diff --git a/CMake/BuildPelePhysicsLib.cmake b/CMake/BuildPelePhysicsLib.cmake
index 433c7009..1e1d07af 100644
--- a/CMake/BuildPelePhysicsLib.cmake
+++ b/CMake/BuildPelePhysicsLib.cmake
@@ -69,6 +69,13 @@ function(build_pele_physics_lib pele_physics_lib_name)
     )
     target_include_directories(${pele_physics_lib_name} PUBLIC ${PELE_PHYSICS_UTILITY_DIR}/PMF)
 
+    target_sources(${pele_physics_lib_name}
+      PRIVATE
+        ${PELE_PHYSICS_UTILITY_DIR}/Utilities/Utilities.H
+        ${PELE_PHYSICS_UTILITY_DIR}/Utilities/UnitConversions.H
+    )
+    target_include_directories(${pele_physics_lib_name} PUBLIC ${PELE_PHYSICS_UTILITY_DIR}/Utilities)
+
     target_sources(${pele_physics_lib_name}
       PRIVATE
         ${AMREX_SUNDIALS_DIR}/AMReX_Sundials.H
diff --git a/Exec/Make.PeleLMeX b/Exec/Make.PeleLMeX
index e31ee739..258f0af8 100644
--- a/Exec/Make.PeleLMeX
+++ b/Exec/Make.PeleLMeX
@@ -127,6 +127,7 @@ ChemDir  = Mechanisms/$(Chemistry_Model)
 
 PPdirs := Source/Utility/PMF Source/Utility/TurbInflow Source/Utility/PltFileManager
 PPdirs += Source/Utility/Diagnostics Source/Utility/BlackBoxFunction
+PPdirs += Source/Utility/Utilities
 PPdirs += Source $(ChemDir) Source/Reactions Source/Eos Source/Transport
 Bpack += $(foreach dir, $(PPdirs), $(PELE_PHYSICS_HOME)/$(dir)/Make.package)
 Blocs += $(foreach dir, $(PPdirs), $(PELE_PHYSICS_HOME)/$(dir))
diff --git a/Source/PeleLMeX.H b/Source/PeleLMeX.H
index 0ac81e02..c2ccf6fa 100644
--- a/Source/PeleLMeX.H
+++ b/Source/PeleLMeX.H
@@ -21,6 +21,7 @@
 #include <PMFData.H>
 #include <turbinflow.H>
 #include <ReactorBase.H>
+#include <Utilities.H>
 
 // AMReX-Hydro lib
 #include <hydro_MacProjector.H>
diff --git a/Source/PeleLMeX_K.H b/Source/PeleLMeX_K.H
index c8c2e6e4..13f4a191 100644
--- a/Source/PeleLMeX_K.H
+++ b/Source/PeleLMeX_K.H
@@ -4,6 +4,9 @@
 #include <mechanism.H>
 #include <PelePhysics.H>
 
+namespace m2c = pele::physics::utilities::mks2cgs;
+namespace c2m = pele::physics::utilities::cgs2mks;
+
 template <typename EOSType>
 AMREX_GPU_DEVICE AMREX_FORCE_INLINE void
 getTransportCoeff(
@@ -47,7 +50,7 @@ getTransportCoeff(
   amrex::Real Wbar = 0.0_rt;
   eos.Y2WBAR(y, Wbar);
 
-  rho *= 1.0e-3_rt; // MKS -> CGS conversion
+  rho = m2c::Rho(rho); // MKS -> CGS conversion
   amrex::Real rhoDi_cgs[NUM_SPECIES] = {0.0};
   amrex::Real lambda_cgs = 0.0_rt;
   amrex::Real mu_cgs = 0.0_rt;
@@ -66,32 +69,32 @@ getTransportCoeff(
     chi_loc, mu_cgs, dummy_xi, lambda_cgs, trans_parm);
 
   // Do CGS -> MKS conversions
-  mu(i, j, k) = mu_cgs * 1.0e-1_rt;
+  mu(i, j, k) = c2m::Mu(mu_cgs);
   if (do_fixed_Pr && do_fixed_Le) { // fixed Pr and Le, transport all dependent
                                     // on visc
     amrex::Real cpmix = 0.0_rt;
     eos.TY2Cp(T(i, j, k), y, cpmix);
-    lambda(i, j, k) = PrInv * cpmix * mu_cgs * 1.0e-5_rt;
+    lambda(i, j, k) = PrInv * c2m::Cp(cpmix) * c2m::Mu(mu_cgs);
     amrex::Real ScInv = PrInv * LeInv;
     for (int n = 0; n < NUM_SPECIES; n++) {
-      rhoDi(i, j, k, n) = ScInv * mu_cgs * 1.0e-1_rt;
+      rhoDi(i, j, k, n) = ScInv * c2m::Mu(mu_cgs);
     }
   } else if (do_fixed_Pr) { // fixed Pr, still use species diffs
     amrex::Real cpmix = 0.0_rt;
     eos.TY2Cp(T(i, j, k), y, cpmix);
-    lambda(i, j, k) = PrInv * cpmix * mu_cgs * 1.0e-5_rt;
+    lambda(i, j, k) = PrInv * c2m::Cp(cpmix) * c2m::Mu(mu_cgs);
     for (int n = 0; n < NUM_SPECIES; n++) {
       rhoDi(i, j, k, n) = rhoDi_cgs[n] * Wbar * mwtinv[n] * 1.0e-1_rt;
     }
   } else if (do_fixed_Le) { // fixed Le, still use thermal cond
-    lambda(i, j, k) = lambda_cgs * 1.0e-5_rt;
+    lambda(i, j, k) = c2m::Lambda(lambda_cgs);
     amrex::Real cpmix = 0.0_rt;
     eos.TY2Cp(T(i, j, k), y, cpmix);
     for (int n = 0; n < NUM_SPECIES; n++) {
       rhoDi(i, j, k, n) = lambda_cgs * 1.0e-1_rt * LeInv / cpmix;
     }
   } else { // full MA model, with Soret if needed
-    lambda(i, j, k) = lambda_cgs * 1.0e-5_rt;
+    lambda(i, j, k) = c2m::Lambda(lambda_cgs);
     for (int n = 0; n < NUM_SPECIES; n++) {
       rhoDi(i, j, k, n) = rhoDi_cgs[n] * Wbar * mwtinv[n] * 1.0e-1_rt;
       if (do_soret) {
diff --git a/Submodules/PelePhysics b/Submodules/PelePhysics
index fe205d80..d7fffee5 160000
--- a/Submodules/PelePhysics
+++ b/Submodules/PelePhysics
@@ -1 +1 @@
-Subproject commit fe205d80773d191231883effccb1c519631bee3e
+Subproject commit d7fffee5c62f04850d1e8340ac34931930387381