Units Currencies
Constants
Units Home
Unit Conversion
List Units
List Categories
Currencies
Convert Units
SI System
Base Units
Derived Units
Prefixes
Numbers
Constants
Base-N
Fractions
Time / Decimal
Resources
Bibliography
Metal 3D Printing Design Guide

Direct Metal Laser Sintering (DMLS) 3D printing for parts with reduced cost and little waste.

STEM Career Outlook

Wages, employment opportunities, and growth projections for STEM jobs.

Injection Molding Design Guide

Guide for high quality and cost-effective plastic injection molding.

Essentials of Manufacturing

Information, coverage of important developments and expert commentary in manufacturing.

more free publications

Materials

Design

Processes

Units

Formulas

Math
 
square inch
Symbol:  in2, sq. in 
Category:  Area 
SI Equivalent:  6.4516×10-4 m2
Dimension:  L2 
System:  UK, US, FPS 
Convert     in2, sq. in  
1 in2, sq. in =
Area
  Symbol Unit Name
1.59423×10-7  ac, acre  acre 
6.4516×10-6  a  are 
6.4516×1024  b  barn 
1.64914×10-3  bbl (US, liq.)/ft  barrel (US, liq.) per foot 
1.37429×10-4  bbl (US, liq.)/in  barrel (US, liq.) per inch 
1.23686×10-3  bbl (US, petrol)/ft  barrel (US, petrol) per foot 
1.03072×10-4  bbl (US, petrol)/in  barrel (US, petrol) per inch 
6.4516×10-4    centare 
1.27324  cin  circular inch 
1.27324×106  cmil  circular mil 
6.4516×10-8  ha  hectare 
7.82548×10-8    morgen (Dutch) 
2.54778×10-7    morgen (Prussian) 
7.53225×10-8    morgen (South Africa) 
9.96391×10-10    quarter section 
6.3769×10-7    rood (UK) 
2.49098×10-10  sq.mi, mi2 (stat.)  section (square statute mile) 
6.4516×1048    shed 
6.4516  cm2  square centimeter 
6.94444×10-7  sq. ch. (engineer's)  square chain (engineer's) 
1.59423×10-6  sq. ch. (Gunter's)  square chain (Gunter's) 
6.4516×10-6  dam2  square decameter 
6.4516×10-2  dm2  square decimeter 
6.4516×10-40  Em2  square exameter 
6.4516×1026  fm2  square femtometer 
6.4516×1026  f2  square fermi 
6.94444×10-3  ft2  square foot 
6.4516×10-22  Gm2  square gigameter 
6.4516×10-8  hm2  square hectometer 
6.4516×10-10  km2  square kilometer 
6.4516×10-16  Mm2  square megameter 
6.4516×10-4  m2  square meter 
6.4516×108  µm2  square micrometer 
10×105  mil2  square mil (thou) 
1.17131×10-11  sq. mi. (geogr.)  square mile (geographical) 
1.88099×10-10  sq. mi. (int. naut.)  square mile (int. naut.) 
2.49097×10-10  sq. mi. (int.)  square mile (int.) 
645.16  mm2  square millimeter 
6.4516×1014  nm2  square nanometer 
2.55075×10-5  rd2  square perch 
6.4516×10-34  Pm2  square petameter 
6.4516×1020  pm2  square picometer 
2.55075×10-5  rd2  square pole 
2.55075×10-5  rd2  square rod 
6.4516×10-28  Tm2  square terameter 
7.71605×10-4  yd2, sq. yd  square yard 
6.4516×1044  ym2  square yoctometer 
1.89595×10-42  Ym2  square yottameter 
6.4482×1038  zm2  square zeptometer 
1.89595×10-42  Zm2  square zettameter 
6.91938×10-12    township (US) 
3.58701×10-7    vergee (Jersey) 
4.18484×10-7    vergees (Guernsey) 
Fuel Consumption
  Symbol Unit Name
274.286  gal/mile  gallon per mile 
6.4516×104  l/100 km  liter per 100 kilometers 
645.16  l/km  liter per kilometer 
Hydrodynamic permeability
  Symbol Unit Name
6.53708×108    darcy 
Glossary
FREE Publications
Metal 3D Printing Design Guide

Direct Metal Laser Sintering (DMLS) 3D printing for parts with reduced cost and little waste.

STEM Career Outlook

Wages, employment opportunities, and growth projections for STEM jobs.

Injection Molding Design Guide

Guide for high quality and cost-effective plastic injection molding.

Essentials of Manufacturing

Information, coverage of important developments and expert commentary in manufacturing.

more publications