Calibration
Type linear-axis values, then optionally click the target icons to visually map them on the canvas. Scientific literals such as 1E5, 10^5, and 5x10^7 are accepted.
Data Series
Results (AUC)
Engineering Disclaimer
Use at your own risk. This tool is a visual measurement and numerical integration aid. It is not professional engineering advice, regulatory evidence, laboratory instrumentation, or a substitute for source data.
No warranty. Area, calibration, point placement, image scaling, PDF rendering, and exported results may be inaccurate, incomplete, or misleading because of user input, source image quality, axis interpretation, browser rendering, or implementation defects.
Linear-axis only. Calculations assume linear X and Y axes. Do not use this tool for logarithmic, categorical, distorted, perspective, or transformed plots unless you have independently converted and validated the data.
No liability. The creators and maintainers assume no responsibility or liability for errors, omissions, damages, failed designs, failed submissions, compliance issues, data loss, or decisions made from this tool or its output.
Verify independently. Validate important results against original data, calibrated instruments, trusted numerical software, published references, or a qualified professional before using them in engineering, scientific, clinical, legal, financial, safety, or production decisions.