AREA

- of a square  A = S²

- of a rectangle A = LXW

- of a circle A = or²

- of a triangle A = ½ bh

- of a trapezoid A = ½ h(b1+b2)

- of a parallelogram A = hb

- lateral surface area of cylinder LSA = o dh

- total surface area of a cylinder TSA = o dh + 2(or²)

- lateral surface area of a right rectangular solid  LSA = 2(LH + WH)

- total surface area of a right rectangular solid TSA = 2LH + 2WH + 2LW

Perimeter

- of a square P =4s

- of a rectangle P = 2(L+W)

- of a triangle P = A+B+C

Circumference

- of a circle  C = od   or    C = 2or

Volume

- of a cube V = S³

- of a rectangle V = LWH

- of a cylinder V = or²h

- of any rectangular shaped object V = area of bxh   OR   V = cylinder + rectangle

deca = 10

UNIT = 1

deci = 0.1

centi = 0.01

Milli = 0.001

1 cm = 0.39”

1 mile = 5280 ft

1 m = 39.37”

1 mile = 1760 yd

1” = 25.4 mm

1 mile = 1609 km*

1” = 2.54 cm

1 km = .621 miles*

1 ft = 304.8 mm

1 ft = 30.48 cm

1 m² = 10,000 cm²

1 ft² = 144^{2 “}

1 m² = 1,000,000 mm²

1 ft³ = 1728^{3 “}

1 cm² = 100 mm²

1 yd = 3 ft = 36”

1 yd^{2 =} 9 ft²

1 yd^{2 =} 1296² “

1 yd^{3 =} 27³ ft

 1 L = 1000 ml

1 Lb = .454 kg

1 L = 1000 cm³

1 kg = 2.205 Lb

1 m³ = 100 mm²

1000 kg = 1 tonne

1 metric ton = 2205 lb

1 imp gallon = 4.546 L

1 standard ton = 2000 lb

1 imp gallon = 277” ^{3 *}

1 ft³ = 6.239 gallons *