Square millimeters
What is a square millimeter? One square millimeter equals exactly 0.000001 m². Convert mm² to cm², m², km² and 8 more units.
About these units
One square millimeter equals exactly 0.000001 m².
Also known as
mm2 · mm² · square millimeter · square millimeters · square millimetre · square millimetres · mm^2
Source: BIPM SI Brochure, 9th edition — SI prefixes and accepted non-SI units
Related conversions
square millimeters to square meterssquare millimeters to acressquare millimeters to square centimeterssquare millimeters to hectaressquare millimeters to square kilometerssquare millimeters to square feetsquare millimeters to square inchessquare millimeters to square milessquare millimeters to square yardssquare millimeters to aressquare millimeters to square decimeters
All quantities
LengthMass / weightVolumeTemperatureSpeedTimePressureEnergyPowerData storageFuel economyAngleFrequencyForceTorqueDensityData transfer rateAccelerationElectric chargeElectric currentVoltageCapacitanceAbsorbed doseDynamic viscosityElectrical resistanceIlluminanceKinematic viscosityLuminanceMagnetic flux densityMass flow rateRadioactivityVolumetric flow rateElectrical conductanceEquivalent doseInductanceMagnetic fluxMolar concentrationSolution mass concentrationAmount of substanceAngular velocityCountLuminous fluxLuminous intensityMagnetic field strengthMagnetomotive forceAbsorbed dose rateRadiation exposureThermal conductivity