diff --git a/src/index.js b/src/index.js
index 32e70cb..4d07b90 100644
--- a/src/index.js
+++ b/src/index.js
@@ -28,80 +28,81 @@
 var jasmineMatchers = require('jasmine-matchers-loader');
 
 var matchers = {
-    toBeAfter: require('./toBeAfter'),
-    toBeArray: require('./toBeArray'),
-    toBeArrayOfBooleans: require('./toBeArrayOfBooleans'),
-    toBeArrayOfNumbers: require('./toBeArrayOfNumbers'),
-    toBeArrayOfObjects: require('./toBeArrayOfObjects'),
-    toBeArrayOfSize: require('./toBeArrayOfSize'),
-    toBeArrayOfStrings: require('./toBeArrayOfStrings'),
-    toBeBefore: require('./toBeBefore'),
-    toBeBoolean: require('./toBeBoolean'),
-    toBeCalculable: require('./toBeCalculable'),
-    toBeDate: require('./toBeDate'),
-    toBeEmptyArray: require('./toBeEmptyArray'),
-    toBeEmptyObject: require('./toBeEmptyObject'),
-    toBeEmptyString: require('./toBeEmptyString'),
-    toBeEvenNumber: require('./toBeEvenNumber'),
-    toBeFalse: require('./toBeFalse'),
-    toBeFunction: require('./toBeFunction'),
-    toBeHtmlString: require('./toBeHtmlString'),
-    toBeIso8601: require('./toBeIso8601'),
-    toBeJsonString: require('./toBeJsonString'),
-    toBeLongerThan: require('./toBeLongerThan'),
-    toBeNonEmptyArray: require('./toBeNonEmptyArray'),
-    toBeNonEmptyObject: require('./toBeNonEmptyObject'),
-    toBeNonEmptyString: require('./toBeNonEmptyString'),
-    toBeNumber: require('./toBeNumber'),
-    toBeObject: require('./toBeObject'),
-    toBeOddNumber: require('./toBeOddNumber'),
-    toBeSameLengthAs: require('./toBeSameLengthAs'),
-    toBeShorterThan: require('./toBeShorterThan'),
-    toBeString: require('./toBeString'),
-    toBeTrue: require('./toBeTrue'),
-    toBeWhitespace: require('./toBeWhitespace'),
-    toBeWholeNumber: require('./toBeWholeNumber'),
-    toBeWithinRange: require('./toBeWithinRange'),
-    toEndWith: require('./toEndWith'),
-    toImplement: require('./toImplement'),
-    toStartWith: require('./toStartWith'),
-    toThrowAnyError: require('./toThrowAnyError'),
-    toThrowErrorOfType: require('./toThrowErrorOfType'),
-    toHaveArray: require('./toHaveArray'),
-    toHaveArrayOfBooleans: require('./toHaveArrayOfBooleans'),
-    toHaveArrayOfNumbers: require('./toHaveArrayOfNumbers'),
-    toHaveArrayOfObjects: require('./toHaveArrayOfObjects'),
-    toHaveArrayOfSize: require('./toHaveArrayOfSize'),
-    toHaveArrayOfStrings: require('./toHaveArrayOfStrings'),
-    toHaveBoolean: require('./toHaveBoolean'),
-    toHaveCalculable: require('./toHaveCalculable'),
-    toHaveDate: require('./toHaveDate'),
-    toHaveDateAfter: require('./toHaveDateAfter'),
-    toHaveDateBefore: require('./toHaveDateBefore'),
-    toHaveEmptyArray: require('./toHaveEmptyArray'),
-    toHaveEmptyObject: require('./toHaveEmptyObject'),
-    toHaveEmptyString: require('./toHaveEmptyString'),
-    toHaveEvenNumber: require('./toHaveEvenNumber'),
-    toHaveFalse: require('./toHaveFalse'),
