The 57 inch standard is based on the average eye height of an adult and is the rule used to determine how high to hang pictures in museums and galleries.
How to hang picture with wire away from wall.
Pull up until the wire is taut and measure up to the top of the frame.
If you want to hang a group of pictures for a gallery wall hang the center of the grouping at 57 inches.
Measure the picture wire 5 inches through the eyelet and trim.
If you re hanging a picture with wire use double wire for heavy pieces.
To hang a picture hold it up against the wall where you want it to hang then use a pencil to mark the wall along the top center of the frame.
Have someone hold a piece up to the wall while you stand back and appraise just cover the hanging hardware with masking tape first to keep it from scratching the wall.
Pictures that weigh over 20 lbs.
When placing the wire on the hook or nail make sure that it is centered.
With groupings the largest frame is usually best in the center or at the center bottom.
Cut a length of picture wire 6 inches wider than the frame.
Anchors are available with hooks to hang pictures and with special hooks to hang mirrors.
Look at every reasonable possibility.
Fold 3 inches of the wire back on itself and twist it together to hold it in the hook.
This will help to keep your artwork straight and you can always take a step back and adjust the placement as needed.
Place the wire over the edge of the hook or nail.
Lay the picture face down on a flat surface and hook a measuring tape on the hanging wire on the back of the picture then pull the wire up towards the top of the picture until it is taut.
This also applies for large mirrors.
For pictures with a hanging wire and one hanging point hook the metal end of a tape measure under the center of the wire.
Thread one end of the wire through one eye hook.
Now repeat the same process of looping and knotting the picture wire to the d ring that you did on the other side leaving 5 inches of excess wire.
First set out the pictures you want to hang.
This is where you want your wire to hang once it is mounted on the wall.
To securely hang heavy pictures where there is no access to a stud run two wires between the screw eyes and support each with a wall hanger.
Look at every reasonable possibility.
Next turn the picture over and measure from the top of the frame to the point the picture will hang.
Try using a leveler to make sure the hanging artwork is straight.
Prop them against the walls and consider your options.