diff --git a/README.md b/README.md
index 77f3cc8..7f5cfd1 100644
--- a/README.md
+++ b/README.md
@@ -70,6 +70,7 @@ import { nameOfMacro } from 'ember-awesome-macros';
 * [`equal`](#equal)
 * [`gt`](#gt)
 * [`gte`](#gte)
+* [`instanceOf`](#instanceof)
 * [`lt`](#lt)
 * [`lte`](#lte)
 
@@ -88,6 +89,7 @@ import { nameOfMacro } from 'ember-awesome-macros';
 ##### Object
 * [`getBy`](#getby)
 * [`hash`](#hash)
+* [`typeOf`](#typeof)
 
 ##### Math
 * [`math`](#math)
@@ -419,6 +421,17 @@ value1: indexOf('array', 2), // 0
 value2: indexOf('array', 2, 2) // 3
 ```
 
+##### `instanceOf`
+wraps [`instanceof`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Operators/instanceof) operator
+
+```js
+key1: {},
+key2: false,
+key3: '',
+value1: instanceOf('key1', Object), // true
+value2: instanceOf(or('key2', 'key3'), String) // true
+```
+
 ##### `isAny`
 wraps [`Ember.Enumerable.isAny`](http://emberjs.com/api/classes/Ember.Enumerable.html#method_isAny), allows composing
 
@@ -790,6 +803,17 @@ originalValue: 'TestString',
 newValue: toUpper('originalValue') // 'TESTSTRING'
 ```
 
+##### `typeOf`
+wraps [`typeOf`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Operators/typeOf) operator
+
+```js
+key1: {},
+key2: false,
+key3: '',
+value1: typeOf('key1'), // 'object'
+value2: typeOf(or('key2', 'key3')) // 'string'
+```
+
 ##### `underscore`
 wraps [`Ember.String.underscore`](http://emberjs.com/api/classes/Ember.String.html#method_underscore), allows composing
 
diff --git a/addon/index.js b/addon/index.js
index 9dfe86c..c8e3fe8 100644
--- a/addon/index.js
+++ b/addon/index.js
@@ -30,6 +30,7 @@ export { default as hash } from './hash';
 export { default as htmlSafe } from './html-safe';
 export { default as includes } from './includes';
 export { default as indexOf } from './index-of';
+export { default as instanceOf } from './instance-of';
 export { default as isAny } from './is-any';
 export { default as isEvery } from './is-every';
 export { default as isHtmlSafe } from './is-html-safe';
@@ -64,6 +65,7 @@ export { default as sum } from './sum';
 export { default as tag } from './tag';
 export { default as toLower } from './to-lower';
 export { default as toUpper } from './to-upper';
+export { default as typeOf } from './type-of';
 export { default as underscore } from './underscore';
 export { default as uniqBy } from './uniq-by';
 export { default as uniq } from './uniq';
diff --git a/addon/instance-of.js b/addon/instance-of.js
new file mode 100644
index 0000000..3b52d7b
--- /dev/null
+++ b/addon/instance-of.js
@@ -0,0 +1,10 @@
+import computed from './computed';
+
+export default function(...keys) {
+  return computed(...keys, (object, constructor) => {
+    if (constructor === undefined) {
+      return undefined;
+    }
+    return object instanceof constructor;
+  });
+}
diff --git a/addon/type-of.js b/addon/type-of.js
new file mode 100644
index 0000000..a1a47c4
--- /dev/null
+++ b/addon/type-of.js
@@ -0,0 +1,7 @@
+import computed from './computed';
+
+export default function(...keys) {
+  return computed(...keys, object => {
+    return typeof object;
+  });
+}
diff --git a/tests/integration/instance-of-test.js b/tests/integration/instance-of-test.js
new file mode 100644
index 0000000..a728f0e
--- /dev/null
+++ b/tests/integration/instance-of-test.js
@@ -0,0 +1,45 @@
+import { instanceOf, raw } from 'ember-awesome-macros';
+import { module, test } from 'qunit';
+import compute from '../helpers/compute';
+
+module('Integration | Macro | instance of');
+
+test('lookup: object is instance of Object', function(assert) {
+  compute({
+    assert,
+    computed: instanceOf('key1', 'key2'),
+    properties: {
+      key1: {},
+      key2: Object
+    },
+    expected: true
+  });
+});
+
+test('lookup: object is not instance of String', function(assert) {
+  compute({
+    assert,
+    computed: instanceOf('key1', 'key2'),
+    properties: {
+      key1: {},
+      key2: String
+    },
+    expected: false
+  });
+});
+
+test('value: object is instance of Object', function(assert) {
+  compute({
+    assert,
+    computed: instanceOf({}, Object),
+    expected: true
+  });
+});
+
+test('composing: object is instance of Object', function(assert) {
+  compute({
+    assert,
+    computed: instanceOf(raw({}), raw(Object)),
+    expected: true
+  });
+});
diff --git a/tests/integration/type-of-test.js b/tests/integration/type-of-test.js
new file mode 100644
index 0000000..8aa6bd9
--- /dev/null
+++ b/tests/integration/type-of-test.js
@@ -0,0 +1,32 @@
+import { typeOf, raw } from 'ember-awesome-macros';
+import { module, test } from 'qunit';
+import compute from '../helpers/compute';
+
+module('Integration | Macro | type of');
+
+test('lookup: object is type of object', function(assert) {
+  compute({
+    assert,
+    computed: typeOf('key1'),
+    properties: {
+      key1: {}
+    },
+    expected: 'object'
+  });
+});
+
+test('value: object is type of object', function(assert) {
+  compute({
+    assert,
+    computed: typeOf({}),
+    expected: 'object'
+  });
+});
+
+test('composing: object is type of object', function(assert) {
+  compute({
+    assert,
+    computed: typeOf(raw({})),
+    expected: 'object'
+  });
+});