diff --git a/calcFluidLevel.py b/calcFluidLevel.py
new file mode 100644
index 0000000..b6a557b
--- /dev/null
+++ b/calcFluidLevel.py
@@ -0,0 +1,8 @@
+
+def calcFluidLevel(intake_pressure, specific_gravity=1.011, ft_above_intake=0.0, pressure_offset=0.0):
+    fluid_level = (intake_pressure - pressure_offset) * (1.0 / 0.433) * (1.0 / specific_gravity) + ft_above_intake
+    return fluid_level
+
+def calcPressureAtLevel(fluid_level, specific_gravity=1.011, ft_above_intake=0.0, pressure_offset=0.0):
+    intake_pressure = 0.433 * specific_gravity * (fluid_level - ft_above_intake) + pressure_offset
+    return intake_pressure