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Metric/SAE Conversions

When you know:Multiply by:To find:
inches (in)2.54centimeters
centimeters (cm)0.3937inches
statute miles1.609kilometers
kilometers (km)0.6213miles
gallons3.785liters
liters (L)0.2642gallons
pounds (lb)0.4536kilograms
kilograms2.205pounds

Pressure Conversions

When you know:Multiply by:To find:
Pounds/Inch² (PSI)0.06895Bar
Bar14.50326PSI
Inches Centimeters
Miles Kilometers

Gallons Liters

Pounds Kilograms

PSI Bar

ENGLISH TO METRIC CONVERSION TABLE
MULTIPLYBYTO GET MULTIPLYBYTO GET
acres0.404 687 3hecatares ounce(force)0.278 013 9newtons = N
board feet0.002 359 74cubic meter pint(liq.)0.473 176liters = l
cubic ft.0.028 316 85cubic meter pint(dry)0.550 61liters = l
cubic yd.0.764 554 9cubic meter pound(wt.)0.453 592 37kilogram
feet0.304 8meters pound(force)4.448 222Newtons = N
footcandles10.763 91lux=lumens/m² pounds/sq.ft47.880 26pascal=N/m²
ft.-lb(f)1.355 818N-m=joule pounds/sq.in6.894 757kilopascals
gallon (US)3.785 412liters quart(liq.)0.946 352 9liters
horsepower*745.699 9watt=J/sec sq. feet0.092 903 04sq. meter
* horsepower=550 ft-lb(f)/sec sq. in.645.16sq. mm
inch25.4millimeters sq. mile258.998 8hectares
inch-pound(f)0.112 984 8N-m=joule sq. mile2.589 988sq. km
kips4.448 222kilonewton sq. yard0.836 127 4sq. meter
kips/in²6.894 757megapascal ton(short)0.907 184 7metric ton
miles (US)1.609 347kilometer ton(short)907.184 7kilogram = kg
ounce (wt.)28.349 52grams ton(short)8896.444newtons=N
ounce(liq.)29.573 53ml yards0.9144meters=m
FOR TEMPERATURE CONVERSION USE °C=5/9(°F - 32)

 
METRIC TO ENGLISH CONVERSION TABLE
MULTIPLYBYTO GET MULTIPLYBYTO GET
cubic meter1.308 0cubic yard liter0.264 17gallon
 35.314 7cubic foot  1.056 7quart
 61,024cubic inch  2.113 4pint
 264.172gallon  33.814fl. ounce
gram0.035 274ounce(wt) milliliter0.033 814fl. ounce
 0.002 204 6pound(wt) liter/m0.080 52gal/ft.
kilogram35.274ounce(wt) liter/m²0.220 88gal/sq. yard
 2.204 623pound(wt) lux0.092 902ft-candle
 0.002 204 6kip meter1.093 6yard
 0.001 102 3ton  3.280 84foot
megagram1.102 3ton millimeter0.039 370inch
(metric ton)   kilometer0.621 37mile
hectare2.471 04acre micrometer0.039 370 1mil
 107,639square feet Newton0.224 81pound(f)
 11,959.9square yard kilonewton0.224 81kip(f)
 0.003 861 02square mile Pascal0.020 885lb/sq. feet
microare0.155 00square inch kilopascal0.145 04lb/sq. inch
joule0.737 56foot pound megapascal0.145 04kips/sq. inch
 8.849 5inch pound square meter1.195 99square yard
kg/m³1.685 55lbs./cubic yards  10.763 9square feet
 0.062 428lbs./cubic feet square millimeter0.001 55square inch
km/hr0.621 37miles per hour square kilometer0.386 102square mile
   Watt (J/second)0.001 341horsepower
     0.737 56ft-lb/second
FOR TEMPERATURE CONVERSION USE °F=9/5 °C + 32

METRIC / ENGLISH BOLT SUBSTITUTION TABLE
EQUIVALENT
BOLT SIZES		 HOLE
DIAM
(MM)		 METRIC - ASTM GRADE SPECIFIED
F-568
CLASS
4.6		 F-568
CLASS
8.8		 F-588
CLASS
8.8.3		 F-568
CLASS
9.8		 F-568
CLASS
10.9		 A-325M
TYPE
1 OR 2		 A-325M
TYPE
3
METRIC
(MM)		 ENGLISH
(INCHES)
ENGLISH BOLT SUBSTITUTION - ASTM GRADE
M61/47 A-307
GRADE
A		 NOT
REQ'D		 NOT
REQ'D		 A-449
TYPE 1		 A-354
GRADE
BD		 NOT
REQ'D		 NOT
REQ'D
M85/169
M107/1612
M121/214 A-325
TYPE 1,3		 A-354
GRADE
BD

OR
A-490
TYPES
1 OR 3
M149/1616
M165/818 A-325
TYPE
1 OR 3

OR
A-449
TYPE 1		 A-325
TYPE 3
N
O
T

R
E
Q
U
I
R
E
D		 A-325
TYPE
1 OR 3

OR
A-449
TYPE 1		 A-325
TYPE 3
M203/422
M227/824
M24127
M271 1/830
M301 1/434
M361 1/240
M421 3/446 N
O
T

R
E
Q
D		 N
O
T

R
E
Q
D		 A-354
GRADE
BD		 N
O
T

R
E
Q
D		 N
O
T

R
E
Q
D
M48253
M562 1/462
M642 1/270 NOT
REQ'D
M722 3/476
M803 1/486
M903 1/295
M1004107

https://www.nysdot.gov/portal/page/portal/main/business-center/engineering/specifications/specs-repository/convert-bolt.pdf