diff --git a/CHANGELOG.md b/CHANGELOG.md
index b666f6d5b8..f1000c1a4c 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -12,7 +12,7 @@
 * [#2478](https://github.com/ruby-grape/grape/pull/2478): Fix rescue_from with invalid response - [@ericproulx](https://github.com/ericproulx).
 * [#2480](https://github.com/ruby-grape/grape/pull/2480): Fix rescue_from ValidationErrors exception - [@numbata](https://github.com/numbata).
 * [#2464](https://github.com/ruby-grape/grape/pull/2464): The `length` validator only takes effect for parameters with types that support `#length` method - [@OuYangJinTing](https://github.com/OuYangJinTing).
-* [#2485](https://github.com/ruby-grape/grape/pull/2485): Add exact param to length validator - [@dakad](https://github.com/dakad).
+* [#2485](https://github.com/ruby-grape/grape/pull/2485): Add `is:` param to length validator - [@dakad](https://github.com/dakad).
 * Your contribution here.
 
 ### 2.1.3 (2024-07-13)
diff --git a/README.md b/README.md
index 55e9bd2c1f..ef738c9fff 100644
--- a/README.md
+++ b/README.md
@@ -1714,11 +1714,11 @@ end
 
 Parameters with types that support `#length` method can be restricted to have a specific length with the `:length` option.
 
-The validator accepts `:min` or `:max` or both options or only `:exact` to validate that the value of the parameter is within the given limits.
+The validator accepts `:min` or `:max` or both options or only `:is` to validate that the value of the parameter is within the given limits.
 
 ```ruby
 params do
-  requires :code, type: String, length: { exact: 2 }
+  requires :code, type: String, length: { is: 2 }
   requires :str, type: String, length: { min: 3 }
   requires :list, type: [Integer], length: { min: 3, max: 5 }
   requires :hash, type: Hash, length: { max: 5 }
@@ -2046,7 +2046,7 @@ end
 
 ```ruby
 params do
-  requires :code, type: String, length: { exact: 2, message: 'code is expected to be exactly 2 characters long' }
+  requires :code, type: String, length: { is: 2, message: 'code is expected to be exactly 2 characters long' }
   requires :str, type: String, length: { min: 5, message: 'str is expected to be atleast 5 characters long' }
   requires :list, type: [Integer], length: { min: 2, max: 3, message: 'list is expected to have between 2 and 3 elements' }
 end
diff --git a/lib/grape/locale/en.yml b/lib/grape/locale/en.yml
index 39c446b65d..6b1b6ae06f 100644
--- a/lib/grape/locale/en.yml
+++ b/lib/grape/locale/en.yml
@@ -11,7 +11,7 @@ en:
         except_values: 'has a value not allowed'
         same_as: 'is not the same as %{parameter}'
         length: 'is expected to have length within %{min} and %{max}'
-        length_exact: 'is expected to have length exactly equal to %{exact}'
+        length_is: 'is expected to have length exactly equal to %{is}'
         length_min: 'is expected to have length greater than or equal to %{min}'
         length_max: 'is expected to have length less than or equal to %{max}'
         missing_vendor_option:
diff --git a/lib/grape/validations/validators/length_validator.rb b/lib/grape/validations/validators/length_validator.rb
index 899134cb33..f844f047ec 100644
--- a/lib/grape/validations/validators/length_validator.rb
+++ b/lib/grape/validations/validators/length_validator.rb
@@ -7,7 +7,7 @@ class LengthValidator < Base
         def initialize(attrs, options, required, scope, **opts)
           @min = options[:min]
           @max = options[:max]
-          @exact = options[:exact]
+          @is = options[:is]
 
           super
 
@@ -15,9 +15,9 @@ def initialize(attrs, options, required, scope, **opts)
           raise ArgumentError, 'max must be an integer greater than or equal to zero' if !@max.nil? && (!@max.is_a?(Integer) || @max.negative?)
           raise ArgumentError, "min #{@min} cannot be greater than max #{@max}" if !@min.nil? && !@max.nil? && @min > @max
 
