CONVERTITORE DI UNITÀ DI MISURA

Inserire un valore in qualsiasi campo."ok" calcola."ko" cancella.
 LUNGHEZZA
 in(inch-pollice)=   ft(feet-piede)=   m(metri)
 AREA
 in(inch-pollice)2 =  ft(feet-piede)2 =  m(metri)2
 VOLUME
 in3 =  ft3 =  dm3(l)
 MASSA
 lb =  kg
 DENSITÁ
 lb/ft3 =  kg/m3
 FORZA
 lbf =  kG =  N
 COPPIA
 lbf·ft =  kG·m =  N·m
 PRESSIONE
 in H2O =  in Hg =  mm Hg =  lbf/in2 (psi) =  atm =  kG/cm2 (at) =  kPa
 ENERGIA
 kcal =  Btu =  hp·h =  kWh =  kJ
 POTENZA
 hp =  metric hp =  kW
 VELOCITÁ
 ft/min =  mi/h =  m/min =  km/h =  m/s
 FLUSSO
 ft3/min (cfm) =  m3/h =  m3/min =  m3/s
 TEMPERATURA
 °F =  °C
 CONSUMI
 mi/gal (US) =  l/100 km


SCALA IMPERIALE SCALA METRICA
Full Size 1:1
Half Size 1:2
3"=1’-0" 1:5 (1:4)
1 ½"=1’-0" 1:10 (1:8)
½"=1’-0" 1:25 (1:24)
¼"=1’-0" 1:50 (1:48)
1/8"=1’-0" 1:100 (1:96)
1/16"=1’-0" 1:200 (1:192)
½"=10’-0" 1:250 (1:240)
¼"=10’-0" 1:500 (1:480)
1/8"=10’-0" 1:1000 (1:960)
1/16"=10’-0" 1:2000 (1:1920)


1 km 1000 m 100 000 cm 1000 000 mm
0.001 km 1 m 100 cm 1000 mm
0.00001 km 0.01 m 1 cm 10 mm
0.000001 km 0.001 m 0.1 cm 1 mm


1 km2 100 ha 1 000 000 m2 100 000 000 000 000 cm2
0.01 km2 1 ha 10 000 m2 100 000 000 cm2
0.001 km2 ha 1 m2 10 000 cm2
0.00001 km2 ha 0.01 m2 1 cm2


QUANTITÀ UNITÀ SIMBOLO
Lunghezza chilometro km
  metro m
  decimetro dm
  centimetro cm
  millimetro mm
     
Volume metro cubo m3
  decimetro cubo dm3
  centimetro cubo cm3
  millimetro cubo mm3
Liquidi litro L
  millilitro mL
     
     
Velocità chilometri all'ora km/h
  metri al minuto m/m
  metri al secondo m/s
Forza newton N
Pressione pascal Pa
Potenza watt W
Energia, Lavoro joule J
Illuminanza lux lx
Luminanza candela ca
Flusso Luminoso lumen lm
Radioattività becquerel Bq
Absorbed Dose gray Gy
Area chilometro quadrato km2
  metro quadrato m2
  decimetro quadrato dm2
  centimetro quadrato cm2
  millimetro quadrato mm2
  ettaro ha
Peso tonnellata t
  chilogrammo kg
  grammo g
  milligrammo mg
Angolo gradi (1) °
  minuti m; (1)‘
  secondi s; (1)"
  radianti rad
Temperatura Celsius ° C
  Kelvin K
     
Corrente Elettrica ampere A
Potenziale elettrico volt V
Carica elettrica coulomb C
Resistenza elettrica ohm W
Capacità farad F
Conduttanza siemens S
Flusso Magnetico weber Wb
Densità di flusso magnetico tesla T
Induttanza henry H


