diff --git a/doc/src/pair_tersoff_mod.rst b/doc/src/pair_tersoff_mod.rst
index 7c969ad490..333f4a21bc 100644
--- a/doc/src/pair_tersoff_mod.rst
+++ b/doc/src/pair_tersoff_mod.rst
@@ -74,7 +74,7 @@ formulation of the V_ij term, where it contains an additional c0 term.
 
 .. math::
 
-   V_{ij}  & = f_C(r_{ij}) \left[ f_R(r_{ij}) + b_{ij} f_A(r_{ij}) + c_0 \right]
+   V_{ij}  = f_C(r_{ij}) \left[ f_R(r_{ij}) + b_{ij} f_A(r_{ij}) + c_0 \right]
 
 The modified cutoff function :math:`f_C` proposed by :ref:`(Murty) <Murty>` and
 having a continuous second-order differential is employed. The
diff --git a/src/MANYBODY/pair_tersoff_mod.cpp b/src/MANYBODY/pair_tersoff_mod.cpp
index 441ba6f21e..6a60b0855c 100644
--- a/src/MANYBODY/pair_tersoff_mod.cpp
+++ b/src/MANYBODY/pair_tersoff_mod.cpp
@@ -53,9 +53,14 @@ void PairTersoffMOD::read_file(char *file)
   // open file on proc 0
 
   if (comm->me == 0) {
-    PotentialFileReader reader(lmp, file, "Tersoff");
+    PotentialFileReader reader(lmp, file, "TersoffMod", unit_convert_flag);
     char * line;
 
+    // transparently convert units for supported conversions
+
+    int unit_convert = reader.get_unit_convert();
+    double conversion_factor = utils::get_conversion_factor(utils::ENERGY,
+                                                            unit_convert);
     while((line = reader.next_line(NPARAMS_PER_LINE))) {
       try {
         ValueTokenizer values(line);
@@ -109,6 +114,11 @@ void PairTersoffMOD::read_file(char *file)
         params[nparams].c4         = values.next_double();
         params[nparams].c5         = values.next_double();
         params[nparams].powermint = int(params[nparams].powerm);
+
+        if (unit_convert) {
+          params[nparams].biga *= conversion_factor;
+          params[nparams].bigb *= conversion_factor;
+        }
       } catch (TokenizerException & e) {
         error->one(FLERR, e.what());
       }
diff --git a/src/MANYBODY/pair_tersoff_mod_c.cpp b/src/MANYBODY/pair_tersoff_mod_c.cpp
index 33e88c70b8..da14463112 100644
--- a/src/MANYBODY/pair_tersoff_mod_c.cpp
+++ b/src/MANYBODY/pair_tersoff_mod_c.cpp
@@ -44,9 +44,14 @@ void PairTersoffMODC::read_file(char *file)
   // open file on proc 0
 
   if (comm->me == 0) {
-    PotentialFileReader reader(lmp, file, "Tersoff");
+    PotentialFileReader reader(lmp, file, "TersoffModC", unit_convert_flag);
     char * line;
 
+    // transparently convert units for supported conversions
+
+    int unit_convert = reader.get_unit_convert();
+    double conversion_factor = utils::get_conversion_factor(utils::ENERGY,
+                                                            unit_convert);
     while((line = reader.next_line(NPARAMS_PER_LINE))) {
       try {
         ValueTokenizer values(line);
@@ -101,6 +106,12 @@ void PairTersoffMODC::read_file(char *file)
         params[nparams].c5         = values.next_double();
         params[nparams].c0         = values.next_double();
         params[nparams].powermint = int(params[nparams].powerm);
+
+        if (unit_convert) {
+          params[nparams].biga *= conversion_factor;
+          params[nparams].bigb *= conversion_factor;
+          params[nparams].c0   *= conversion_factor;
+        }
       } catch (TokenizerException & e) {
         error->one(FLERR, e.what());
       }
diff --git a/unittest/formats/test_pair_unit_convert.cpp b/unittest/formats/test_pair_unit_convert.cpp
index e77d7e535b..4cf0166f6c 100644
--- a/unittest/formats/test_pair_unit_convert.cpp
+++ b/unittest/formats/test_pair_unit_convert.cpp
@@ -214,6 +214,91 @@ TEST_F(PairUnitConvertTest, tersoff)
             EXPECT_NEAR(ev_convert * fold[i][j], f[i][j], fabs(f[i][j] * rel_error));
 }
 
