Unit converters
Precise units for everyday, scientific and international work. Choose a section to find the right tool quickly.
Compare measurements for building plans, travel distances, fabric and workshop drawings.
19 tools →Land & floor areaCompare property listings, floor plans, field areas and land records.
19 tools →Surface areaConvert machining, print, material and laboratory surface measurements.
11 tools →Volume & capacitySize storage containers, measure liquids and compare capacity labels.
21 tools →Cooking measuresScale recipe liquid measures while keeping US, metric, Australian and imperial conventions explicit.
19 tools →Mass & weightCompare shipping weights, ingredients, material quantities and product specifications.
21 tools →Precious metal massRead metal specifications with explicit troy and metric units.
13 tools →TemperatureConvert weather, storage and scientific temperature readings using the correct scale offset.
6 tools →Temperature differencesCompare temperature changes and tolerances without applying absolute-temperature offsets.
5 tools →Time durationsConvert elapsed durations for time sheets, timers, logs and study schedules.
15 tools →SpeedCompare road, marine, athletic and industrial speeds.
15 tools →AccelerationConvert motion, vibration and inertial acceleration specifications.
13 tools →Pressure & stressCompare tire gauges, pump ratings, weather pressure and material stress.
19 tools →Energy & workCompare electricity, heat, food energy and mechanical work.
21 tools →PowerRead appliance, motor, cooling and heating power ratings.
17 tools →ForceCompare loads in mechanics and equipment specifications.
15 tools →TorqueConvert tightening and motor torque specifications.
13 tools →AnglesConvert drafting, surveying, navigation and mathematical angles.
11 tools →FrequencyConvert signal, audio and processor frequencies.
11 tools →Rotational speedTranslate motor, spindle and animation angular speeds.
9 tools →Digital storageCompare decimal drive sizes, binary memory sizes and byte counts.
21 tools →Data transfer ratesCompare network link speeds and download throughput.
17 tools →DensityTranslate material densities for mass and volume calculations.
13 tools →Liquid & air flowCompare pump, irrigation, ventilation and filling flow rates.
17 tools →Mass flowCompare production, feed, dosing and material throughput by mass.
13 tools →Dynamic viscosityRead liquid viscosity specifications for laboratory and equipment comparisons.
11 tools →Kinematic viscosityCompare fluid kinematic viscosity units used in lubricant and laboratory specifications.
9 tools →Electric currentCompare sensor, circuit and power-supply currents.
9 tools →VoltageConvert instrument, signal and power-system voltage units.
9 tools →Electrical resistanceCompare resistor, insulation and contact resistance readings.
9 tools →CapacitanceInterpret capacitor labels and electronic circuit values.
9 tools →InductanceCompare inductor, coil and circuit inductance values.
7 tools →Electric charge & battery capacityCompare charge quantities and rated ampere-hour capacity.
11 tools →Electrical conductanceCompare reciprocal-resistance measurements.
7 tools →Magnetic flux densityInterpret magnetic field specifications from sensors, magnets and instruments.
9 tools →Magnetic fluxConvert magnetic flux readings in electromagnetic calculations.
7 tools →IlluminanceCompare lighting specifications for workspaces, photography and grow lights.
7 tools →Thermal conductivityCompare insulation and material thermal-conductivity specifications.
7 tools →Specific heat capacityCompare heat-capacity data for material energy estimates.
7 tools →Heat fluxConvert heating and cooling power per unit surface area.
7 tools →Insulation R valuesTranslate area-normalized thermal resistance between SI and US building units.
5 tools →Fuel economy distance per volumeCompare vehicle efficiency stated as distance traveled per unit fuel.
5 tools →Mass concentrationCompare stated laboratory, water-quality and ingredient mass concentrations.
11 tools →Molar concentrationConvert concentration units when the amount is already expressed in moles.
9 tools →Amount of substanceCompare chemical quantities in SI amount-of-substance units.
9 tools →Percent, ppm & fractionsCompare dimensionless fractions used in tolerances, mixtures and statistics.
9 tools →Paper & fabric surface massCompare material weight per unit area in printing, textiles and coverings.
9 tools →Harvest yieldCompare crop yield reports per unit cultivated area.
9 tools →Field application volumeConvert an already selected liquid application volume per area.
7 tools →Rainfall & irrigation intensityCompare rain gauges and water application depth per unit time.
7 tools →Textile linear densityInterpret yarn fineness by mass per unit length.
7 tools →Print & screen densityCompare dots or pixels per physical length for layout and printing.
5 tools →Spring stiffnessCompare linear spring rate specifications.
9 tools →Surface tensionCompare liquid surface-tension readings in material and laboratory work.
5 tools →Mass moment of inertiaConvert rotational inertia values in mechanism calculations.
7 tools →Second moment of areaConvert geometric section properties used in beam and shaft calculations.
7 tools →Electrical conductivityCompare water, soil-solution and material conductivity measurements.
7 tools →Electrical resistivityConvert intrinsic electrical resistivity values for material calculations.
7 tools →Thermal diffusivityCompare heat spreading coefficients for material models.
7 tools →Specific energyCompare energy per unit mass in fuels, batteries and materials.
9 tools →Volumetric energy densityCompare energy stored per unit volume for fuel and storage estimates.
9 tools →Specific volumeConvert volume per unit mass used in thermodynamic material models.
7 tools →Material stress in customary unitsCompare engineering stress data with explicit force-per-area definitions.
7 tools →