FATTORE PREFISSO SIMBOLO

1 000 000 000 000 000 000 = 1018

exa

E

1 000 000 000 000 000 = 1015

peta

P

1 000 000 000 000 = 1012

 tera T

1 000 000 000 = 109

 giga G

1 000 000 = 106

 mega M

1 000 = 103

 kilo k

100 = 102

 hecto h

10 = 101

 deka da

0.1 = 10-1

 deci d

0.01 = 10-2

 centi c

0.001 = 10-3

 milli m

0.000 001 = 10-6

 micro m

0.000 000 001 = 10-9

 nano n

0.000 000 000 001 = 10-12

 pico p

0.000 000 000 000 001 = 10-15

 femto f

0.000 000 000 000 000 001 = 10-18

 atto a


LUNGHEZZA
1 statute mile = 1.609344 km 1 km = 0.6213712 statute mile
1 yd = 0.9144 m 1 m = 1.0936133 yd
1 ft = 0.304799 m 1 m = 3.280851 ft
1 in = 2.5399956 cm 1 cm = 0.39370147 in
1 in = 25.399956 mm 1 mm = 0.03937014 in
AREA
1 mile2 = 2.589998 km2 1 km2 = 0.3861007 statute mile
1 acre = 0.4046873 ha 1 ha = 2.4710437 acres
1 acre = 4046.873 m2 1 m2 = 0.0002471 acres
1 yd2 = 0.8361274 m2 1 m2 = 1.19599 yd2
1 ft2 = 0.09290304 m2 1 m2 = 10.7639104 ft2
1 in2 = 645.16 mm2 1 mm2 = 0.0015500 in2
VOLUME
1 acre ft = 1233.489 m3 1 m3 = 0.0008107 acre ft
1 yd3 = 0.7645549 m3 1 m3 = 1.307951 yd3
100 board ft = 0.2359737 m3 1 m3 = 4.2377604 board ft
1 ft3 = 0.02831685 m3 1 m3 = 35.3147 ft3
1 in3 = 16387.06 mm3 1 mm3 = 0.000061 in3
1 in3 = 16.3871 cm3 1 cm3 = 0.061024 in3
1 barrel = 0.1589873 m3 1 m3 = 6.2898106 barrel
CAPACITA' FLUIDI
1 gal (US) = 3.785412 L 1 L = 0.264172 gal (US)
1 qt (US) = 946.3529 mL 1 mL = 0.0010567 qt (US)
1 pt (US) = 473.1765 mL 1 mL = 0.0021134 pt (US)
1 fl oz (US) = 29.5735 mL 1 mL = 0.0338141 fl oz (US)
1 gal (US) = 0.003785412 m3 1 m3 = 264.1720373 gal (US)
1 barrel (US) = 158.98 L 1 L = 0.0062901 barrel (US)
1 gal (US) = 0.83333 gal (UK) (approx.) 1 L = 0.001 m3 (approx.)
ANGOLI
1° (degree) = 0.01745329 rad 1 rad = 57.2957878° (degree)
1° (degree) = 17.45329 mrad 1 mrad = 0.0572958° (degree)
1’ (minute) = 290.8882 urad 1 urad = 0.0034377’ (minute)
1" (second) = 4.848137 urad 1 urad = 0.2062648" (second)
VELOCITA'
1 ft/m = 0.3048 m/m 1 m/m = 3.2808399 ft/m
1 ft/m = 0.00508 m/s 1 m/s = 196.8503937 ft/m
1 ft/s = 0.3048 m/s 1 m/s = 3.2808399 ft/s
1mile/h = 1.609344 km/h 1 km/h = 0.6213712 mile/h
1mile/h = 0.44704 m/s 1 m/s = 2.2369363 mile/h
TEMPERATURA
°F = [ (°F - 32) /1.8 ] oC °C = (°C x 1.8 + 32 ) °F
Example:   60 °F = [ (60 - 32) /1.8] = 15.6 °C Example:   30 °C = (30 x 1.8 + 32 ) = 86°F
FLUSSO
1 ft3/s = 0.02831685 m3/s 1 m3/s = 35.3146625 ft3/s
1 ft3/min = 0.4719474 L/s 1 L/s = 2.1188802 ft3/min
1 gal/min = 0.0630902 L/s 1 L/s = 15.8503222 gal/min
1gal/min = 0.0038 m3/min 1 m3/min = 263.1578947 gal/min
1 gal/hour = 1.0515 mL/s 1 mL/s = 0.9510223 gal/hour
1 million gal/d = 43.8126 L/s 1 L/s = 0.0228245 million gal/d
1 acre ft/s = 1233.49 m3/s 1 m3/s = 0.0008107 acre ft/s
MASSA(PESO)
1 ton (short) = 0.907185 metric ton 1 metric ton = 1.102311 ton (short)
1 ton (short) = 907.1847 kg 1 kg = 0.0011023 ton (short)
1 ton (long) = 1016.04706 kg 1 kg = 0.0009842 ton (long)
1 lb = 0.4535924 kg 1 kg = 2.2046225 lb
1 oz = 28.34952 g 1 g = 0.035274 oz
Note: 1 long ton = 1.12 short ton = 2240 lb
MASSA PER UNITA' DI AREA
1 lb/ft2 = 4.882428 kg/m2 1 kg/m2 = 0.2048161 lb/ft2
1 oz/yd2 = 33.90575 g/m2 1 g/m2 = 0.0294935 oz/yd2
1 oz/ft2 = 305.1517 g/m2 1 g/m2 = 0.0032771 oz/ft2
DENSITA'
1 lb/ft3 = 16.01846 kg/m3 1 kg/m3 = 0.062428 lb/ft3
1 lb/yd3 = 0.5932764 kg/m3 1 kg/m3 = 1.685555 lb/yd3
1 ton/ yd3 = 1.186553 t/m3 1 t/m3 = 0.8427774 ton/ yd3
FORZA
1 tonf (ton-force) = 8.89644 kN 1 kN = 0.1124045 tonf (ton-force)
1 kip (1,000 lbf) = 4.44822 kN 1 kN = 0.224809 kip (1,000 lb)
1 lbf (pound-force) = 4.44822 N 1 N = 0.224809 lbf (pound-force)
MOMENTO DI FORZA
1 lbf· f = 1.355818 N· m 1 N· m = 0.7375621 lbf· f
1 lbf· in = 0.1129848 N· m 1 N· m = 8.8507481 lbf· in
1 tonf· ft = 2.71164 kN· m 1 kN· m = 0.3687805 tonf· ft
1 kip· ft = 1.35582 kN· m 1 kN· m = 0.737561 kip· ft
FORZA PER UNITÁ DI LUNGHEZZA
1 lb/ft = 14.5939 N/m 1 N/m = 0.0685218 lb/ft
1 lbf/in = 175.1268 N/m 1 N/m = 0.0057101 lb/in
1 tonf/ft = 29.1878 kN/m 1 kN/m = 0.0342609 tonf/ft


