diff --git a/README.md b/README.md
index 21d9cee..ac8e12c 100644
--- a/README.md
+++ b/README.md
@@ -60,3 +60,11 @@ Mock contracts are used to improve the testing of smart contracts. As they are o
 ```bash
 truffle run contract-size --ignoreMocks
 ```
+
+### Show total size
+
+You can show the total size of all the contracts specified by running
+
+```bash 
+truffle run contract-size --showTotal
+```
\ No newline at end of file
diff --git a/package.json b/package.json
index f28c367..b96b568 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "truffle-contract-size",
-  "version": "2.0.1",
+  "version": "2.0.2",
   "description": "Displays the size of a truffle contracts in kilobytes",
   "main": "src/index.js",
   "scripts": {
diff --git a/src/index.js b/src/index.js
index 7bdb4f9..e087377 100644
--- a/src/index.js
+++ b/src/index.js
@@ -21,7 +21,7 @@ module.exports = async (config, done) => {
   yargs.parse(process.argv.slice(3))
 
   const contractNames = yargs.argv.contracts
-  const { checkMaxSize, ignoreMocks } = yargs.argv
+  const { checkMaxSize, ignoreMocks, showTotal } = yargs.argv
 
   if (!isValidCheckMaxSize(checkMaxSize)) {
     done(`--checkMaxSize: invalid value ${checkMaxSize}`)
@@ -35,6 +35,8 @@ module.exports = async (config, done) => {
   // array of objects of {file: path to file, name: name of the contract}
   const contracts = await getContracts(config, contractNames, ignoreMocks, done)
 
+  let total = 0
+
   const contractPromises = contracts.map(async (contract) => {
     await checkFile(contract.file, done)
 
@@ -43,6 +45,7 @@ module.exports = async (config, done) => {
     if (!('deployedBytecode' in contractFile)) {
       done(`Error: deployedBytecode not found in ${contract.file} (it is not a contract json file)`)
     }
+    total += computeByteCodeSizeInKiB(contractFile.deployedBytecode)
 
     const byteCodeSize = computeByteCodeSizeInKiB(contractFile.deployedBytecode)
 
@@ -54,6 +57,18 @@ module.exports = async (config, done) => {
 
   await Promise.all(contractPromises)
 
+  if (showTotal) {
+    table.push([
+      '-',
+      '-'
+    ])
+
+    table.push([
+      'Total',
+      formatByteCodeSize(total)
+    ])
+  }
+
   console.log(table.toString())
 
   if (checkMaxSize) {