diff --git a/modules/core/src/adapter/type-utils/decode-data-type.ts b/modules/core/src/adapter/type-utils/decode-data-type.ts
index 5ff4f7b77a..74273bca66 100644
--- a/modules/core/src/adapter/type-utils/decode-data-type.ts
+++ b/modules/core/src/adapter/type-utils/decode-data-type.ts
@@ -50,6 +50,7 @@ const TYPE_MAP: Record<NormalizedDataType, DataType> = {
   snorm16: 'sint16',
   float16: 'float16',
   float32: 'float32',
+  float64: 'float64',
   uint32: 'uint32',
   sint32: 'sint32'
 };
@@ -61,6 +62,7 @@ const TYPE_SIZES: Record<DataType, number> = {
   sint16: 2,
   float16: 2,
   float32: 4,
+  float64: 8,
   uint32: 4,
   sint32: 4
 };
diff --git a/modules/core/src/adapter/types/vertex-formats.ts b/modules/core/src/adapter/types/vertex-formats.ts
index ec2ca7a50f..18da4c0025 100644
--- a/modules/core/src/adapter/types/vertex-formats.ts
+++ b/modules/core/src/adapter/types/vertex-formats.ts
@@ -11,7 +11,8 @@ export type DataType =
   | 'uint32'
   | 'sint32'
   | 'float16'
-  | 'float32';
+  | 'float32'
+  | 'float64';
 
 /** Vertex and Pixel data types. Include normalized integers */
 export type NormalizedDataType =
@@ -28,8 +29,9 @@ export type NormalizedDataType =
   // WebGPU does not support normalized 32 bit integer attributes...
   // | 'unorm32'
   // | 'snorm32'
+  | 'float16'
   | 'float32'
-  | 'float16';
+  | 'float64';
 
 /** Describes the type (without number of components) of a vertex format */
 export type VertexType = NormalizedDataType;
@@ -87,4 +89,8 @@ export type VertexFormat =
   | 'float32'
   | 'float32x2'
   | 'float32x3'
-  | 'float32x4';
+  | 'float32x4'
+  | 'float64'
+  | 'float64x2'
+  | 'float64x3'
+  | 'float64x4';
diff --git a/modules/webgl/src/adapter/converters/vertex-formats.ts b/modules/webgl/src/adapter/converters/vertex-formats.ts
index ad6b2df77e..779b3c8dc7 100644
--- a/modules/webgl/src/adapter/converters/vertex-formats.ts
+++ b/modules/webgl/src/adapter/converters/vertex-formats.ts
@@ -13,7 +13,8 @@ type GLDataType =
   | GL.UNSIGNED_INT
   | GL.INT
   | GL.HALF_FLOAT
-  | GL.FLOAT;
+  | GL.FLOAT
+  | GL.DOUBLE;
 
 /** Get vertex format from GL constants */
 export function getVertexFormatFromGL(type: GLDataType, components: 1 | 2 | 3 | 4): VertexFormat {
@@ -42,6 +43,7 @@ export function getVertexTypeFromGL(type: GLDataType, normalized = false): Verte
     case GL.UNSIGNED_SHORT: return normalized ? 'uint16' : 'unorm16';
     case GL.BYTE: return normalized ? 'sint8' : 'snorm16';
     case GL.UNSIGNED_BYTE: return normalized ? 'uint8' : 'unorm8';
+    case GL.DOUBLE: return 'float64';
     case GL.FLOAT: return 'float32';
     case GL.HALF_FLOAT: return 'float16';
   }
@@ -59,7 +61,8 @@ export function getGLFromVertexType(
   | GL.UNSIGNED_INT
   | GL.INT
   | GL.HALF_FLOAT
-  | GL.FLOAT {
+  | GL.FLOAT
+  | GL.DOUBLE {
   // prettier-ignore
   switch (dataType) {
     case 'uint8': return GL.UNSIGNED_BYTE;
@@ -77,6 +80,7 @@ export function getGLFromVertexType(
     // case 'snorm32': return GL.INT;
     case 'float16': return GL.HALF_FLOAT;
     case 'float32': return GL.FLOAT;
+    case 'float64': return GL.DOUBLE;
   }
   // @ts-ignore unreachable
   throw new Error(String(dataType));