Units-Calculator
centimeter (cm) : inches (in) :
meter (m) : feet (ft) :
gramm (g): kilogramm (kg) :
tonnen (to) : grain (gr) :
pound (lb.)-mass : ounce (oz.) :
square in.(sq.in.) : centimeter2 (cm2) :
square feet (sq.ft.) : meter2 (m2) :
decimal places displayed :  
length
1 inch (in) = 2,54 cm 1 cm = 0,3937 in.
1 mil = 1/1000 in. = 2,54*10-3cm 1 mm = 39,37 mil
1 microinch = 2,54*10-6 m 1 mikrometer = 39,37 microinch
1 foot (ft.)= 12 in. = 30,48 cm 1 cm = 0,0328 ft.
1 yard = 3 ft. = 91,44 cm 1 m = 1,0936 yd.
1 rod (rd.) = 5,5 yd. = 5,0292 m 1 m = 0,1988 rd.
1 mile (statute) = 1,60934 km 1 km = 0,6214 mile (st.)
1 mile (nautical) = 1,853 km 1 km = 0,54 mile (naut.)

mass
1 grain (gr.) = 0,0648 g 1 g = 15,432 gr.
1 dram (dr.) = 1,7718 g 1 g = 0,56439 dr.
1 ounce (oz.) = 28,35 g 1 g = 0,0353 oz.
1 pound (lb.)-mass = 0,45359 kg 1 kg = 2,205 lb.-mass
1 slug = 14,594 kg 1 kg = 0,0685 slug
1 ton (short) = 907,185 kg 1 to = 1,102 ton short
1 ton (long) = 1,01605 to 1 to = 0,984 ton long

area
1 square in.(sq.in.) = 6,4516 cm2 1 cm2 = 0,1550 sq.in.
1 sq.ft. = 144 in.2 = 0,0929 m2 1 m2 = 10,7639 sq.ft.
1 sq.yd. = 9 ft.2 = 0,8361 m2 1 m2 = 1,19599 sq.yd.
1 sq.rd. = 25,293 m2 1 m2 = 0,0395 sq.rd.
1 acre(A)=4840 sq.yd. =0,404687 ha 1 a = 0,0247 acre
1 sq.mile = 2,58999 km2 1 km2 = 0,387 sq.mile
1 barn = 1*10-24cm2 1 a = 119,6 sq.yd.