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Taylor Rule Calculator.

Estimate a policy rate from inflation and output gaps using explicit parameters.

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Taylor-rule policy rate: 5.50% %

Taylor-rule policy rate

5.50%%

FAQs

How does the taylor rule 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/fr/finance/taylor-rule

Cite as: Mathify. (2026). Calculatrice: Taylor Rule. https://mathify.one/fr/finance/taylor-rule

Use Cases

Monetary Policy Analysis

Students, economists, and analysts can use this calculator to estimate what policy rate a central bank might set based on current economic conditions.

Example: If inflation is 3%, target is 2%, output gap is 1%, and neutral rate is 2%, the estimated policy rate is 5%.

Economic Forecasting

Financial professionals can quickly gauge potential interest rate movements by plugging in projected inflation and output gap figures.

Example: Forecast inflation at 2.5%, target 2%, output gap -0.5%, neutral rate 1.5% yields a policy rate of 2.25%.

Frequently Asked Questions

What is the Taylor Rule?
The Taylor Rule is a monetary policy guideline that suggests how central banks should adjust interest rates in response to inflation and economic output. It calculates a target policy rate based on the neutral real rate, inflation gap, and output gap.
How do I use this calculator?
Enter the current inflation rate, the central bank's inflation target, the output gap (actual minus potential GDP as a percentage), and the neutral real interest rate. The calculator then applies the standard Taylor Rule formula to estimate the appropriate policy rate.
What is the output gap?
The output gap is the difference between actual GDP and potential GDP, expressed as a percentage of potential GDP. A positive gap means the economy is above capacity, while a negative gap indicates slack.

Tips & Common Mistakes

Tips

  • Ensure you use consistent units: inflation and target should be in the same percentage terms (e.g., both as annual rates).
  • The output gap should be entered as a percentage, with positive values for above-potential output and negative for below-potential.
  • The neutral real rate is the rate consistent with full employment and stable inflation; use estimates from central banks or economic research.
  • This calculator uses the standard Taylor rule with equal weights on inflation and output gaps; other variations may yield different results.

Common Mistakes to Avoid

  • Using nominal interest rates instead of real rates for the neutral rate – the Taylor rule uses the real neutral rate.
  • Entering the output gap as a decimal (e.g., 0.01) instead of a percentage (1).
  • Confusing the inflation target with the current inflation rate – they are distinct inputs.

Last updated: August 13, 2026