content)
     }
     
+    /// Gets the installed size of the title, in bytes. Use the optional parameter "absolute" to set
+    /// whether shared content should be included in this total or not.
+    pub fn title_size(&self, absolute: Option<bool>) -> Result<usize, TitleError> {
+        let mut title_size: usize = 0;
+        // Get the TMD and Ticket size by dumping them and measuring their length for the most
+        // accurate results.
+        title_size += self.tmd.to_bytes().map_err(|x| TitleError::TMDError(tmd::TMDError::IOError(x)))?.len();
+        title_size += self.ticket.to_bytes().map_err(|x| TitleError::TicketError(ticket::TicketError::IOError(x)))?.len();
+        for record in &self.tmd.content_records {
+            if matches!(record.content_type, tmd::ContentType::Shared) {
+                if absolute == Some(true) {
+                    title_size += record.content_size as usize;
+                }
+            }
+            else {
+                title_size += record.content_size as usize;
+            }
+        }
+        Ok(title_size)
+    }
+    
+    /// Gets the installed size of the title, in blocks. Use the optional parameter "absolute" to
+    /// set whether shared content should be included in this total or not.
+    pub fn title_size_blocks(&self, absolute: Option<bool>) -> Result<usize, TitleError> {
+        let title_size_bytes = self.title_size(absolute)?;
+        Ok((title_size_bytes as f64 / 131072.0).ceil() as usize)
+    }
+    
     pub fn cert_chain(&self) -> Vec<u8> {
         self.cert_chain.clone()
     }
diff --git a/src/title/tmd.rs b/src/title/tmd.rs
index a72195a..20c0378 100644
--- a/src/title/tmd.rs
+++ b/src/title/tmd.rs
@@ -289,7 +289,7 @@ impl TMD {
         }
         Ok(())
     }
-    
+
     pub fn region(&self) -> &str {
         match self.region {
             0 => "JPN",
@@ -300,7 +300,7 @@ impl TMD {
             _ => "Unknown",
         }
     }
-    
+
     pub fn title_type(&self) -> TitleType {
         match hex::encode(self.title_id)[..8].to_string().as_str() {
             "00000001" => TitleType::System,
@@ -313,7 +313,7 @@ impl TMD {
             _ => TitleType::Unknown,
         }
     }
-    
+
     pub fn content_type(&self, index: usize) -> ContentType {
         // Find possible content indices, because the provided one could exist while the indices
         // are out of order, which could cause problems finding the content.
@@ -329,8 +329,8 @@ impl TMD {
             ContentType::DLC => ContentType::DLC,
             ContentType::Shared => ContentType::Shared,
         }
-    } 
-    
+    }
+
     pub fn check_access_right(&self, right: AccessRight) -> bool {
         match right {
             AccessRight::AHB => (self.access_rights & (1 << 0)) != 0,