My preferred (and thus proposed) style rules for numbers, units, currencies, times (not dates).
| Do | Don’t | Comment | ||
|---|---|---|---|---|
| 1.23 | 1.23
|
1,23 | 1,23
|
decimal point |
| 1.23 | 1.23
|
1·23 | 1·23
| |
| 1 000 | 1 000
|
1000 | 1000
|
not for years |
| 1 000 | 1 000
|
1,000 | 1,000
|
debatable |
| 1 000 000 | 1 000 000
|
10 00 000 | 10 00 000
|
Indic |
| 1 000 | 1 000
|
1’000 | 1’000
| |
| −1 | −1
|
-1 | -1
|
same width and vertical position |
| +1 | +1
|
+ 1 | + 1
| |
| 1 + 2 = 3 | 1 + 2 = 3
|
1+2=3 | 1+2=3
| |
| ½ | ½
|
1/2 | 1/2
|
if available; debatable |
| 1+1⁄2 | {{frac|1|1|2}}
|
1½ | 1½
|
experimental, debatable |
| 1⁄2 | {{frac|1|2}}
|
½ | ½
| |
| 1+1⁄2 | {{frac|1|1|2}}
|
3⁄2 | {{frac|3|2}}
| |
| 1 m × 1 m = 1 m² | 1 m × 1 m = 1 m²
|
1 m · 1 m = 1 m² | 1 m · 1 m = 1 m²
|
vector, geometric |
| 1.23×1012 | 1.23{{e|12}}
|
1.23 · 1012 | 1.23 · 10<sup>12</sup>
| |
| 1.23 · 1012 | 1.23 · 10<sup>12</sup>
|
1.23 × 1012 | 1.23 × 10<sup>12</sup>
|
scalar |
| 1.23 · 1012 | 1.23 · 10<sup>12</sup>
|
1.23E+12 | 1.23E+12
| |
| 1.23E+12 | 1.23E+12
|
1.23E12 | 1.23E12
| |
| 1.23E+12 | 1.23E+12
|
1.23 E+12 | 1.23 E+12
| |
| 1.23E+12 | 1.23E+12
|
1.23e+12 | 1.23e+12
| |
| FF16 | FF{{base|16}}
|
FF16 | FF<sub>16</sub>
|
experimental; debatable |
| FF16 | FF<sub>16</sub>
|
0xFF | 0xFF
| |
| FF16 | FF<sub>16</sub>
|
FFh | FFh
| |
| FF16 | FF<sub>16</sub>
|
FFhex | FF<sub>hex</sub>
| |
| 1.23 USD | 1.23 USD
|
USD 1.23 | USD 1.23
| |
| 1.23 USD | 1.23 USD
|
1.23 US$ | 1.23 US$
| |
| 1.23 USD | 1.23 USD
|
1.23 $ | 1.23 $
| |
| 1.23 USD | 1.23 USD
|
$1.23 | $1.23
| |
| 1.23 USD | 1.23 USD
|
1$23 | 1$23
| |
| 1 m | 1 m
|
1 m | 1 m
|
non-breaking space, left out in subsequent examples |
| 1 m | 1 m
|
1m | 1m
| |
| 1 °C | 1 °C
|
1°C | 1°C
| |
| 1 °C | 1 °C
|
1 ℃ | 1 ℃
| |
| 1° | 1°
|
1 ° | 1 °
|
also %
|
| 1′, 1″ | 1′, 1″
|
1', 1" | 1', 1"
| |
| 1°23′45″ | 1°23′45″
|
1 ° 23 ′ 45 ″ | 1 ° 23 ′ 45 ″
| |
| 12:34:56 | 12:34:56
|
12h34m56s | 12h34m56s
| |
| 01:23:45 | 01:23:45
|
1:23:45 | 1:23:45
| |
| 12:34 | 12:34
|
12.34 PM | 12.34 PM
| |
| 12.34 PM | 12.34 PM
|
12.34 p.m. | 12.34 p.m.
