diff --git a/app/models/case_log.rb b/app/models/case_log.rb
index 898dc44af..e68190e10 100644
--- a/app/models/case_log.rb
+++ b/app/models/case_log.rb
@@ -263,7 +263,7 @@ private
     self.totchild = get_totchild
     self.totelder = get_totelder
     self.totadult = get_totadult
-    self.tcharge = brent.to_i + scharge.to_i + pscharge.to_i + supcharg.to_i
+    self.tcharge = brent.to_f + scharge.to_f + pscharge.to_f + supcharg.to_f
     self.has_benefits = get_has_benefits
     self.nocharge = household_charge == "Yes" ? "No" : "Yes"
   end
diff --git a/app/webpacker/controllers/numeric_question_controller.js b/app/webpacker/controllers/numeric_question_controller.js
index 9bbdf6f9e..ae2830750 100644
--- a/app/webpacker/controllers/numeric_question_controller.js
+++ b/app/webpacker/controllers/numeric_question_controller.js
@@ -12,7 +12,7 @@ export default class extends Controller {
     const affectedField = this.element.dataset.target;
     const fieldsToAdd = JSON.parse(this.element.dataset.calculated).map(x => `case-log-${x.replaceAll("_","-")}-field`);
     const valuesToAdd = fieldsToAdd.map(x => document.getElementById(x).value).filter(x => x);
-    const newValue =  valuesToAdd.map(x => parseInt(x)).reduce((a, b) => a + b, 0);
+    const newValue =  valuesToAdd.map(x => parseFloat(x)).reduce((a, b) => a + b, 0).toFixed(2);
     const elementToUpdate = document.getElementById(affectedField);
     elementToUpdate.value = newValue;
   }
diff --git a/spec/features/form/progressive_total_field_spec.rb b/spec/features/form/progressive_total_field_spec.rb
index ba5131b9f..4d30bef38 100644
--- a/spec/features/form/progressive_total_field_spec.rb
+++ b/spec/features/form/progressive_total_field_spec.rb
@@ -28,8 +28,8 @@ RSpec.describe "Accessible Automcomplete" do
     visit("/logs/#{case_log.id}/rent")
     expect(page).to have_selector("#tcharge_div", visible: true)
     fill_in("case-log-brent-field", with: 5)
-    expect(find("#case-log-tcharge-field").value).to eq("5")
+    expect(find("#case-log-tcharge-field").value).to eq("5.00")
     fill_in("case-log-pscharge-field", with: 3)
-    expect(find("#case-log-tcharge-field").value).to eq("8")
+    expect(find("#case-log-tcharge-field").value).to eq("8.00")
   end
 end
diff --git a/spec/features/form/saving_data_spec.rb b/spec/features/form/saving_data_spec.rb
index 4dbff2ebb..2c27dfda3 100644
--- a/spec/features/form/saving_data_spec.rb
+++ b/spec/features/form/saving_data_spec.rb
@@ -60,17 +60,17 @@ RSpec.describe "Form Saving Data" do
   it "updates total value of the rent", js: true do
     visit("/logs/#{id}/rent")
 
-    fill_in("case-log-brent-field", with: 3)
-    expect(page).to have_field("case-log-tcharge-field", with: "3")
+    fill_in("case-log-brent-field", with: 3.02)
+    expect(page).to have_field("case-log-tcharge-field", with: "3.02")
 
-    fill_in("case-log-scharge-field", with: 2)
-    expect(page).to have_field("case-log-tcharge-field", with: "5")
+    fill_in("case-log-scharge-field", with: 2.8)
+    expect(page).to have_field("case-log-tcharge-field", with: "5.82")
 
     fill_in("case-log-pscharge-field", with: 1)
-    expect(page).to have_field("case-log-tcharge-field", with: "6")
+    expect(page).to have_field("case-log-tcharge-field", with: "6.82")
 
-    fill_in("case-log-supcharg-field", with: 4)
-    expect(page).to have_field("case-log-tcharge-field", with: "10")
+    fill_in("case-log-supcharg-field", with: 4.11)
+    expect(page).to have_field("case-log-tcharge-field", with: "10.93")
   end
 
   it "displays number answers in inputs if they are already saved" do
diff --git a/spec/models/case_log_spec.rb b/spec/models/case_log_spec.rb
index 2a0b5e43a..bd5ad8c23 100644
--- a/spec/models/case_log_spec.rb
+++ b/spec/models/case_log_spec.rb
@@ -1138,16 +1138,16 @@ RSpec.describe Form, type: :model do
         CaseLog.create({
           managing_organisation: organisation,
           owning_organisation: organisation,
-          brent: 5,
-          scharge: 10,
+          brent: 5.77,
+          scharge: 10.01,
           pscharge: 3,
-          supcharg: 12,
+          supcharg: 12.2,
         })
       end
 
       it "correctly sums rental charges" do
         record_from_db = ActiveRecord::Base.connection.execute("select tcharge from case_logs where id=#{case_log.id}").to_a[0]
-        expect(record_from_db["tcharge"]).to eq(30)
+        expect(record_from_db["tcharge"]).to eq(30.98)
       end
     end