In Measurement and Quality Control
- Grad (angle), also called grade, a unit for the measurement of plane angles
- Ore grade, a measure that describes the concentration of a valuable natural material in the surrounding ore
- Grade (fasteners), the grade of nuts and bolts refers to the strength and material
- Cetane rating, a measure of diesel fuel's combustion quality
- Octane rating, also called gasoline grade, the measure of the autoignition resistance of gasoline (petrol) and other fuels used in spark-ignition internal combustion engines
- Grading (tumors), a measure of the aggressiveness of a tumor in medicine
- Grade (climbing), a climber's assessment of the difficulty and danger of climbing a hill
- Grade (bouldering), a climber's assessment of the difficulty and danger of climbing a route which are distinct from those used in regular climbing
- International Scale of River Difficulty, also called grade, a standardized scale used to rate the safety of a stretch of river, or a single rapid.
- Grade of service, the quality of voice service in telecommunications
- Coin grading, the process of determining the grade or condition of a coin, the key factor in its value
- Pattern grading, the scaling of a pattern to a different size in the clothing or footwear industry
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