diff --git a/examples/projection-and-scale.html b/examples/projection-and-scale.html
new file mode 100644
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+++ b/examples/projection-and-scale.html
@@ -0,0 +1,18 @@
+---
+layout: example.html
+title: Projection and Scale
+shortdesc: Example of maintaining scale when changing projection.
+docs: >
+  Example of maintaining scale when changing projection.
+  `getPointResolution()` is used to calculate the resolution for the
+  new projection which corresponds to that for the old projection. 
+tags: "projection, scale"
+---
+<div id="map" class="map"></div>
+<div>
+  <label for="view-projection">View projection</label>
+  <select id="view-projection">
+    <option value="EPSG:3857">Spherical Mercator (EPSG:3857)</option>
+    <option value="EPSG:4326" selected>WGS 84 (EPSG:4326)</option>
+  </select>
+</div>
diff --git a/examples/projection-and-scale.js b/examples/projection-and-scale.js
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+++ b/examples/projection-and-scale.js
@@ -0,0 +1,68 @@
+import Map from '../src/ol/Map.js';
+import OSM from '../src/ol/source/OSM.js';
+import TileLayer from '../src/ol/layer/Tile.js';
+import View from '../src/ol/View.js';
+import {ScaleLine, defaults as defaultControls} from '../src/ol/control.js';
+import {
+  getPointResolution,
+  get as getProjection,
+  transform,
+} from '../src/ol/proj.js';
+
+const viewProjSelect = document.getElementById('view-projection');
+const projection = getProjection(viewProjSelect.value);
+
+const scaleControl = new ScaleLine({
+  units: 'metric',
+  bar: true,
+  steps: 4,
+  text: true,
+  minWidth: 140,
+});
+
+const map = new Map({
+  controls: defaultControls().extend([scaleControl]),
+  layers: [
+    new TileLayer({
+      source: new OSM(),
+    }),
+  ],
+  target: 'map',
+  view: new View({
+    center: transform([0, 52], 'EPSG:4326', projection),
+    zoom: 6,
+    projection: projection,
+  }),
+});
+
+function onChangeProjection() {
+  const currentView = map.getView();
+  const currentProjection = currentView.getProjection();
+  const newProjection = getProjection(viewProjSelect.value);
+  const currentResolution = currentView.getResolution();
+  const currentCenter = currentView.getCenter();
+  const currentRotation = currentView.getRotation();
+  const newCenter = transform(currentCenter, currentProjection, newProjection);
+  const currentPointResolution = getPointResolution(
+    currentProjection,
+    1,
+    currentCenter,
+    'm'
+  );
+  const newPointResolution = getPointResolution(
+    newProjection,
+    1,
+    newCenter,
+    'm'
+  );
+  const newResolution =
+    (currentResolution * currentPointResolution) / newPointResolution;
+  const newView = new View({
+    center: newCenter,
+    resolution: newResolution,
+    rotation: currentRotation,
+    projection: newProjection,
+  });
+  map.setView(newView);
+}
+viewProjSelect.addEventListener('change', onChangeProjection);