Cut the sides of the off the mango, working to avoid the large pit in the center.
Hold a mango half upright along the rim of a glass cup and align right where the peel meets the skin to the edge of the glass. Slide it down to separate the peel from the mango flesh.
You can dice the peeled mango into cubes from here now that the skin has been removed.
Option #2 Cut A Mango With A Knife
Cut the sides off the mango, working to avoid the large pit in the center.
Use a knife to score cubes into one of the mango halves, but take care not to cut it through the skin.
Invert the mango so the cubes separate out a bit.
Use a small paring knife to cut each cube off the mango peel.
The Middle: How To Cut The Remaining Mango
Cut along the middle slice of the mango (that is left after slicing off the large halves). Cut the flesh away from the pit.
Use a pairing knife to separate the peel from the flesh, holding it flat on the cutting board.
Slide the strips of mango into cubes.
Notes
One small-medium sized mango yields about 1 cup of diced mango.