diff --git a/types/js-roman-numerals/index.d.ts b/types/js-roman-numerals/index.d.ts
new file mode 100644
index 0000000000..3127eba388
--- /dev/null
+++ b/types/js-roman-numerals/index.d.ts
@@ -0,0 +1,13 @@
+// Type definitions for js-roman-numerals 1.1
+// Project: https://github.com/bcotrim/roman-numerals
+// Definitions by: Ricardo Mello <https://github.com/ricardo-mello>
+// Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
+// TypeScript Version: 3.5
+
+declare class RomanNumeral {
+    constructor(value: number | string);
+    toInt(): number;
+    toString(): string;
+}
+
+export = RomanNumeral;
diff --git a/types/js-roman-numerals/js-roman-numerals-tests.ts b/types/js-roman-numerals/js-roman-numerals-tests.ts
new file mode 100644
index 0000000000..bbda7595d8
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+++ b/types/js-roman-numerals/js-roman-numerals-tests.ts
@@ -0,0 +1,12 @@
+import RomanNumeral = require('js-roman-numerals');
+
+function constructorTests() {
+    const x = new RomanNumeral(10); // '10' | 'X'
+    const y = new RomanNumeral('V'); // '5' | 'V'
+}
+
+function functionTests() {
+    const x = new RomanNumeral(10);
+    const y: number = x.toInt();
+    const z: string = x.toString();
+}
diff --git a/types/js-roman-numerals/tsconfig.json b/types/js-roman-numerals/tsconfig.json
new file mode 100644
index 0000000000..2852d754ce
--- /dev/null
+++ b/types/js-roman-numerals/tsconfig.json
@@ -0,0 +1,16 @@
+{
+    "compilerOptions": {
+        "module": "commonjs",
+        "lib": ["es6"],
+        "noImplicitAny": true,
+        "noImplicitThis": true,
+        "strictNullChecks": true,
+        "strictFunctionTypes": true,
+        "baseUrl": "../",
+        "typeRoots": ["../"],
+        "types": [],
+        "noEmit": true,
+        "forceConsistentCasingInFileNames": true
+    },
+    "files": ["index.d.ts", "js-roman-numerals-tests.ts"]
+}
diff --git a/types/js-roman-numerals/tslint.json b/types/js-roman-numerals/tslint.json
new file mode 100644
index 0000000000..f93cf8562a
--- /dev/null
+++ b/types/js-roman-numerals/tslint.json
@@ -0,0 +1,3 @@
+{
+    "extends": "dtslint/dt.json"
+}