Metric Basics

The three basic metric units are the meter (length), the gram (weight), and the liter (volume). The key to metric prefixes are:

  • 1000 = kilo
  • 100 = hecto
  • 10 = deca
  • 0.1 = deci
  • 0.01 = centi
  • 0.001 milli

Common Measurements


Length

1 Kelometer

= 0.62137 mi

1 Meter

= 3.2808 ft

1 Centimeter

= 0.3937 in

1 Mile

= 1.6093 km

1 Foot

= 0.3048 m

1 Inch

= 2.54 cm

 

Weight

1 kilogram

= 2.2046 lbs

1 gram

= 0.0353 oz

1 short ton

= 907.1847 kilos

1 pound

= 0.4536 kilos

1 ounce

= 28.3495 g

 

Volume

1 hectoliter

= 100 l

= 0.1 m³

= 26.4172 gal

1 liter

= 100 cl

= 1 dm³

= 1.0567 qt

1 gallon (U.S.)

= 3.7853 l

 

 

1 cubic inch

= 16.3871 cm³

 

 

 

Area

1 square kilometer

= 1 million m²

= 0.3861 mi²

1 hectare

= 10,000 m²

= 2.471 acres

1 square meter

= 10.7639 ft²

= 1550.003 in²

1 square mile

= 640 acres

= 258.9988 ha²

1 square foot

= 144 in²

= 929.0304 cm²

Easy Conversions

 

Symbol

If You Know

Multiply By

To Find

Symbol

Length

mm

millimeters

0.03937

inches

in

cm

centimeters

0.3937

inches

in

m

meters

3.3

feet

ft

m

meters

1.1

yards

yd

km

kilometers

0.62

miles

mi

in

inches

2.54

centimeters

cm

ft

feet

30.48

centimeters

cm

yd

yards

0.9144

meters

m

Area

cm²

square centimeters

0.16

square inches

in²

square meters

1.2

square yards

yd²

km²

square kilometers

0.4

square miles

mi²

ha²

hectares (10,000 m²)

2.5

acres

 

in²

square inches

6.5

square centimeters

cm²

ft²

square feet

0.09

square meters

yd²

square yards

0.8

square meters

mi²

square miles

2.6

square kilometers

km²

Weight

g

grams

0.035

ounces

oz

kg

kilograms

2.2046

pounds

lb

t

tonnes (1,000 kg)

1.1

short tons

 

oz

ounces

28.3495

grams

g

lb

pounds

0.45

kilograms

kg

Volume

ml

milliliters

0.03

fluid ounces

fl oz

l

liters

2.1

pints

pt

l

liters

1.06

quarts

qt

l

liters

0.26

gallons

gal

cubic meters

35.314

cubic feet

ft³

cubic meters

1.3

cubic yards

yd³

tsp

teaspoons

5

milliliters

ml

tbsp

tablespoons

15

milliliters

ml

fl oz

fluid ounces

30

milliliters

ml

c

cups

0.24

liters

l

pt

pints

0.47

liters

l

ot

quarts

0.97

liters

l

gal

gallons

3.8

liters

l

ft³

cubic feet

0.03

cubic meters

yd³

cubic yards

0.76

cubic meters

Back to Useful Information

Contact

Ho Chi Minh Head Office

Add:
3rd Floor, Nguyen Lam Tower, 133 Duong Ba Trac Street, Ward 1, Dist. 8, Ho Chi Minh City, Viet Nam

Hai Phong branch office

Add:
R402A, 4 Floor, TD Building, 20A Le Hong Phong Str., Ngo Quyen Dist., Hai Phong City, Vietnam

MOC BAI BORDER office

Add:
Kios 21, Thuan Tay Hamlet, Loi Thuan Ward, Ben Cau Dist., Tay Ninh Province, Vietnam

HO CHI MINH Customs Broker Office

Add:
3rd Floor, Nguyen Lam Tower, 133 Duong Ba Trac Street, Ward 1, Dist. 8, Ho Chi Minh City, Viet Nam

DONG NAI Customs Broker Office

Add:
R401-4, Amata Service Center, Long Binh Ward, Bien Hoa City, Dong Nai Province, Vietnam

DA NANG BRANCH OFFICE

Add:
4th Floor, Sunrise Building 2, No. 10 Ngo Gia Tu Str., Thach Thang Ward, Hai Chau District, Da Nang City, Vietnam

Cambodia branch office

Add:
Orkide Villa (St.2004) #TC11, St. LyLy, Sangkat Ou Bek Kaaom, Khan Sen Sok Phnom Penh, Cambodia.