MAPE / MAE / RMSE

More about: MAPE / MAE / RMSE

What it calculates

The “MAPE / MAE / RMSE” calculator computes MAPE in % from 10 parameters: actual, period 1, forecast, period 1, actual, period 2, forecast, period 2, actual, period 3, forecast, period 3, actual, period 4, forecast, period 4, actual, period 5, forecast, period 5.

A handy everyday calculator for daily tasks.

Example calculation

With parameters Actual, period 1 = 100, Forecast, period 1 = 105, Actual, period 2 = 120, Forecast, period 2 = 115, Actual, period 3 = 110, Forecast, period 3 = 112, Actual, period 4 = 130, Forecast, period 4 = 120, Actual, period 5 = 125, Forecast, period 5 = 130 the result is 4.54 % (Periods with an actual of 0 are excluded from MAPE).

How to use

1. Enter actual, period 1, forecast, period 1, actual, period 2, forecast, period 2, actual, period 3, forecast, period 3, actual, period 4, forecast, period 4, actual, period 5 and forecast, period 5 — each field above is adjustable with a slider.
2. MAPE (%) is calculated automatically as you type.
3. Check the worked example below to see the formula applied to real numbers.
4. Copy the result or bookmark this calculator.

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