maxon Conversion tables
General Information Quantities and their basic units in the International System of Measurements (SI) Quantity Basic- unit
Power
P [W]
B
A oz-in-s-1 oz-in-min-1 in-lbf-s-1
ft-lbf-s-1 W = N · ms-1
mW kpm s-1 mNm min-1
W = N · ms-1 7.06 · 10-3 1.17 · 10-4
0.113
1.356
1
1 · 10-3
9.807
2 π ⁄60000
2 π ⁄60
mW
7.06
0.117
112.9 1.356 · 103
1 · 103 141.6
1
9.807 · 103
Sign
1/60
16 1/12
192
0.142 1.39 · 103 2.36 · 10-3
oz-in-s-1 ft-lbf-s-1 kpm s-1
1
1/192
1/11520
1
0.737 0.737 · 10-3 0.102 0.102 · 10-3
7.233 1.23 · 10-5
Length Mass Time
Meter Kilogram Second Ampere Kelvin
m kg s
7.20 · 10-4 1.2 · 10-5
1.15 · 10-2
0.138
1
1.70 · 10-6
Electrical current Thermodynamic Temperature
A K
Torque
M [Nm]
A oz-in
ft-lbf 1.356
Nm = Ws Ncm mNm kpm pcm
Conversion Example A known unit B unit sought known: Factors used for … … conversions: 1 oz oz-in 7.06
B
Nm 7.06 · 10-3
1
1 · 10-2
1 · 10-3
9.807 9.807 · 10-5 9.807 · 103 9.807 ·10-2
mNm
7.06 1.356 · 103
1 · 103
10
1
multiply by sought:
kpm 7.20 · 10-4
0.138
0.102 0.102 · 10-2 0.102 · 10-3
1
1 · 10-5
mNm
oz-in ft-lbf
1
192
141.6
1.416
0.142 1.39 · 103 1.39 · 10-2
1/192
1
0.737 0.737 · 10-2 0.737 · 10-3
7.233 7.233 · 10-5
= 2.834952313 · 10 -2 kg
1 in = 2.54 · 10 -2 m … gravitational acceleration: g = 9.80665 m s -2 = 386.08858 in s -2 … derived units : 1 yd = 3 ft = 36 in 1 lb = 16 oz = 7000 gr (grains) 1 kp = 1 kg · 9.80665 ms -2 1 N = 1 kgms -2 1 W = 1 Nms -1 = 1 kgm 2 s -3 1 J = 1 Nms -1 = 1 Ws Decimal multiples and fractions of units Prefix
Moment of Inertia
J [kg m 2 ]
B
A oz-in2
oz-in-s2
lb-in2
lb-in-s2 Nms2=kgm2 mNm s2
gcm2
kpm s2
g cm2
182.9 7.06 · 104 2.93 · 103 1.13 · 106
1 · 107
1 · 104 1 · 10 -3
1
9.807 · 107
1.83 · 10-5 7.06 · 10 - 3 2.93 · 10 -4
0.113
1
1 · 10 -7
9.807
kgm2=Nms2
oz-in2 lb-in2
1
386.08 24.130
16
6.18 · 103 5.46 · 104 386.08 3.41 · 103
54.6 5.46 ·10-3 5.35 · 105
1/16
1
3.41
3.41 ·10-4 3.35 · 104
Mass
g B A oz m [kg] Force
F [N]
B
A oz
lb gr (grain)
kg
lbf
N kp
p
kg 28.35 ·10-3 0.454 64.79·10-6
1
1 · 10-3
N 0.278 4.448 1
9.807 9.807·10-3
Abbre- viation
Multiply Prefix Abbre- viation
Multiply
g 28.35 0.454 · 103 64.79·10-3 1 · 103
1
kp 0.028 0.454 0.102 1
1 · 10-3
oz lb
1
16 2.28 · 10-3 35.27 35.27 · 103 oz 1
16 3.600 35.27 35.27 · 10-3 0.225 2.205 2.205 · 10-3 1
Dezi . . d Zenti . . c Mikro . . µ Nano . . n Piko . . p
10 -1 10 -2 10 -6 10 -9 10 -12
Deka . . da Hekto . . h Kilo . . k
10 1 10 2 10 3
1/16
1
1/7000
2.205 2.205 · 103 lbf
1/16
gr (grain) 437.5 7000
1 15.43 · 103 15.43 · 106 pdl 2.011 32.17 7.233 70.93 70.93 · 10-3
Milli . . m 10 -3
Mega . . M 10 6 Giga . . G 10 9
Length
l [m]
Tera . . T
10 12
A in
ft
yd
Mil
m cm mm µ
B
m 25.4 · 10-3 cm 2.54 mm 25.4
0.305
0.914 25.4 · 10-6 91.4 25.4 · 10-4 914 25.4 · 10-3
1
0.01
1 · 10-3
1 · 10-6 1 · 10-4 1 · 10-3
Arc definition
30.5 305
1 · 102 1 · 103 39.37 3.281
1
0.1
10
1
in ft
1
12
36
1 · 10-3 1/12 · 10-3
0.394 3.94 · 10-2 3.94 · 10-5 3.281 · 10-2 3.281 · 10-3 3.281 · 10-6
1/12
1
3
Angular Velocity
ω [s -1 ] Angular Acceleration
α [s -2 ]
A s-1 = Hz
A min-2
rad s-1
s-2
rad s-2
min-1 s-1
rpm
B
B
1/3600 π ⁄1800
1
1⁄2 π
1/60 π ⁄30
1
s-2
rad s-1
2π 1/60
π ⁄30
1
30 ⁄
rad s
2π
1
rpm
-2
π
Linear Velocity
m min-1 v [m s -1 ]
A in-s-1
in-min-1
ft-s-1
ft-min-1
m s-1
cm s-1 1 · 10-2
mm s-1 1 · 10-3
B
1/60
m s-1 in-s-1 ft-s-1
2.54 · 10-2 4.23 · 10-4
0.305 5.08 · 10-3
1
1
60
12
720
39.37 39.37 · 10-2 39.37 · 10-3
0.656
1/12
5
1
60
3.281
3.281 · 10-2 3.281 · 10-3 5.46 · 10-2
Temperature
T [K]
A
(°F -305.15) / 1.8 ° Fahrenheit
° Celsius = Centigrade
Kelvin
B
+ 273.15
1
Kelvin ° Celsius ° Fahrenheit
(°F -32) / 1.8
1
-273.15
Units used in this brochure
1
1.8°C + 32
1.8 K + 305.15
86 maxon
© 2024 maxon. All rights reserved. August edition. Subject to change.
Made with FlippingBook Publishing Software