Reference Charts

Metric Conversions

TO CONVERT:	TO:	MULTIPLY BY:
Inches	Millimeters	25.4
Inches	Centimeters	2.54
Feet	Meters	0.305
Yards	Meters	0.914
Square inches	Square centimeters	6.45
Square feet	Square meters	0.093
Square	yards Square meters	0.836
Ounces	Milliliters	30.0
Pints	(U.S.) Liters	0.473 (lmp. 0.568)
Quarts	(U.S.) Liters	0.946 (lmp. 1.136)
Gallons	(U.S.) Liters	3.785 (lmp. 4.546)
Ounces	Grams	28.4
Pounds	Kilograms	0.454
Millimeters	Inches	0.039
Centimeters	Inches	0.394
Meters	Feet	3.28
Meters	Yards	1.09
Square	centimeters Square inches	0.155
Square	meters Square feet	10.8
Square	meters Square yards	1.2
Milliliters	Ounces	.033
Liters	Pints (U.S.)	2.114 (lmp. 1.76)
Liters	Quarts (U.S.)	1.057 (lmp. 0.88)
Liters	Gallons (U.S.)	0.264 (lmp. 0.22)
Grams	Ounces	0.035
Kilograms	Pounds	2.2

Converting Temperatures

Convert degrees Fahrenheit (F) to degrees Celsius (C) by following this simple formula: Subtract 32 from the Fahrenheit temperature reading. Then, multiply that number by 5/9. For example, 77°F - 32 = 45. 45 × 5/9 = 25°C.

To convert degrees Celsius to degrees Fahrenheit, multiply the Celsius temperature reading by 9/5. Then, add 32. For example, 25°C × 9/5 = 45. 45 + 32 = 77°F.

Metric Plywood Panels

Metric plywood panels are commonly available in two sizes: 1,200 mm × 2,400 mm and 1,220 mm × 2,400 mm, which is roughly equivalent to a 4 × 8-ft. sheet. Standard and Select sheathing panels come in standard thicknesses, while Sanded grade panels are available in special thicknesses.

STANDARD SHEATHING GRADE		SANDED GRADE
7.5 mm	(5/16 in.)	6 mm	(4/17 in.)
9.5 mm	(3/8 in.)	8 mm	(5/16 in.)
12.5 mm	(1/2 in.)	11 mm	(7/16 in.)
15.5 mm	(5/8 in.)	14 mm	(9/16 in.)
18.5 mm	(3/4 in.)	17 mm	(2/3 in.)
20.5 mm	(1 3/16 in.)	19 mm	(3/4 in.)
22.5 mm	(7/8 in.)	21 mm	(1 3/16 in.)
25.5 mm	(1 in.)	24 mm	(1 5/16 in.)

Lumber Dimensions

NOMINAL-U.S.	ACTUAL-U.S. (IN INCHES)	METRIC
1 × 2	3/4 × 1 1/2	19 × 38 mm
1 × 3	3/4 × 2-1/2	19 × 64 mm
1 × 4	3/4 × 3 1/2	19 × 89 mm
1 × 6	3/4 × 5 1/2	19 × 140 mm
1 × 8	3/4 × 7 1/4	19 × 184 mm
1 × 10	3/4 × 9 1/4	19 × 235 mm
1 × 12	3/4 × 11 1/4	19 × 286 mm
1 1/4 × 4	1 × 3 1/2	25 × 89 mm
1 1/4 × 6	1 × 5 1/2	25 × 140 mm
1 1/4 × 8	1 × 7 1/4	25 × 184 mm
1 1/4 × 10	1 × 9 1/4	25 × 235 mm
1 1/4 × 12	1 × 11 1/4	25 × 286 mm
1 1/2 × 4	1 1/4 × 3 1/2	32 × 89 mm
1 1/2 × 6	1 1/4 × 5 1/2	32 × 140 mm
1 1/2 × 8	1 1/4 × 7 1/4	32 × 184 mm
1 1/2 × 10	1 1/4 × 9 1/4	32 × 235 mm
1 1/2 × 12	1 1/4 × 11 1/4	32 × 286 mm
2 × 4	1 1/2 × 3 1/2	38 × 89 mm
2 × 6	1 1/2 × 5 1/2	38 × 140 mm
2 × 8	1 1/2 × 7 1/4	38 × 184 mm
2 × 10	1 1/2 × 9 1/4	38 × 235 mm
2 × 12	1 1/2 × 11 1/4	38 × 286 mm
3 × 6	2-1/2 × 5 1/2	64 × 140 mm
4 × 4	3 1/2 × 3 1/2	89 × 89 mm
4 × 6	3 1/2 × 5 1/2	89 × 140 mm
6 × 6	5 1/2 × 5 1/2	140 × 140 mm

Liquid Measurement Equivalents

1 Pint	= 16 Fluid Ounces	= 2 Cups
1 Quart	= 32 Fluid Ounces	= 2 Pints
1 Gallon	= 128 Fluid Ounces	= 4 Quarts