Gulf Equipment Metrology Services

Setting The Standard

  • Laboratory Calibration

    Environmentally controlled facility to ensure high quality and accurate calibrations and measurements.

  • Onsite Calibration

    On-site calibration service available for specific instruments

  • Accreditations

    GEMS is accredited by The American Association for Laboratory Accreditation (A2LA) to ISO 17025

  • Calibration Training

    Equip attendees with knowledge to meet current and future calibration needs Training classes help to save your company money on calibrations

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Unit Conversion Table for Area

A note on the metric system:
Before you use this table convert to the base measurement first. For example, convert centimeters to meters, convert kilograms to grams.

from \ to = __ acres = __ feet2 = __ inches2 = __ meters2 = __ miles2 = __ yards2
acre 43560 6272640 4046.856... (1/640) 4840

foot2

(1/43560) 144 0.09290304 (1/27878400) (1/9)

inch2

(1/6272640) (1/144)

6.4516E - 4

3.587006E - 10 (1/1296)

meter2

2.471054...E - 4

10.76391... 1550.0031 3.861021...E - 7 1.195990...

mile2

640 27878400

2.78784E + 9

2.589988...E + 6

3097600

yard2

(1/4840) 9 1296 0.83612736 3.228305...E - 7

To use: Find the unit to convert from in the left column, and multiply it by the expression under the unit to convert to.
Examples: foot2 = 144 inches2; 2 feet2 = 2x144 inches2.

Useful Exact Area & Length Relationships

acre = (1/640) miles2
mile = 1760 yards = 5280 feet
yard = 3 feet = 36 inches
foot = 12 inches
inch = 2.54 centimeters

Note that when converting area units:
  1 foot = 12 inches
  (1 foot)2 = (12 inches)2 (square both sides)
  1 foot2 = 144 inches2

Mertic / Inch Conversion Chart 

MetricInch Conversion Chart 1- Micro Precision Calibration Services - Google Chr 2012-08-07_11-48-04

MetricInch Conversion Chart 2- Micro Precision Calibration Services - Google Chr 2012-08-07_11-49-01

Unit Conversion Tables for Lengths & Distances

A note on the metric system:
Before you use this table, convert to the base measurement first. For example, convert centimeters to meters, convert kilograms to grams.

The notation 1.23E - 4 stands for 1.23 x 10-4 = 0.000123.

from \ to

= __ feet

= __ inches = __ meters = __ miles = __ yards
foot 12 0.3048 (1/5280) (1/3)
inch (1/12) 0.0254 (1/63360) (1/36)
meter 3.280839... 39.37007...

6.213711...E - 4

1.093613...
mile 5280 63360 1609.344 1760
yard 3 36 0.9144 (1/1760)

To use: Find the unit to convert from in the left column, and multiply it by the expression under the unit to convert to.
Examples: foot = 12 inches; 2 feet = 2x12 inches.

Useful Exact Length Relationships

mile = 1760 yards = 5280 feet
yard = 3 feet = 36 inches
foot = 12 inches
inch = 2.54 centimeters

Calibration Common Conversion Factors

PROPERTY ENGLISH TO METRIC METRIC TO ENGLISH
Multiply By To
Obtain
Multiply By To
Obtain
LENGTH inches 25.4 mm mm .03937 inches
THICKNESS inches 25400 um um 3.937x10-5 inches
AREA inches² 645.16 mm² mm² .00155 inches²
FORCE pounds
(lb)
4.448 Newtons
(N)
Newtons
(N)
.2248 pounds
(lb)
TORQUE inch-
pounds
(in-lbs)
.113 Newton-
Meter
(N*m)
Newton-
Meter
(N*m)
8.851 inch-
pounds
(in-lbs)
STRESS PSI .006895 MPa MPa 145.04 PSI
STRESS KSI 6.895 MPa MPa .14504 KSI