The fluid transfer community uses both the International System
of Units (Metric System) and the U.S. Customary System. To
access automatic conversion calculation tools, please go to
Decimal Inches
Fractional Inches
Metric
0.031”
1/32”
0.79mm
0.062”
1/16”
1.57mm
0.125”
1/8”
3.18mm
0.188”
3/16”
4.78mm
0.250”
1/4”
6.35mm
0.313”
5/16”
7.95mm
0.375”
3/8”
9.53mm
0.438”
7/16”
11.13mm
0.500”
1/2”
12.70mm
0.563”
9/16”
14.30mm
0.625”
5/8”
15.88mm
0.688”
11/16”
17.48mm
0.750”
3/4”
19.05mm
0.813”
13/16”
20.65mm
0.875”
7/8”
22.23mm
0.938”
15/16”
23.83mm
1”
1”
2.54 cm
2”
2”
5.08 cm
3”
3”
7.62 cm
4”
4”
10.16 cm
5”
5”
12.70 cm
6”
6”
15.24 cm
7”
7”
17.78 cm
10”
10”
25.40 cm
Dimensions— InchestoMetric
Dimensions—Metricto Inches
ConversionDesired
Formula
Inches tomillimeters
Inches x 25.4mm/in.
Inches to centimeters
Inches x 2.54 cm/in.
Inches tomicrons
Inches x 25.4mm/in. x 1,000µm/mm
Diameter in inches to linear volume (µL/inch)* 12870.4 (d2)
Diameter inµm to linear volume (µL/cm)*
7.85 x 10-6 (d2)
Celsius toFahrenheit
(Celsius x 9/5) + 32
Fahrenheit toCelsius
(Fahrenheit - 32) x 5/9
psi tobar
psi x 0.06894757
psi toMPa
psi x 0.00689476
psi to torr
psi x 51.7150733
psi toATM
psi x 0.06804596
*d= internal diameter
ConversionFactors
Celsius (°C)
Fahrenheit (°F)
0
32
1
34
5
41
10
50
15
59
20
68
25
77
30
86
35
95
40
104
45
113
50
122
55
131
60
140
65
149
70
158
75
167
80
176
85
185
90
194
95
203
100
212
105
221
110
230
115
239
120
248
125
257
130
266
135
275
140
284
145
293
150
302
155
311
160
320
165
329
170
338
175
347
180
356
185
365
190
374
195
383
200
392
205
401
210
410
215
419
Temperature
Metric
Decimal Inches
1.0mm
0.039”
1.8mm
0.071”
2.0mm
0.079”
3.0mm
0.118”
3.2mm
0.126”
4.0mm
0.157”
4.3mm
0.169”
4.6mm
0.181”
5.0mm
0.197”
6.0mm
0.236”
7.0mm
0.276”
8.0mm
0.315”
9.0mm
0.354”
1.0 cm
0.394”
2.0 cm
0.787”
3.0 cm
1.181”
4.0 cm
1.575”
5.0 cm
1.969”
6.0 cm
2.362”
7.0 cm
2.756”
8.0 cm
3.150”
9.0 cm
3.543”
10.0 cm
3.937”
182
TECHNICALRESOURCES
ConversionTables
