If you are unsure how to measure your window, you can follow these steps.
You should MEASURE the end to end of the track or rob, exclude any ending decoration.
TIPS: Your curtain track or rob should be placed at least 15cm (6") higher than the window, and be wider than your window by 10% (of the window wide) on each side or 20% on one side.
You can simply enter them into our measurement box.
This is the measurement you need to take if you want your blind to fit inside the window recess. Measure the full width and height of the recess [the size of the hole if you like].
If the width is 1500mm and the height is 1700mm. Please reduce 5mm for the width and height for inside mount. The measurement should be 1495mm and 1695mm.
This is the measurement you need to take if you want the blind to hang outside the recess overlapping the window.
If the width is 1500mm and the height is 1700mm. The measurement should be 1600mm wide which include 50mm on both sides. And 1820mm which include 70mm on the top and 50mm at the bottom.