Convert stop (photographic)s to semitones
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Show this value in all 10 ratio & decibels units
- Ratios × 2
- Decibel (power)s dB 3.010 299 956 64
- Decibel (amplitude)s dB 6.020 599 913 28
- Bels B 0.301 029 995 664
- Nepers Np 0.693 147 180 56
- Decades dec 0.301 029 995 664
- Octaves oct 1
- Semitones st 12
- Cents ¢ 1200
- Stop (photographic)s EV 1
Every row is Stop (photographic) (EV) converted through the ratio, in exact rational arithmetic.
How to convert stop (photographic)s to semitones
Convert through a plain ratio: stop (photographic) → ratio → semitone. Logarithmic units cannot be converted by multiplying alone.
Stop (photographic): One stop doubles the light. Identical arithmetic to the octave.
Semitone: Twelve-tone equal temperament: each semitone is the twelfth root of two.
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 |
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 |
Frequently asked
How many semitones are in a stop (photographic)?
One stop (photographic) equals 12 semitones (EV → st).
How do you convert stop (photographic)s to semitones?
Convert through a plain ratio: stop (photographic) → ratio → semitone. Logarithmic units cannot be converted by multiplying alone.
What is 1 st in stop (photographic)s?
One semitone is 0.08333333333 stop (photographic)s.
What is 10 EV in st?
10 EV = 120 st.
What exactly is a stop (photographic)?
One stop doubles the light. Identical arithmetic to the octave.
What exactly is a semitone?
Twelve-tone equal temperament: each semitone is the twelfth root of two.