-    toHaveHtmlString: require('./toHaveHtmlString'),
-    toHaveIso8601: require('./toHaveIso8601'),
-    toHaveJsonString: require('./toHaveJsonString'),
-    toHaveMember: require('./toHaveMember'),
-    toHaveMethod: require('./toHaveMethod'),
-    toHaveNonEmptyArray: require('./toHaveNonEmptyArray'),
-    toHaveNonEmptyObject: require('./toHaveNonEmptyObject'),
-    toHaveNonEmptyString: require('./toHaveNonEmptyString'),
-    toHaveNumber: require('./toHaveNumber'),
-    toHaveNumberWithinRange: require('./toHaveNumberWithinRange'),
-    toHaveObject: require('./toHaveObject'),
-    toHaveOddNumber: require('./toHaveOddNumber'),
-    toHaveString: require('./toHaveString'),
-    toHaveStringLongerThan: require('./toHaveStringLongerThan'),
-    toHaveStringSameLengthAs: require('./toHaveStringSameLengthAs'),
-    toHaveStringShorterThan: require('./toHaveStringShorterThan'),
-    toHaveTrue: require('./toHaveTrue'),
-    toHaveWhitespaceString: require('./toHaveWhitespaceString'),
-    toHaveWholeNumber: require('./toHaveWholeNumber')
+  toBeAfter: require('./toBeAfter'),
+  toBeArray: require('./toBeArray'),
+  toBeArrayOfBooleans: require('./toBeArrayOfBooleans'),
+  toBeArrayOfNumbers: require('./toBeArrayOfNumbers'),
+  toBeArrayOfObjects: require('./toBeArrayOfObjects'),
+  toBeArrayOfSize: require('./toBeArrayOfSize'),
+  toBeArrayOfStrings: require('./toBeArrayOfStrings'),
+  toBeBefore: require('./toBeBefore'),
+  toBeBoolean: require('./toBeBoolean'),
+  toBeCalculable: require('./toBeCalculable'),
+  toBeDate: require('./toBeDate'),
+  toBeEmptyArray: require('./toBeEmptyArray'),
+  toBeEmptyObject: require('./toBeEmptyObject'),
+  toBeEmptyString: require('./toBeEmptyString'),
+  toBeEvenNumber: require('./toBeEvenNumber'),
+  toBeFalse: require('./toBeFalse'),
+  toBeFunction: require('./toBeFunction'),
+  toBeHtmlString: require('./toBeHtmlString'),
+  toBeIso8601: require('./toBeIso8601'),
+  toBeJsonString: require('./toBeJsonString'),
+  toBeLessThanOrEqualTo: require('./toBeLessThanOrEqualTo'),
+  toBeLongerThan: require('./toBeLongerThan'),
+  toBeNonEmptyArray: require('./toBeNonEmptyArray'),
+  toBeNonEmptyObject: require('./toBeNonEmptyObject'),
+  toBeNonEmptyString: require('./toBeNonEmptyString'),
+  toBeNumber: require('./toBeNumber'),
+  toBeObject: require('./toBeObject'),
+  toBeOddNumber: require('./toBeOddNumber'),
+  toBeSameLengthAs: require('./toBeSameLengthAs'),
+  toBeShorterThan: require('./toBeShorterThan'),
+  toBeString: require('./toBeString'),
+  toBeTrue: require('./toBeTrue'),
+  toBeWhitespace: require('./toBeWhitespace'),
+  toBeWholeNumber: require('./toBeWholeNumber'),
+  toBeWithinRange: require('./toBeWithinRange'),
+  toEndWith: require('./toEndWith'),
+  toHaveArray: require('./toHaveArray'),
+  toHaveArrayOfBooleans: require('./toHaveArrayOfBooleans'),
+  toHaveArrayOfNumbers: require('./toHaveArrayOfNumbers'),
