diff --git a/.coveragerc b/.coveragerc
new file mode 100644
index 0000000..f28644f
--- /dev/null
+++ b/.coveragerc
@@ -0,0 +1,4 @@
+[run]
+branch = true
+source = nrrd
+omit = nrrd/tests/*
diff --git a/.gitignore b/.gitignore
index a457871..dd13bb3 100644
--- a/.gitignore
+++ b/.gitignore
@@ -7,3 +7,6 @@ MANIFEST
 
 # Sphinx documentation
 docs/build/
+
+# coverage.py files
+.coverage
\ No newline at end of file
diff --git a/.travis.yml b/.travis.yml
index 5ea64b0..a7a68f8 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -7,9 +7,10 @@ python:
 # Command to install dependencies
 install:
   - pip install -r requirements.txt
+  - pip install codecov
 
 # Command to run tests
-script: python -m unittest discover -v nrrd/tests
+script: coverage run -m unittest discover -v nrrd/tests
 
 # Command to deploy releases to PyPi
 deploy:
@@ -22,3 +23,5 @@ deploy:
     tags: true
     python: 3.4
 
+after_success:
+  - codecov
diff --git a/README.rst b/README.rst
index 345fc5d..93924b4 100644
--- a/README.rst
+++ b/README.rst
@@ -18,6 +18,9 @@
     :target: https://pynrrd.readthedocs.io/en/latest/?badge=latest
     :alt: Documentation Status
 
+.. image:: https://codecov.io/gh/mhe/pynrrd/branch/master/graph/badge.svg
+  :target: https://codecov.io/gh/mhe/pynrrd
+
 |
 
 pynrrd