diff --git a/power-supply/record_manager.cpp b/power-supply/record_manager.cpp
index bfc2f17..7492dd3 100644
--- a/power-supply/record_manager.cpp
+++ b/power-supply/record_manager.cpp
@@ -13,6 +13,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+#include <math.h>
 #include "record_manager.hpp"
 
 namespace witherspoon
@@ -22,6 +23,31 @@
 namespace history
 {
 
+int64_t RecordManager::linearToInteger(uint16_t data)
+{
+    //The exponent is the first 5 bits, followed by 11 bits of mantissa.
+    int8_t exponent = (data & 0xF800) >> 11;
+    int16_t mantissa = (data & 0x07FF);
+
+    //If exponent's MSB on, then it's negative.
+    //Convert from two's complement.
+    if (exponent & 0x10)
+    {
+        exponent = (~exponent) & 0x1F;
+        exponent = (exponent + 1) * -1;
+    }
+
+    //If mantissa's MSB on, then it's negative.
+    //Convert from two's complement.
+    if (mantissa & 0x400)
+    {
+        mantissa = (~mantissa) & 0x07FF;
+        mantissa = (mantissa + 1) * -1;
+    }
+
+    auto value = static_cast<float>(mantissa) * pow(2, exponent);
+    return value;
+}
 
 }
 }
diff --git a/power-supply/record_manager.hpp b/power-supply/record_manager.hpp
index fe35db0..09b55f9 100644
--- a/power-supply/record_manager.hpp
+++ b/power-supply/record_manager.hpp
@@ -73,6 +73,19 @@
         }
 
         /**
+         * @brief Converts a Linear Format power number to an integer
+         *
+         * The PMBus spec describes a 2 byte Linear Format
+         * number that is composed of an exponent and mantissa
+         * in two's complement notation.
+         *
+         * Value = Mantissa * 2**Exponent
+         *
+         * @return int64_t the converted value
+         */
+        static int64_t linearToInteger(uint16_t data);
+
+        /**
          * @brief Returns the number of records
          *
          * @return size_t - the number of records