+  toHaveArrayOfObjects: require('./toHaveArrayOfObjects'),
+  toHaveArrayOfSize: require('./toHaveArrayOfSize'),
+  toHaveArrayOfStrings: require('./toHaveArrayOfStrings'),
+  toHaveBoolean: require('./toHaveBoolean'),
+  toHaveCalculable: require('./toHaveCalculable'),
+  toHaveDate: require('./toHaveDate'),
+  toHaveDateAfter: require('./toHaveDateAfter'),
+  toHaveDateBefore: require('./toHaveDateBefore'),
+  toHaveEmptyArray: require('./toHaveEmptyArray'),
+  toHaveEmptyObject: require('./toHaveEmptyObject'),
+  toHaveEmptyString: require('./toHaveEmptyString'),
+  toHaveEvenNumber: require('./toHaveEvenNumber'),
+  toHaveFalse: require('./toHaveFalse'),
+  toHaveHtmlString: require('./toHaveHtmlString'),
+  toHaveIso8601: require('./toHaveIso8601'),
+  toHaveJsonString: require('./toHaveJsonString'),
+  toHaveMember: require('./toHaveMember'),
+  toHaveMethod: require('./toHaveMethod'),
+  toHaveNonEmptyArray: require('./toHaveNonEmptyArray'),
+  toHaveNonEmptyObject: require('./toHaveNonEmptyObject'),
+  toHaveNonEmptyString: require('./toHaveNonEmptyString'),
+  toHaveNumber: require('./toHaveNumber'),
+  toHaveNumberWithinRange: require('./toHaveNumberWithinRange'),
+  toHaveObject: require('./toHaveObject'),
+  toHaveOddNumber: require('./toHaveOddNumber'),
+  toHaveString: require('./toHaveString'),
+  toHaveStringLongerThan: require('./toHaveStringLongerThan'),
+  toHaveStringSameLengthAs: require('./toHaveStringSameLengthAs'),
+  toHaveStringShorterThan: require('./toHaveStringShorterThan'),
+  toHaveTrue: require('./toHaveTrue'),
+  toHaveWhitespaceString: require('./toHaveWhitespaceString'),
+  toHaveWholeNumber: require('./toHaveWholeNumber'),
+  toImplement: require('./toImplement'),
+  toStartWith: require('./toStartWith'),
+  toThrowAnyError: require('./toThrowAnyError'),
+  toThrowErrorOfType: require('./toThrowErrorOfType')
 };
 
 jasmineMatchers.add(matchers);
diff --git a/src/toBeLessThanOrEqualTo.js b/src/toBeLessThanOrEqualTo.js
new file mode 100644
index 0000000..1ad0bef
--- /dev/null
+++ b/src/toBeLessThanOrEqualTo.js
@@ -0,0 +1,9 @@
+'use strict';
+
+var toBeNumber = require('./toBeNumber');
+
+module.exports = toBeLessThanOrEqualTo;
+
+function toBeLessThanOrEqualTo(otherNumber, actual) {
+  return toBeNumber(actual) && actual <= otherNumber;
+}
diff --git a/test/toBeLessThanOrEqualTo.spec.js b/test/toBeLessThanOrEqualTo.spec.js
new file mode 100644
index 0000000..ecfec8b
--- /dev/null
+++ b/test/toBeLessThanOrEqualTo.spec.js
@@ -0,0 +1,13 @@
+'use strict';
+
+describe('toBeLessThanOrEqualTo', function () {
+  it('asserts value is less or equal than a given number', function () {
+    expect(1).toBeLessThanOrEqualTo(2);
+    expect(-1).toBeLessThanOrEqualTo(1);
+    expect(-2).toBeLessThanOrEqualTo(-1);
+    expect(-2).toBeLessThanOrEqualTo(-2);
+    expect(NaN).not.toBeLessThanOrEqualTo(0);
+    expect(2).not.toBeLessThanOrEqualTo(1);
+    expect(0).not.toBeLessThanOrEqualTo(-1);
+  });
+});