In practice, taking its own measurement to make a high chair , a dining chair or a bar stool is a simple operation that will only take you a few minutes.
The important dimensions are the height of the user and the width, height and depth of the seat.
Another key dimension is the height below the table so that the chair can be pushed under the table.
It is easier for two people to take the measurements.
Provide a flat seating surface
- ideally without a cushion
- preferably horizontal
- higher than the ideal height (feet should be slightly off the ground)
You will also need a pen and a sheet of paper to write down, a tape measure and a few books.
Sit the future user of the chair on the flat surface.
Measuring the armchair seat width
It should be wide enough for good weight distribution but not too wide to sit upright.
1- position blocks to the right and left of the hips
2- measure the distance between the two blocks.
3- Add about 3 cm to allow for thicker clothing.
Measuring the armchair seat depth
Correct measurement of the seat depth results in better weight distribution over the entire seat, better vascularisation and therefore greater comfort. It is important that the seat is not too deep so that it does not rest on the popliteal fossa at the back of the knee, which would hinder venous return.
1. Measure the distance between the lower back/gluteal hollow and the hollow at the back of the knee.
2. Remove about 4 cm to measure the seat depth of the chair.
Measuring the armchair seat height
If it is too high the knees are up and the supports are more important at the bottom of the seat; the sitting position is quickly painful.
If it is too low, the feet are not on the floor and the user slides forward.
1. 1. Put on slippers or the shoes usually worn in the chair.
2. 2. Put books under the feet so that
- the front of the thigh rests on the front of the seat (one hand must not be able to pass through)
- the feet are no longer in the air
3. measure the distance from the underside of the heel to the seat
Seat height of chair equipped with footrest
If you are used to add cushions on dining room chairs to ensure that you are at the right height at the table, this chapter is for you.
When we are going to make you a custom made chair we will raise the height of the seat (distance A on the diagram below) so that you are at the right height in relation to the table. To determine the distance A we invite you to take this measurement by using a standard chair and adding magazines on the seat until the height is suitable for you.
Your feet are now too high off the floor. In order to be able to sit comfortably without the risk of slipping forwards we suggest that you add a footrest on the chair. To measure the distance B in the diagram below, we invite you to use the method described above to define the "Seat height of the chair or stool".
The height C is the maximum height for the chair to pass under the table. In the case of extendable tables it is often necessary to reduce the height of the armrests for this purpose.
Seating height of a bar stool with footrest
The height of the seat is defined according to the height of the work surface or the bar (distance A in the diagram below).
To determine the distance A you can for example use a height-adjustable chair or a classic chair on which you stack directories.
Your feet on a bar stool are too high in relation to the floor. Your feet are therefore resting on a footrest. To measure the distance B in the diagram below we invite you to use the method described above to define the "Seat height of the chair".
Height C is the maximum height for the armrests to pass under the table.