Axis

Pixel density & screen units

dot per inchdpi

Resolution in dots per inch.

Dimension
1/L
Canonical signature
L^-1
System
css
Exactness
Exact by definition

Definition record

How this unit is defined

Canonical base
1 dpi = 39.37007874015748 m⁻¹
Conversion type
linear
Historical notes
dpi and ppi are interchangeable as linear densities.
Aliases
ppi, pixels per inch, dots per inch

Same dimension

Related units

dioptresi accepteddptinverse metresim⁻¹inverse centimetresicm⁻¹pixel per centimetrecssppcmkaysermetric historicalkayser

Common conversions

Every conversion routes through the canonical base of the dimension.

1 dpi = 39.37007874015748 m⁻¹

Exact by definition relationship

10 dpi = 393.7007874015748 m⁻¹

Exact by definition relationship