+TEST_F(PairUnitConvertTest, tersoff_mod)
+{
+    // check if the prerequisite pair style is available
+    if (!info->has_style("pair", "tersoff/mod")) GTEST_SKIP();
+
+    if (!verbose) ::testing::internal::CaptureStdout();
+    lmp->input->one("units metal");
+    lmp->input->one("read_data test_pair_unit_convert.data");
+    lmp->input->one("pair_style tersoff/mod");
+    lmp->input->one("pair_coeff * * Si.tersoff.mod Si Si");
+    lmp->input->one("run 0 post no");
+    if (!verbose) ::testing::internal::GetCapturedStdout();
+
+    // copy pressure, energy, and force from first step
+    double pold;
+    lmp->output->thermo->evaluate_keyword("press", &pold);
+    double eold = lmp->force->pair->eng_vdwl + lmp->force->pair->eng_coul;
+    double **f  = lmp->atom->f;
+    for (int i = 0; i < 4; ++i)
+        for (int j = 0; j < 3; ++j)
+            fold[i][j] = f[i][j];
+
+    if (!verbose) ::testing::internal::CaptureStdout();
+    lmp->input->one("clear");
+    lmp->input->one("units real");
+    lmp->input->one("read_data test_pair_unit_convert.data");
+    lmp->input->one("pair_style tersoff/mod");
+    lmp->input->one("pair_coeff * * Si.tersoff.mod Si Si");
+    lmp->input->one("run 0 post no");
+    if (!verbose) ::testing::internal::GetCapturedStdout();
+
+    double pnew;
+    lmp->output->thermo->evaluate_keyword("press", &pnew);
+    EXPECT_NEAR(pold, p_convert * pnew, fabs(pnew * rel_error));
+    double enew = lmp->force->pair->eng_vdwl + lmp->force->pair->eng_coul;
+    EXPECT_NEAR(ev_convert * eold, enew, fabs(enew * rel_error));
+
+    f = lmp->atom->f;
+    for (int i = 0; i < 4; ++i)
+        for (int j = 0; j < 3; ++j)
+            EXPECT_NEAR(ev_convert * fold[i][j], f[i][j], fabs(f[i][j] * rel_error));
+}
+TEST_F(PairUnitConvertTest, tersoff_mod_c)
+{
+    // check if the prerequisite pair style is available
+    if (!info->has_style("pair", "tersoff/mod/c")) GTEST_SKIP();
+
+    if (!verbose) ::testing::internal::CaptureStdout();
+    lmp->input->one("units metal");
+    lmp->input->one("read_data test_pair_unit_convert.data");
+    lmp->input->one("pair_style tersoff/mod/c");
+    lmp->input->one("pair_coeff * * Si.tersoff.modc Si Si");
+    lmp->input->one("run 0 post no");
+    if (!verbose) ::testing::internal::GetCapturedStdout();
+
+    // copy pressure, energy, and force from first step
+    double pold;
+    lmp->output->thermo->evaluate_keyword("press", &pold);
+    double eold = lmp->force->pair->eng_vdwl + lmp->force->pair->eng_coul;
+    double **f  = lmp->atom->f;
+    for (int i = 0; i < 4; ++i)
+        for (int j = 0; j < 3; ++j)
+            fold[i][j] = f[i][j];
+
+    if (!verbose) ::testing::internal::CaptureStdout();
+    lmp->input->one("clear");
+    lmp->input->one("units real");
+    lmp->input->one("read_data test_pair_unit_convert.data");
+    lmp->input->one("pair_style tersoff/mod/c");
+    lmp->input->one("pair_coeff * * Si.tersoff.modc Si Si");
+    lmp->input->one("run 0 post no");
+    if (!verbose) ::testing::internal::GetCapturedStdout();
+
+    double pnew;
+    lmp->output->thermo->evaluate_keyword("press", &pnew);
+    EXPECT_NEAR(pold, p_convert * pnew, fabs(pnew * rel_error));
+    double enew = lmp->force->pair->eng_vdwl + lmp->force->pair->eng_coul;
+    EXPECT_NEAR(ev_convert * eold, enew, fabs(enew * rel_error));
+
+    f = lmp->atom->f;
+    for (int i = 0; i < 4; ++i)
+        for (int j = 0; j < 3; ++j)
+            EXPECT_NEAR(ev_convert * fold[i][j], f[i][j], fabs(f[i][j] * rel_error));
+}
+
 TEST_F(PairUnitConvertTest, tersoff_table)
 {
     // check if the prerequisite pair style is available