Conversion métrique

Longueur

				1 pied (pi.)	=	12 pouces (po.)
		1 verge (yd.)	=	3 pieds (pi.)	=	36 pouces (po.)
1 mile (mi.)	=	1760 verges (yd.)	=	5280 pieds (pi.)	=	63360 pouces (po.)

1 pouce = 2,54 cm = 25,4 mm
1 cm = 0,3937 pouces (approx.)
1 Km = 0,621 miles
1 mile = 1.609 Km

Aire

1 mile² = 640 acres
1 acre = 4840 verge²
1 verge² = 9 pi²
1 pi² = 144 pouce²
1 hectare = 10 000 m²
1 acre = 0,4047 hectare

Volume

		1 tasse	=	2 pintes (pt).
		1 pinte (pt.)	=	20 onces (oz.)
1 gallon (gal.)	=	8 pintes (pt.)	=	160 onces (oz.)

1 L = 1 dm³ = 1000 cm³ (cc)

Masse

1 ton = 2240 lb.
1 lb. = 16 oz.
1 carat = 200 mg

Température

°C = (°F - 32) x 5/9
°F = 32 + °C x 9/5
°K = °C + 273,15

Unités

1 deca (D) = 101 1 hecto (h) = 102 1 kilo (K) = 103 1 méga (M) = 106 1 giga (G) = 109 1 téra (P) = 1012 1 peta (T) = 1015 1 exa (E) = 1018 1 zetta (Z) = 1021 1 yotta (Y) = 1024 1 déci (d) = 10-1 1 centi (c) = 10-2 1 milli (m) = 10-3 1 micro (µ) = 10-6 1 nano (n) = 10-9 1 pico (p) = 10-12 1 femto (f) = 10-15 1 atto (a) = 10-18 1 zepto (z) = 10-21 1 yocto (y) = 10-24

Source : Wikipédia