Frequently Asked Questions
How accurate are the interpolation calculations?
Our calculator uses double-precision floating-point arithmetic and industry-standard algorithms. The accuracy depends on your input data quality and the chosen interpolation method. For most practical applications, the results are highly accurate.
Is there a limit to how many data points I can use?
The web calculator supports up to 20 data points for optimal performance. For larger datasets, consider using our API or breaking your data into smaller segments.
Can I use InterpolationCalc for commercial projects?
Yes! Our calculator and API are free to use for both personal and commercial projects. We only ask that you don't abuse the service with excessive automated requests.
Do you store my calculation data?
No, we don't store your input data. All calculations are performed client-side in your browser, and no data is transmitted to our servers unless you explicitly use the sharing feature.
How can I cite InterpolationCalc in my research?
You can cite our tool as: "InterpolationCalc. (2025). Online Interpolation Calculator. Retrieved from https://interpolationcalc.com"