Unit Type
No. of units
Convert from
MillimetersCentimetersMetersKilometersInchesFeetYardsMilesNautical MilesSmoots
Convert to
Sq. MillimeterSq. CentimetersSq. MetersSq. KilometersSq. InchesSq. FeetSq. YardsSq. MilesHectaresAcres
Millimeters /SecCentimeters /SecMeters /SecKilometers /SecKilometers /HourInches /SecFeet /SecYards /SecMiles /SecMiles /HourKnots
GramsKilogramsQuintalsTonnesTolas (in India)OuncesPoundsShort Tons (US)Long Tons (UK)
MillilterLitresCubic MetersCubic InchesCubic FeetCubic YardsOuncesGallonsPintsQuartsTablespoonsTeaspoons
Temperature
Deg. CelciusDeg. FahrenhiteKelvin
17.78 centimeters is equal to 7 inches. This can be compared to a standard pencil (7.5 inches), a credit card (3.37 inches), or the length of an average adult’s index finger (3 inches).