PRESSIONE,STRESS
1 tonf/in2 = 13.7895 Mpa 1Mpa = 0.0725189 tonf/in2
1 tonf/ft2 = 95.7605 kPa 1 kPa = 0.0104427 tonf/ft2
1 kip/in2 = 6.894757 Mpa 1 Mpa = 0.1450377 kip/in2
1 lbf/in2 = 6.894757 kPa 1 kPa = 0.1450377 lbf/in2
1 lbf/ft2 = 47.8803 Pa 1 Pa = 0.0208854 lbf/ft2
Atmosphere = 101.3250 kPa 1 kPa = 0.0098692 Atmosphere
1 inch mercury = 3.37685 kPa 1 kPa = 0.296134 inch mercury
1 foot water column = 2.98898 kPa 1 kPa = 0.3345623 foot water column
LAVORO, ENERGIA, CALORE
1 kWh (550 ft· lbf/s) = 3.6 MJ 1 MJ = 0.2777778 kWh (550 ft· lbf/s)
1 BTU = 1.055056 kJ 1 kJ = 0.947817 BTU
1 BTU = 1055.056 J 1 J = 0.0009478 BTU
1 ft· lbf = 1.355818 J 1 J = 0.7375621 ft· lbf
TRASMISSIONE DI CALORE
1 BTU/(ft2· h· °F) = 5.678263 W/(m2· K) 1 W/m2· K = 0.1761102 BTU/(ft2· h· °F)
CONDUTTIVITA' TERMICA
1 BTU/(ft· h· °F) = 1.730735 W/(m· K) 1 W/m· K = 0.5777892 BTU/(ft· h· °F)
ILLUMINANZA
1 lm/ft2(footcandle) = 10.76391 lx (lux) 1 lx = 0.092903 lm/ft2(footcandle)
LUMINANZA
1 cd/ft2 = 10.7639 cd/m2 1 cd/m2 = 0.0929031 cd/ft2
1 foot lambert = 3.426259 cd/m2 1 cd/m2 = 0.2918635 foot lambert
1 lambert = 3.183099 kcd/m2 1 kcd/m2 = 0.3141593 lambert