diff --git a/ByteUnits.hs b/ByteUnits.hs
new file mode 100644
--- /dev/null
+++ b/ByteUnits.hs
@@ -0,0 +1,30 @@
+module ByteUnits where
+
+import Safe
+
+data ByteUnit = Bytes | KiloBytes | MegaBytes | GigaBytes | TeraBytes | PetaBytes | ExaBytes deriving (Show, Eq)
+
+getUnits :: ByteUnit -> Float -> Float
+getUnits bytesUnit bytes = case bytesUnit of
+  Bytes -> bytes
+  KiloBytes -> bytes / (1024 ** 1)
+  MegaBytes -> bytes / (1024 ** 2)
+  GigaBytes -> bytes / (1024 ** 3)
+  TeraBytes -> bytes / (1024 ** 4)
+  PetaBytes -> bytes / (1024 ** 4)
+  ExaBytes  -> bytes / (1024 ** 5)
+
+-- | Rounds up to the highest unit provided it's > 1
+--
+-- >>> getAppropriateUnits 1024
+-- (KiloBytes,1.0)
+--
+-- >>> getAppropriateUnits (3.5 * 1024* 1024)
+-- (MegaBytes,3.5)
+getAppropriateUnits :: Float -> (ByteUnit, Float)
+getAppropriateUnits bytes = do
+  let units = fmap (\bu -> (bu, getUnits bu bytes)) [Bytes, KiloBytes, MegaBytes, GigaBytes, TeraBytes, PetaBytes, ExaBytes]
+  let appropriateUnits = filter (((<=) 1.0) . snd)  units
+  case (lastMay appropriateUnits) of
+    Just (x) -> x
+    Nothing -> (Bytes, bytes)
diff --git a/ChangeLog.md b/ChangeLog.md
new file mode 100644
--- /dev/null
+++ b/ChangeLog.md
@@ -0,0 +1,5 @@
+# Revision history for app
+
+## 0.1.0.0  -- YYYY-mm-dd
+
+* First version. Released on an unsuspecting world.
diff --git a/LICENSE b/LICENSE
new file mode 100644
--- /dev/null
+++ b/LICENSE
@@ -0,0 +1,30 @@
+Copyright (c) 2017, Chris Stryczynski
+
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+    * Redistributions of source code must retain the above copyright
+      notice, this list of conditions and the following disclaimer.
+
+    * Redistributions in binary form must reproduce the above
+      copyright notice, this list of conditions and the following
+      disclaimer in the documentation and/or other materials provided
+      with the distribution.
+
+    * Neither the name of Chris Stryczynski nor the names of other
+      contributors may be used to endorse or promote products derived
+      from this software without specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
diff --git a/Setup.hs b/Setup.hs
new file mode 100644
--- /dev/null
+++ b/Setup.hs
@@ -0,0 +1,2 @@
+import Distribution.Simple
+main = defaultMain
diff --git a/byteunits.cabal b/byteunits.cabal
new file mode 100644
--- /dev/null
+++ b/byteunits.cabal
@@ -0,0 +1,32 @@
+name:                byteunits
+version:             0.1.0.0
+description:         Human friendly conversion between byte units (KB, MB, GB...)
+synopsis:            Human friendly conversion between byte units (KB, MB, GB...)
+license:             BSD3
+license-file:        LICENSE
+author:              CabalSaneDefault
+maintainer:          nobody
+category:            Library
+build-type:          Simple
+extra-source-files:  ChangeLog.md
+cabal-version:       >=1.10
+source-repository head
+  type:     git
+  location: https://github.com/chrissound/byteunits
+
+library
+  default-language: Haskell2010
+  exposed-modules: ByteUnits
+  build-depends:       base >=4.9 && <4.10
+                       , safe == 0.3.15
+  default-language:    Haskell2010
+
+Test-Suite testing-example
+    default-language: Haskell2010
+    Type:          exitcode-stdio-1.0
+    Main-is:       Tests.hs
+    hs-source-dirs: tests
+    build-depends: base
+                 , Cabal
+                 , QuickCheck
+                 , byteunits
diff --git a/tests/Tests.hs b/tests/Tests.hs
new file mode 100644
--- /dev/null
+++ b/tests/Tests.hs
@@ -0,0 +1,13 @@
+module Main where
+
+import Test.QuickCheck (quickCheck)
+import ByteUnits
+
+main = do
+  quickCheck (getUnits KiloBytes 1024 == 1.0)
+  quickCheck (getUnits KiloBytes 2048 == 2.0)
+  quickCheck (getUnits MegaBytes (1024 * 1024) == 1.0)
+  quickCheck (getUnits MegaBytes (3 * 1024 * 1024) == 3.0)
+  quickCheck (getAppropriateUnits (3 * 1024 * 1024) == (MegaBytes, 3.0))
+  quickCheck (getAppropriateUnits (125) == (Bytes, 125.0))
+  quickCheck (getAppropriateUnits (125) /= (MegaBytes, 3.0))