diff --git a/types/estimate/estimate-tests.ts b/types/estimate/estimate-tests.ts
new file mode 100644
index 0000000000..2f243c5482
--- /dev/null
+++ b/types/estimate/estimate-tests.ts
@@ -0,0 +1,28 @@
+import { element, text } from 'estimate';
+
+function assertType<T>(value: T): T {
+    return value;
+}
+
+element(document.body);
+element(document.createElement('article'));
+element(document.createElement('article'), {});
+const estimate = element(document.createElement('article'), {
+    speed: 300,
+    spaces: /\W+/g,
+});
+
+assertType<number>(estimate.progress);
+assertType<number>(estimate.remaining);
+assertType<number>(estimate.total);
+estimate.update();
+estimate.initialize();
+
+text('text');
+text('text', {});
+text('text', {
+    speed: 300,
+    spaces: /\W+/g,
+});
+
+assertType<number>(text('text'));
diff --git a/types/estimate/index.d.ts b/types/estimate/index.d.ts
new file mode 100644
index 0000000000..754bdc19f0
--- /dev/null
+++ b/types/estimate/index.d.ts
@@ -0,0 +1,21 @@
+// Type definitions for estimate 1.0
+// Project: https://github.com/bevacqua/estimate
+// Definitions by: Luis Rodrigues <https://github.com/goblindegook>
+// Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
+
+export interface Options {
+    speed?: number;
+    spaces?: RegExp;
+}
+
+export interface Estimate {
+    progress: number;
+    remaining: number;
+    total: number;
+    update(): void;
+    initialize(): void;
+}
+
+export function element(element: HTMLElement, options?: Options): Estimate;
+
+export function text(text: string, options?: Options): number;
diff --git a/types/estimate/tsconfig.json b/types/estimate/tsconfig.json
new file mode 100644
index 0000000000..e1cf3deda8
--- /dev/null
+++ b/types/estimate/tsconfig.json
@@ -0,0 +1,16 @@
+{
+    "compilerOptions": {
+        "module": "commonjs",
+        "lib": ["es6", "dom"],
+        "noImplicitAny": true,
+        "noImplicitThis": true,
+        "strictFunctionTypes": true,
+        "strictNullChecks": true,
+        "baseUrl": "../",
+        "typeRoots": ["../"],
+        "types": [],
+        "noEmit": true,
+        "forceConsistentCasingInFileNames": true
+    },
+    "files": ["index.d.ts", "estimate-tests.ts"]
+}
diff --git a/types/estimate/tslint.json b/types/estimate/tslint.json
new file mode 100644
index 0000000000..3db14f85ea
--- /dev/null
+++ b/types/estimate/tslint.json
@@ -0,0 +1 @@
+{ "extends": "dtslint/dt.json" }