| |
| 12.34 PM | 12.34 PM
|
12.34 pm | 12.34 pm
| |
| 3 January 2000 | 3 January 2000
|
3 January 2000 | 3 January 2000
|
linking debatable |
| 3 January 2000 | 3 January 2000
|
3 Jan 2000 | 3 Jan 2000
| |
| 3 January 2000 | 3 January 2000
|
3 JAN 2000 | 3 JAN 2000
| |
| 3 January 2000 | 3 January 2000
|
03 January 2000 | 03 January 2000
| |
| 3 January 2000 | 3 January 2000
|
3 January 00 | 3 January 00
| |
| 3 January 2000 | 3 January 2000
|
3 January ’00 | 3 January ’00
| |
| 3 January 2000 | 3 January 2000
|
3 January, 2000 | 3 January, 2000
| |
| 3 January 2000 | 3 January 2000
|
3. January 2000 | 3. January 2000
|
debatable |
| 3 January 2000 | 3 January 2000
|
3rd January 2000 | 3rd January 2000
| |
| 3 January 2000 | 3 January 2000
|
January 3rd, 2000 | January 3rd, 2000
| |
| 3 January 2000 | 3 January 2000
|
2000, January 3rd | 2000, January 3rd
| |
| 3 January 2000 | 3 January 2000
|
2000-01-03 | 2000-01-03
|
except in tables |
| 3 January 2000 | 3 January 2000
|
3 January 2000 | 3 January 2000
| |
| 2000-01-03 | 2000-01-03
|
20000103 | 20000103
| |
| 2000-01-03 | 2000-01-03
|
2000/01/03 | 2000/01/03
| |
| 2000-01-03 | 2000-01-03
|
2000-03-01 | 2000-03-01
| |
| 2000-01-03 | 2000-01-03
|
2000-1-3 | 2000-1-3
| |
| 2000-01-03 | 2000-01-03
|
01-03-2000 | 01-03-2000
| |
| 2000-01-03 | 2000-01-03
|
03-01-2000 | 03-01-2000
| |
| 2000-01-03 | 2000-01-03
|
00-01-03 | 00-01-03
| |
| −2000 | −2000
|
2000 BC | 2000 BC
|
debatable |
| −2000 | −2000
|
2000 BCE | 2000 BCE
| |
| 2000 BC | 2000 BC
|
2000 BCE | 2000 BCE
| |
| 1 m | 1 m
|
1 m | ''1 m''
| |
| 1 m | 1 m
|
1 mtr. | 1 mtr.
| |
| 2 m | 2 m
|
2 ms | 2 ms
| |
| 1 km | 1 km
|
1 000 m | 1 000 m
| |
| 1 m² | 1 m²
|
1 m2 | 1 m<sup>2</sup>
|
if possible; debatable |
| 1 m² | 1 m²
|
1 sq.m | 1 sq.m
| |
| 1 m³ | 1 m³
|
1 cu.m | 1 cu.m
| |
| 1 N·m | 1 N·m
|
1 Nm | 1 Nm
| |
| 1 N·m | 1 N·m
|
1 N m | 1 N m
| |
| 1 N·m | 1 N·m
|
1 N.m | 1 N.m
| |
| 1 N·m | 1 N·m
|
1 N-m | 1 N-m
| |
| 1 kg/(m·s²) | 1 kg/(m·s²)
|
1 kg/m·s² | 1 kg/m·s²
|
syntactically incorrect |
| 1 kg/(m·s²) | 1 kg/(m·s²)
|
1 kg/m/s² | 1 kg/m/s²
|
syntactically correct |
| 1 kg/(m·s²) | 1 kg/(m·s²)
|
1 kg·m−1·s−2 | 1 kg·m<sup>−1</sup>·s<sup>−2</sup>
| |
| 1 kg/(m·s²) | 1 kg/(m·s²)
|
1 kg⁄m·s² | 1 {{frac|kg|m·s²}}
| |
| 1 kg/(m·s²) | 1 kg/(m·s²)
|
<math>1\,\frac{\mathrm{kg}}{\mathrm{m} \cdot \mathrm{s}^2}</math>
| ||
| 1 in | 1 in
|
1 in. | 1 in.
|
debatable |
| 1 in | 1 in
|
1″ | 1″
| |
| 1 ft 2 in | 1 ft 2 in
|
1.2 ft | 1.2 ft
| |
| 1 ft 2 in | 1 ft 2 in
|
1ft2 | 1ft2
| |
| meters per second | meters/second | |||
| 1000 bit = 1 kbit | 1000 bit = 1 kbit
|
1024 bit = 1 kbit | 1024 bit = 1 kbit
| |
| 1024 bit = 1 Kibit | 1024 bit = 1 Kibit
|
1024 bit = 1 kbit | 1024 bit = 1 kbit
| |
| 1 kHz | 1 kHz
|
1 kbit/s | 1 kbit/s
| |
| 1 kbit/s | 1 kbit/s
|
1 Kbit/s | 1 Kbit/s
| |
| 1 kbit/s | 1 kbit/s
|
1 kb/s | 1 kb/s
| |
| 1 kbit/s | 1 kbit/s
|
1 kbps | 1 kbps
| |
| 8 bit = 1 byte | 8 bit = 1 byte
|
8 b = 1 B | 8 b = 1 B
| |
