diff --git a/packages/models/index.d.ts b/packages/models/index.d.ts
new file mode 100644
index 00000000000..5807d3c9d5d
--- /dev/null
+++ b/packages/models/index.d.ts
@@ -0,0 +1,10 @@
+interface Model {
+    [index: string]: number;
+}
+export declare const manSize34: Model;
+export declare const manSize36: Model;
+export declare const manSize38: Model;
+export declare const manSize40: Model;
+export declare const manSize42: Model;
+export declare const manSize44: Model;
+export {};
diff --git a/packages/models/index.js b/packages/models/index.js
index 0fffba4f488..a8056cc1b83 100644
--- a/packages/models/index.js
+++ b/packages/models/index.js
@@ -1,94 +1,74 @@
-const manSize34 = {
-  bicepsCircumference:   335,
-  centerBackNeckToWaist: 489,
-  chestCircumference:    849,
-  hipsCircumference:     722,
-  naturalWaistToHip:     100,
-  neckCircumference:     366,
-  shoulderSlope:          43,
-  shoulderToShoulder:    419,
-  shoulderToWrist:       670,
-  wristCircumference:    175
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.manSize34 = {
+    bicepsCircumference: 335,
+    centerBackNeckToWaist: 489,
+    chestCircumference: 849,
+    hipsCircumference: 722,
+    naturalWaistToHip: 100,
+    neckCircumference: 366,
+    shoulderSlope: 43,
+    shoulderToShoulder: 419,
+    shoulderToWrist: 670,
+    wristCircumference: 175
 };
-
-const manSize36 = {
-  bicepsCircumference:   290,
-  centerBackNeckToWaist: 492,
-  chestCircumference:    907,
-  hipsCircumference:     780,
-  naturalWaistToHip:     105,
-  neckCircumference:     378,
-  shoulderSlope:          46,
-  shoulderToShoulder:    431,
-  shoulderToWrist:       675,
-  wristCircumference:    180
+exports.manSize36 = {
+    bicepsCircumference: 290,
+    centerBackNeckToWaist: 492,
+    chestCircumference: 907,
+    hipsCircumference: 780,
+    naturalWaistToHip: 105,
+    neckCircumference: 378,
+    shoulderSlope: 46,
+    shoulderToShoulder: 431,
+    shoulderToWrist: 675,
+    wristCircumference: 180
 };
-
-const manSize38 = {
-  bicepsCircumference:   305,
-  centerBackNeckToWaist: 495,
-  chestCircumference:    965,
-  hipsCircumference:     838,
-  naturalWaistToHip:     110,
-  neckCircumference:     391,
-  shoulderSlope:          49,
-  shoulderToShoulder:    444,
-  shoulderToWrist:       680,
-  wristCircumference:    185
+exports.manSize38 = {
+    bicepsCircumference: 305,
+    centerBackNeckToWaist: 495,
+    chestCircumference: 965,
+    hipsCircumference: 838,
+    naturalWaistToHip: 110,
+    neckCircumference: 391,
+    shoulderSlope: 49,
+    shoulderToShoulder: 444,
+    shoulderToWrist: 680,
+    wristCircumference: 185
 };
-
-const manSize40 = {
-  bicepsCircumference:   320,
-  centerBackNeckToWaist: 498,
-  chestCircumference:   1023,
-  hipsCircumference:     896,
-  naturalWaistToHip:     115,
-  neckCircumference:     404,
-  shoulderSlope:          52,
-  shoulderToShoulder:    457,
-  shoulderToWrist:       685,
-  wristCircumference:    190
+exports.manSize40 = {
+    bicepsCircumference: 320,
+    centerBackNeckToWaist: 498,
+    chestCircumference: 1023,
+    hipsCircumference: 896,
+    naturalWaistToHip: 115,
+    neckCircumference: 404,
+    shoulderSlope: 52,
+    shoulderToShoulder: 457,
+    shoulderToWrist: 685,
+    wristCircumference: 190
 };
-
-const manSize42 = {
-  bicepsCircumference:   335,
-  centerBackNeckToWaist: 501,
-  chestCircumference:   1081,
-  hipsCircumference:     895,
-  naturalWaistToHip:     120,
-  neckCircumference:     416,
-  shoulderSlope:          55,
-  shoulderToShoulder:    470,
-  shoulderToWrist:       690,
-  wristCircumference:    195
+exports.manSize42 = {
+    bicepsCircumference: 335,
+    centerBackNeckToWaist: 501,
+    chestCircumference: 1081,
+    hipsCircumference: 895,
+    naturalWaistToHip: 120,
+    neckCircumference: 416,
+    shoulderSlope: 55,
+    shoulderToShoulder: 470,
+    shoulderToWrist: 690,
+    wristCircumference: 195
 };
-
-const manSize44 = {
-  bicepsCircumference:   350,
-  centerBackNeckToWaist: 505,
-  chestCircumference:   1139,
-  hipsCircumference:    1012,
-  naturalWaistToHip:     125,
-  neckCircumference:     429,
-  shoulderSlope:          58,
-  shoulderToShoulder:    483,
-  shoulderToWrist:       700,
