Convert semitones to stop (photographic)s

0.083 333 333 333 3EV
≈ Rounded to 12 s.f. 1 st ≈ 0.083 333 333 333 3 EV
As a fraction: 83333333333333333333333333333333333333333333/1000000000000000000000000000000000000000000000

How to convert semitones to stop (photographic)s

Convert through a plain ratio: semitone → ratio → stop (photographic). Logarithmic units cannot be converted by multiplying alone.

Semitone: Twelve-tone equal temperament: each semitone is the twelfth root of two.

Stop (photographic): One stop doubles the light. Identical arithmetic to the octave.

Semitone to Stop (photographic) conversion table

Semitones (st) Stop (photographic)s (EV)
0 st 0
1 st 0.083 333 333
2 st 0.166 666 67
3 st 0.25
6 st 0.5
10 st 0.833 333 33
20 st 1.666 666 7
30 st 2.5
40 st 3.333 333 3
60 st 5
80 st 6.666 666 7
100 st 8.333 333 3

Stop (photographic) to Semitone conversion table

Stop (photographic)s (EV) Semitones (st)
0 EV 0
1 EV 12
2 EV 24
3 EV 36
6 EV 72
10 EV 120
20 EV 240
30 EV 360
40 EV 480
60 EV 720
80 EV 960
100 EV 1200

Frequently asked

How many stop (photographic)s are in a semitone?

One semitone equals 0.08333333333 stop (photographic)s (st → EV).

How do you convert semitones to stop (photographic)s?

Convert through a plain ratio: semitone → ratio → stop (photographic). Logarithmic units cannot be converted by multiplying alone.

What is 1 EV in semitones?

One stop (photographic) is 12 semitones.

What is 10 st in EV?

10 st = 0.833 333 33 EV.

What exactly is a semitone?

Twelve-tone equal temperament: each semitone is the twelfth root of two.

What exactly is a stop (photographic)?

One stop doubles the light. Identical arithmetic to the octave.

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