-          return if @exact.nil?
-          raise ArgumentError, 'exact must be an integer greater than zero' if !@exact.is_a?(Integer) || !@exact.positive?
-          raise ArgumentError, 'exact cannot be combined with min or max' if !@min.nil? || !@max.nil?
+          return if @is.nil?
+          raise ArgumentError, 'is must be an integer greater than zero' if !@is.is_a?(Integer) || !@is.positive?
+          raise ArgumentError, 'is cannot be combined with min or max' if !@min.nil? || !@max.nil?
         end
 
         def validate_param!(attr_name, params)
@@ -25,7 +25,7 @@ def validate_param!(attr_name, params)
 
           return unless param.respond_to?(:length)
 
-          return unless (!@min.nil? && param.length < @min) || (!@max.nil? && param.length > @max) || (!@exact.nil? && param.length != @exact)
+          return unless (!@min.nil? && param.length < @min) || (!@max.nil? && param.length > @max) || (!@is.nil? && param.length != @is)
 
           raise Grape::Exceptions::Validation.new(params: [@scope.full_name(attr_name)], message: build_message)
         end
@@ -40,7 +40,7 @@ def build_message
           elsif @max
             format I18n.t(:length_max, scope: 'grape.errors.messages'), max: @max
           else
-            format I18n.t(:length_exact, scope: 'grape.errors.messages'), exact: @exact
+            format I18n.t(:length_is, scope: 'grape.errors.messages'), is: @is
           end
         end
       end
diff --git a/spec/grape/validations/validators/length_spec.rb b/spec/grape/validations/validators/length_spec.rb
index bcb6348c4d..7e85b4dd84 100644
--- a/spec/grape/validations/validators/length_spec.rb
+++ b/spec/grape/validations/validators/length_spec.rb
@@ -88,21 +88,21 @@
       end
 
       params do
-        requires :code, length: { exact: 2 }
+        requires :code, length: { is: 2 }
       end
-      post 'exact' do
+      post 'is' do
       end
 
       params do
-        requires :code, length: { exact: -2 }
+        requires :code, length: { is: -2 }
       end
-      post 'negative_exact' do
+      post 'negative_is' do
       end
 
       params do
-        requires :code, length: { exact: 2, max: 10 }
+        requires :code, length: { is: 2, max: 10 }
       end
-      post 'exact_with_max' do
+      post 'is_with_max' do
       end
     end
   end
@@ -317,10 +317,10 @@
     end
   end
 
-  describe '/exact' do
+  describe '/is' do
     context 'when length is exact' do
       it do
-        post 'exact', code: 'ZZ'
+        post 'is', code: 'ZZ'
         expect(last_response.status).to eq(201)
         expect(last_response.body).to eq('')
       end
@@ -328,7 +328,7 @@
 
     context 'when length exceeds the limit' do
       it do
-        post 'exact', code: 'aze'
+        post 'is', code: 'aze'
         expect(last_response.status).to eq(400)
         expect(last_response.body).to eq('code is expected to have length exactly equal to 2')
       end
@@ -336,7 +336,7 @@
 
     context 'when length is less than the limit' do
       it do
-        post 'exact', code: 'a'
+        post 'is', code: 'a'
         expect(last_response.status).to eq(400)
         expect(last_response.body).to eq('code is expected to have length exactly equal to 2')
       end
@@ -344,25 +344,25 @@
 
     context 'when length is zero' do
       it do
-        post 'exact', code: ''
+        post 'is', code: ''
         expect(last_response.status).to eq(400)
         expect(last_response.body).to eq('code is expected to have length exactly equal to 2')
       end
     end
   end
 
-  describe '/negative_exact' do
-    context 'when exact is negative' do
+  describe '/negative_is' do
+    context 'when `is` is negative' do
       it do
-        expect { post 'negative_exact', code: 'ZZ' }.to raise_error(ArgumentError, 'exact must be an integer greater than zero')
+        expect { post 'negative_is', code: 'ZZ' }.to raise_error(ArgumentError, 'is must be an integer greater than zero')
       end
     end
   end
 
-  describe '/exact_with_max' do
-    context 'when exact is combined with max' do
+  describe '/is_with_max' do
+    context 'when `is` is combined with max' do
       it do
-        expect { post 'exact_with_max', code: 'ZZ' }.to raise_error(ArgumentError, 'exact cannot be combined with min or max')
+        expect { post 'is_with_max', code: 'ZZ' }.to raise_error(ArgumentError, 'is cannot be combined with min or max')
       end
     end
   end