K = K0 . ( 1 + r )n
K0 is start value
K is value after n years
r is rente.
G = y . 1 - ( 1 + r )n
r
------------------------------------
circle = 2 x pi x r
area of circle = pi x r x r
area of ball =4 x pi x r x r
volume of cylinder = h x pi x r x r
distance from earth to mars = 78 mio to 378 mio
distance from earth to sun = 150 mio km
radius of earth = 6378 km
radius of jupiter = 70,000 km
radius og sun =696,000 km
IMPERIAL
|
Length
|
Area
|
Capacity
|
Weight
|
||
|
|
1 sq. mile = 640 acres
1 acre = 4840 sq. yard 1 sq. yard = 9 sq. feet 1 sq. foot = 144 sq. inches |
1 gal. = 4 quarts
1 quart = 2 pints 1 pint = 4 gills 1 pint = 34.6774 inchs3 1 gill = 5 fl. oz. 1 fl. oz. = 8 fl. drachms 1 US gal = 0.8327 gal 1 US pint = 0.8327 pint 1 US pint = 16 fl. oz. 1 yard3 = 27 feet3 1 foot3 = 1728 inches3 |
|
METRIC
|
Length
|
Area
|
Capacity
|
Weight
|
|
1 km = 10 hm
1 km = 1000 m 1 hm = 100 m 1 m = 10 dm 1 dm = 10 cm 1 cm = 10 mm |
1 km2 = 100 hectares
1 hectare = 100 ares 1 are = 100 m2 1 m2 = 100 dm2 1 dm2 = 100 cm2 1 cm2 = 100 mm2 |
1 m3 = 1000 litres
1 litre = 1 dm3 1 litre = 1000 cc 1 litre = 1000 ml |
1 tonne = 1000 kg
1 kg = 1000 g 1 g = 1000 mg |
|
Length
|
Area
|
Capacity
|
Weight
|
|
|
|
1 sq. mile = 2.59 km2
1 acre = 0.4047 hectares 1 acre = 4046.86 m2 1 sq. yard = 0.8361 m2 1 sq. foot = 0.0929 m2 1 sq. inch = 645.16 mm2 |
1 gallon = 4.5461 litres
1 US gallon = 3.785 litres 1 pint = 0.5683 litres 1 cu. inch = 16.3871 cm3 |
1 ton = 1.016 tonnes
1 lb. = 0.4536 kg 1 oz. = 28.3495 g 1 US ton = 0.9072 tonnes |
METRIC to IMPERIAL
|
Length
|
Area
|
Capacity
|
Weight
|
|
1 km = 0.6214 miles
1 m = 1.0936 yards 1 m = 3.2808 feet 1 mm = 0.0394 inches |
1 km2 = 0.3861 mile2
1 km2 = 247.105 acres 1 hectares = 2.4711 acres 1 m2 = 10.7639 feet2 1 mm2 = 0.0016 inches2 |
1 litre = 0.22 gal.
1litre = 0.2642 US gal. 1 litre = 1.7598 pint 1 m3 = 219.969 gal. 1 m3 = 35.3147 feet3 |
1 tonne = 0.9842 ton
1 tonne = 1.1023 US ton 1 kg = 2.2046 lb. 1 kg = 35.274 oz. |
|
deg. C to deg. F
|
deg. F to deg. C
|
|
deg. C x 9/5 + 32 = deg. F
|
(deg. F - 32) x 5/9 = deg. C
|