diff --git a/src/constants/test-constants.js b/src/constants/test-constants.js
index 9c12748..5e56456 100644
--- a/src/constants/test-constants.js
+++ b/src/constants/test-constants.js
@@ -12,7 +12,7 @@ export const ONEBYTE = {
 export const SWDV3 = {
   MILLION_GREY: 0.38998,
   MILLION_GREEN: 0.33756,
-  MILLION_PERVISIT_GREY: 0.29443,
+  MILLION_PERVISIT_GREY: 0.29455,
   MILLION_PERVISIT_GREEN: 0.25451,
 
   TGWF_GREY_VALUE: 0.27980,
@@ -25,13 +25,13 @@ export const SWDV3 = {
   MILLION_GREEN_DATACENTERS: 0.00607,
   MILLION_GREY_PRODUCTION: 0.07399,
 
-  MILLION_PERVISIT_GREY_DEVICE_GRID_INTENSITY_CHANGE: 0.34827,
+  MILLION_PERVISIT_GREY_DEVICE_GRID_INTENSITY_CHANGE: 0.3463,
   MILLION_PERVISIT_GREY_DATACENTER_GRID_INTENSITY_CHANGE:  0.30996,
   MILLION_PERVISIT_GREY_NETWORK_GRID_INTENSITY_CHANGE: 0.30893,
 
-  MILLION_PERBYTE_GREY_DEVICE_GRID_INTENSITY_CHANGE: 0.46130,
-  MILLION_PERBYTE_GREY_DATACENTER_GRID_INTENSITY_CHANGE: 0.41055,
-  MILLION_PERBYTE_GREY_NETWORK_GRID_INTENSITY_CHANGE: 0.40918,
+  MILLION_PERBYTE_GREY_DEVICE_GRID_INTENSITY_CHANGE: 0.4587,
+  MILLION_PERBYTE_GREY_DATACENTER_GRID_INTENSITY_CHANGE: 0.40991,
+  MILLION_PERBYTE_GREY_NETWORK_GRID_INTENSITY_CHANGE: 0.40859,
 
   MILLION_PERVISIT_GREY_DEVICES_FIRST: 0.15188,
   MILLION_PERVISIT_GREY_DEVICES_SECOND: 0.00092,
diff --git a/src/sustainable-web-design-v3.test.js b/src/sustainable-web-design-v3.test.js
index 14c716f..2cd189a 100644
--- a/src/sustainable-web-design-v3.test.js
+++ b/src/sustainable-web-design-v3.test.js
@@ -99,7 +99,7 @@ describe("sustainable web design model version 3", () => {
   describe("emissionsPerVisitInGrams", () => {
     it("should calculate the correct co2 per visit", () => {
       const energy = swd.energyPerVisit(averageWebsiteInBytes);
-      expect(swd.emissionsPerVisitInGrams(energy)).toEqual(0.66);
+      expect(swd.emissionsPerVisitInGrams(energy)).toEqual(0.67);
     });
 
     it("should accept a dynamic KwH value", () => {