Unit conversion guides

Torque wrenches, motor datasheets, and materials tables all lean on units that rarely show up anywhere else. Here is how to move between them without guessing.

8 engineering converters covered

Insulation ratings, HVAC specs, and materials datasheets each use a different corner of the same thermal-unit family. Here is how the pieces fit together.

10 heat converters covered

Plumbing flow rates, engine oil grades, and lab concentrations all sit in the same family of fluid units. Here is how to move between them with confidence.

10 fluids converters covered

Camera settings, lighting designs, and display specs each borrow from the same small set of photometric units. Here is what they mean and how they relate.

5 light converters covered

Resistor codes, battery ratings, and circuit calculations lean on a wide family of electrical units. Here is how the pieces connect.

15 electricity converters covered

Magnet specs, MRI machines, and speaker datasheets mix two entirely different unit systems. Here is how gauss, tesla, and the rest fit together.

4 magnetism converters covered

Radiation dose is reported in at least four different units depending on the country and the era of the source. Here is what each one measures and how they relate.

4 radiology converters covered

Not every useful conversion fits a tidy category. Here is the practical reasoning behind ten conversions people search for a few times a year and never quite remember.

10 other converters covered