In a drawing with both inch and millimeter dimensions, where is the inch dimension typically placed?

In technical drawings that incorporate both inch and millimeter dimensions, the standard practice is to place the inch measurements above or to the left of the millimeter dimensions. This convention helps ensure clarity and consistency, making it easier for engineers, fabricators, and welders to interpret the measurements correctly, especially in environments where both imperial and metric systems are used.

Placing the inch dimensions above or to the left also aligns with industry standards, which are developed to reduce confusion and enhance the efficiency of communication in design and manufacturing processes. By adhering to this convention, users can quickly identify the measurement system in use, minimizing the risk of errors when translating dimensions into actual fabrication.

This clarity of presentation is important in ensuring that the dimensions are easily readable and understood, thereby facilitating accurate welding or machining based on the provided specifications.