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Converting from Grams
Use this reference when using balances and scales to convert
from grams to other units.
| To Convert To: |
Multiply by: |
| Carats |
5.0 |
| Pennyweight |
0.6430149 |
| Troy Ounces |
0.03215075 |
| Avoirdupois Ounces |
0.03527396 |
| Grains |
15.43236 |
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Inches to Millimeters
To convert inches to millimeters:
Starting with a fraction: divide the numerator by the denominator
to get a decimal. Multiply the decimal by 25.4 to get the millimeters.
Example: start with 5/8": 5 ÷ 8 = .625 x 25.4 = 15.875mm
To convert millimeters to inches:
Multiply the millimeter size by .03937 to get the inch equivalent.
Example: start with 16mm: 16 x .03937 = .62992" (5/8")
| inches |
decimals |
milimeters |
| 1/64 |
0.01563 |
0.39688 |
| 1/32 |
0.03125 |
0.79375 |
| 1/16 |
0.0625 |
1.5875 |
| 1/8 |
0.125 |
3.175 |
| 1/4 |
0.250 |
6.35 |
| 1/2 |
0.50 |
12.7 |
| 1 |
1.00 |
25.4 |
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Linear Measure Conversions
Metric to English
1 millimeter = 0.03937 inches
1 centimeter = 0.3937 inches
1 meter = 39.37 inches
1 meter = 3.2808 feet
1 kilometer = 0.621 miles
English to Metric
1 mil = 0.0254 millimeters
1 inch = 2.54 centimeters
1 foot = 0.3048 meters
1 yard = 0.9144 meters
1 rod = 5.029 meters
1 mile = 1.6093 kilometers
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Measurement Conversion Table
| To convert from |
to |
multiply by |
| Avoirdupois ounces |
troy ounces |
.91146 |
| |
grams |
28.3495 |
| |
dwt |
18.2291 |
| Avoirdupois pounds |
grams |
453.592 |
| |
dwt |
291.666 |
| |
troy ounces |
14.583 |
| Carats |
grains |
3.0865 |
| |
dwt |
.12860 |
| |
grams |
.2 |
| Cubic centimeters |
cubic inches |
.061 |
| |
fluid ounces |
.0338 |
| Cubic inches |
cubic centimeters |
16.387 |
| |
fluid ounces |
.554 |
| dwts (pennyweights) |
carats |
7.776 |
| |
grams |
1.5552 |
| |
troy ounces |
.05 |
| |
avoirdupois ounces |
.05486 |
| Feet |
meters |
.3048 |
| Fluid ounces |
cubic centimeters |
29.5737 |
| |
cubic inches |
1.80469 |
| Grains |
carats |
.324 |
| |
grams |
.0648 |
| |
dwt |
.04167 |
| |
carats |
5.0 |
| |
dwt |
.64301 |
| |
troy ounces |
.03215 |
| Inches |
millimeters |
25.40 |
| |
meters |
.0254 |
| Kilograms |
avoirdupois ounces |
2.2046 |
| |
troy ounces |
32.1507 |
| |
dwt |
643.014 |
| |
pounds |
2.20 |
| Meters |
feet |
3.2808 |
| Millimeters |
inches |
.03937 |
| Pounds |
kilograms |
.4535 |
| Troy Ounces |
grams |
31.1035 |
| |
avoirdupois ounces |
14.583 |
| |
dwt |
20 |
| |
avoirdupois pounds |
.06857 |
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Measurement Equivalents
1 meter (m) = 10 decimeters (dm) =
100 centimeters (cm) = 1000 millimeters (mm)
1 meter (m) = 0.1 decameter (dkm) = 0.01
hectometer (hm) = 0.001 kilometer (km)
1 meter (m) = 39.37 in., U.S. Standard =
39.370113 in., British Standard
1 millimeter (mm) = 1000 microns (µ) = 0.03937
in. = 39.37 mils.
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RPM Formula
To determine RPM using various positions on a stepped
pulley, use this formula: motor pulley diameter ÷ arbor pulley
diameter × motor speed = RPM achieved. Below are RPMs for a 1725rpm
motor:
| Motor Pulley |
|
Arbor Pulley |
|
Motor Speed |
|
rpm |
| 2" |
÷ |
2" |
× |
1725 |
= |
1725 |
| 2" |
÷ |
3" |
× |
1725 |
= |
1150 |
| 3" |
÷ |
2" |
× |
1725 |
= |
2588 |
| 3" |
÷ |
4" |
× |
1725 |
= |
1294 |
| 4" |
÷ |
3" |
× |
1725 |
= |
2300 |
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Surface Area Conversions
Metric to English
1 sq. centimeter = 0.15499 sq. inches
1 sq. meter = 1.196 sq. yards
1 sq. kilometer = 0.386 sq. miles
English to Metric
1 sq. inch = 6.452 sq. centimeters
1 sq. foot = 929.03 sq. centimeters
1 sq. yard = 0.8361 sq. meters
1 sq. rod = 25.292 sq. meters
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Volume (Measure) Conversions
Metric to English
1 cubic centimeter = 0.06102 cubic inches
1 cubic meter = 35.314 cubic feet
English to Metric
1 cubic inch = 16.387 cubic centimeters
1 cubic foot = 0.0283 cubic meters
1 cubic yard = 0.7646 cubic meters
1 cord foot = 0.453 cubic meters
1 cord = 3.625 cubic meters
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Weight (Mass) Conversions
Troy to Metric
1 grain = 0.0648 grams
1 pennyweight = 1.5552 grams
1 troy ounce = 31.1035 grams
1 troy pound = 373.24 grams
Carat to Metric
1 grain = 0.648 grams
1 carat = 200 milligrams
1 point = 2 milligrams
Avoirdupois to Troy
1 grain = 1 grain
1 ounce Avoir. = 0.914 troy ounce
1 pound Avoir. = 14.5833 troy ounce
Avoirdupois to Metric
1 grain = 0.0648 grams
1 ounce Avoir. = 28.3495 grams
1 pound Avoir. = 453.59 grams
2.2 pounds Avoir. = 1 kilogram
1 short ton = 907.18 kilograms
1 short ton = .90718 metric tons
Carat to Avoirdupois
1 carat = .007 ounces Avoir.
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