Length

Length measures the distance between two points.

Area

Area quantifies how much surface a shape covers.

Volume

Volume measures three-dimensional space for liquids or containers.

Cooking

Convert common recipe volume units such as teaspoons, tablespoons, cups, fluid ounces, milliliters, and liters.

Weight

Weight (mass) expresses how much matter something contains and is measured the same way regardless of local gravity.

Time

Time tracks duration based on the second as the SI unit.

Temperature

Temperature reflects thermal energy.

Pressure

Pressure is force applied over an area.

Energy

Energy is the capacity to do work.

Power

Power is the rate of doing work.

Force

Force is a push or pull on an object.

Speed

Speed measures distance traveled per unit time.

Pace

Pace measures time per distance and is the inverse of speed.

Angle

Angles express rotation.

Angular Velocity

Convert rotational speed between radians per second, degrees per second, revolutions per second, and RPM.

Angular Acceleration

Convert rotational acceleration between radians per second squared, degrees per second squared, revolutions per second squared, and RPM per second.

Flow Rate

Volumetric flow indicates how much fluid moves each interval.

Mass Flow Rate

Convert mass flow between kilograms, grams, pounds, and metric tons per unit time.

Molar Flow Rate

Convert molar flow between moles, millimoles, and kilomoles per unit time.

Heat Flux

Heat flux measures power passing through a surface area.

Thermal Conductivity

Thermal conductivity measures how readily heat flows through a material.

Illuminance

Illuminance is the light falling onto a surface.

Luminous Flux

Luminous flux measures the total perceived light output from a source.

Fuel Consumption

Fuel economy describes how far a vehicle travels per amount of fuel.

Data

Bits store binary 0s and 1s, and a byte equals 8 bits.

Bandwidth

Bandwidth measures how quickly data moves across a network link.

Image Resolution

Image resolution expresses pixel or dot density.

Acceleration

Acceleration is the change in velocity over time.

Density

Density is mass per unit volume.

Electric Current

Electric current is the flow of electric charge through a conductor.

Electric Charge

Electric charge measures the amount of electricity carried or stored.

Voltage

Voltage is electric potential difference that drives current.

Resistance

Electrical resistance opposes current flow.

Capacitance

Capacitance is stored electric charge per volt.

Inductance

Inductance measures how a conductor resists changes in current by inducing voltage.

Luminance

Luminance describes light emitted or reflected from a surface area.

Luminous Intensity

Convert candela, millicandela, and kilocandela.

Magnetic Flux Density

Magnetic flux density indicates magnetic field strength.

Magnetic Flux

Convert webers, milliwebers, microwebers, and maxwells.

Moment of Inertia

Convert rotational inertia between kilogram square meter, gram square centimeter, pound square foot, and slug square foot.

Wavelength

Wavelength is the physical length of one wave cycle.

Frequency

Frequency counts how many cycles occur each second.

Radiation Dose

Radiation dose measures energy absorbed by tissue.

Radioactivity

Radioactivity measures nuclear activity as decays per second.

Specific Heat Capacity

Convert heat capacity per unit mass and temperature.

Specific Volume

Convert volume-per-mass units used in thermodynamics and process work.

Surface Tension

Convert force-per-length units used in fluids, chemistry, and materials.

Heat Transfer Coefficient

Convert heat-transfer values used in HVAC, insulation, and thermal design.

Temperature Interval

Convert temperature differences without using an absolute-zero offset.

Torque

Torque is a twisting force around an axis.

Typography

Typography units connect screen layouts and print measurements.

Viscosity

Viscosity describes a fluid's resistance to flow.

Sound

Sound and acoustics levels use logarithmic units.

Concentration

Concentration expresses how much material is present in a solution.