Linear interpolation calculator
Calculate linear interpolation with explicit inputs, validation, and a documented formula.
Linear interpolation calculator
Result20
How to use this tool
- Enter the known values.
- Select Calculate to process the inputs.
- Review the result, formula, and calculation steps.
Worked example
Follow this example to see the method in practice.
Formula
y = y₀ + (x - x₀)(y₁ - y₀) ÷ (x₁ - x₀)
Frequently asked questions
Formula
The formula below shows how the result is calculated.
Important information
Results are estimates for general informational purposes. Check important decisions with an appropriate professional or primary source.