-  wristCircumference:    200
+exports.manSize44 = {
+    bicepsCircumference: 350,
+    centerBackNeckToWaist: 505,
+    chestCircumference: 1139,
+    hipsCircumference: 1012,
+    naturalWaistToHip: 125,
+    neckCircumference: 429,
+    shoulderSlope: 58,
+    shoulderToShoulder: 483,
+    shoulderToWrist: 700,
+    wristCircumference: 200
 };
-
-const men = {
-  manSize34,
-  manSize36,
-  manSize38,
-  manSize40,
-  manSize42,
-  manSize44
-}
-
-module.exports.manSize34 = manSize34;
-module.exports.manSize36 = manSize36;
-module.exports.manSize38 = manSize38;
-module.exports.manSize40 = manSize40;
-module.exports.manSize42 = manSize42;
-module.exports.manSize44 = manSize44;
-module.exports.men = men;
diff --git a/packages/models/index.ts b/packages/models/index.ts
new file mode 100644
index 00000000000..7804176e2f7
--- /dev/null
+++ b/packages/models/index.ts
@@ -0,0 +1,81 @@
+interface Model {
+  [index: string]: number;
+}
+
+export const manSize34: Model = {
+  bicepsCircumference:   335,
+  centerBackNeckToWaist: 489,
+  chestCircumference:    849,
+  hipsCircumference:     722,
+  naturalWaistToHip:     100,
+  neckCircumference:     366,
+  shoulderSlope:          43,
+  shoulderToShoulder:    419,
+  shoulderToWrist:       670,
+  wristCircumference:    175
+};
+
+export const manSize36: Model = {
+  bicepsCircumference:   290,
+  centerBackNeckToWaist: 492,
+  chestCircumference:    907,
+  hipsCircumference:     780,
+  naturalWaistToHip:     105,
+  neckCircumference:     378,
+  shoulderSlope:          46,
+  shoulderToShoulder:    431,
+  shoulderToWrist:       675,
+  wristCircumference:    180
+};
+
+export const manSize38: Model = {
+  bicepsCircumference:   305,
+  centerBackNeckToWaist: 495,
+  chestCircumference:    965,
+  hipsCircumference:     838,
+  naturalWaistToHip:     110,
+  neckCircumference:     391,
+  shoulderSlope:          49,
+  shoulderToShoulder:    444,
+  shoulderToWrist:       680,
+  wristCircumference:    185
+};
+
+export const manSize40: Model = {
+  bicepsCircumference:   320,
+  centerBackNeckToWaist: 498,
+  chestCircumference:   1023,
+  hipsCircumference:     896,
+  naturalWaistToHip:     115,
+  neckCircumference:     404,
+  shoulderSlope:          52,
+  shoulderToShoulder:    457,
+  shoulderToWrist:       685,
+  wristCircumference:    190
+};
+
+export const manSize42: Model = {
+  bicepsCircumference:   335,
+  centerBackNeckToWaist: 501,
+  chestCircumference:   1081,
+  hipsCircumference:     895,
+  naturalWaistToHip:     120,
+  neckCircumference:     416,
+  shoulderSlope:          55,
+  shoulderToShoulder:    470,
+  shoulderToWrist:       690,
+  wristCircumference:    195
+};
+
+export const manSize44: Model = {
+  bicepsCircumference:   350,
+  centerBackNeckToWaist: 505,
+  chestCircumference:   1139,
+  hipsCircumference:    1012,
+  naturalWaistToHip:     125,
+  neckCircumference:     429,
+  shoulderSlope:          58,
+  shoulderToShoulder:    483,
+  shoulderToWrist:       700,
+  wristCircumference:    200
+};
diff --git a/packages/models/package-lock.json b/packages/models/package-lock.json
new file mode 100644
index 00000000000..5a32a9d20fd
--- /dev/null
+++ b/packages/models/package-lock.json
@@ -0,0 +1,5 @@
+{
+  "name": "@freesewing/models",
+  "version": "0.0.1",
+  "lockfileVersion": 1
+}
diff --git a/packages/models/package.json b/packages/models/package.json
index 1044e6e38cc..4475db33d94 100644
--- a/packages/models/package.json
+++ b/packages/models/package.json
@@ -3,8 +3,11 @@
   "version": "0.0.1",
   "description": "Body measurements data for a range of default sizes",
   "main": "index.js",
+  "types": "index.d.ts",
   "scripts": {
-    "test": "echo \"Error: no test specified\" && exit 1"
+    "test": "echo \"Error: no test specified\" && exit 1",
+    "build": "tsc",
+    "watch": "tsc -w"
   },
   "repository": {
     "type": "git",
diff --git a/packages/models/tsconfig.json b/packages/models/tsconfig.json
new file mode 100644
index 00000000000..86ea90b3393
--- /dev/null
+++ b/packages/models/tsconfig.json
@@ -0,0 +1,9 @@
+{
+  "compilerOptions": {
+    "target": "es5",
+    "module": "commonjs",
+    "declaration": true,
+    "strict": true,
+    "esModuleInterop": true
+  }
+}