Finance

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Phillips Curve Calculator.

Estimate inflation and unemployment trade-off with explicit model inputs.

On-device calculationNo signup
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Set your values

Results update as you type.

Estimated inflation: 2.00%

Estimated inflation

2.00%
Unemployment gap: 2.00%

Unemployment gap

2.00%

FAQs

How does the phillips curve calculator work?

Enter the requested values to receive a deterministic result. No live market, tax, or jurisdiction data is inferred.

Cite this calculator

Canonical URL: https://mathify.one/ru/finance/phillips-curve

Cite as: Mathify. (2026). Калькулятор: Phillips Curve. https://mathify.one/ru/finance/phillips-curve

Use Cases

Macroeconomic Analysis

Students and economists can quickly estimate inflation under different unemployment scenarios, helping to understand the trade-off between inflation and unemployment.

Example: If expected inflation is 2%, natural unemployment is 5%, actual is 7%, and slope is 0.5, inflation = 2 - 0.5*(7-5) = 1%.

Policy Planning

Policymakers can use the calculator to see how changes in unemployment might affect inflation, aiding in discussions about monetary or fiscal policy.

Example: Assess the impact of reducing unemployment from 6% to 4% on inflation with a given slope.

Frequently Asked Questions

What does the Phillips Curve Calculator do?
It estimates the current inflation rate based on the short-run Phillips curve equation: inflation = expected inflation - slope * (actual unemployment - natural unemployment). You input expected inflation, natural and actual unemployment rates, and the slope per percentage point.
How is the unemployment gap used in the calculation?
The unemployment gap is the difference between actual unemployment and natural unemployment. If actual unemployment is above natural, the gap is positive, which reduces inflation; if below, it increases inflation. The slope determines the strength of this effect.
What units should I use for the inputs?
All inputs should be in percentage terms. For example, enter expected inflation as 2 for 2%, natural unemployment as 5 for 5%, and actual unemployment as 6 for 6%. The slope is also in percentage per percentage point, so enter 0.5 for 0.5.

Tips & Common Mistakes

Tips

  • Ensure all inputs are in the same unit (percentage). For example, enter 2.5 for 2.5%.
  • The slope is typically negative in the Phillips curve, but this calculator expects a positive value; it subtracts the product automatically.
  • Use realistic values for your economy: natural unemployment often ranges from 4-6%, and expected inflation can be based on recent trends.
  • Remember this is a simplified model; actual inflation is influenced by many other factors.

Common Mistakes to Avoid

  • Entering unemployment rates as decimals (e.g., 0.05 instead of 5) – always use percentage numbers.
  • Using a negative slope when the calculator expects a positive value; the formula already subtracts the slope times the gap.
  • Confusing natural unemployment with actual unemployment – the gap is the difference, so ensure you input the correct values.

Last updated: August 13, 2026