Calculate the accounts payable turnover ratio, an efficiency ratio that measures how quickly a company pays its suppliers.

The accounts payable turnover ratio indicates how many times, on average, a company pays off its accounts payable during a specific period. A higher turnover ratio is generally favorable, as it suggests that the company is efficiently managing its payments to suppliers.

The formula is as follows:

\[\text{Accounts Payable Turnover Ratio} = \text{Cost of Goods Sold} / \text{Average Accounts Payable}\]

Also known as: payables efficiency, AP turnover.

Accounts Payables Turnover Ratio in Python

get_accounts_payables_turnover_ratio is part of the Ratios module of the open-source Finance Toolkit. Install it with:

pip install financetoolkit -U

Then call get_accounts_payables_turnover_ratio as shown below.

from financetoolkit import Toolkit

toolkit = Toolkit(["AAPL", "TSLA"], api_key="FINANCIAL_MODELING_PREP_KEY")

ap_turnover_ratios = toolkit.ratios.get_accounts_payables_turnover_ratio()

Which returns:

  2021 2022 2023 2024 2025
AAPL 4.3887 3.7609 3.3795 3.1975 3.1834
TSLA 5.0034 4.795 5.33 5.9647 6.0153

Parameters

get_accounts_payables_turnover_ratio accepts the following parameters:

  • rounding (int, optional): The number of decimals to round the results to. Defaults to 4.
  • growth (bool, optional): Whether to calculate the growth of the ratios. Defaults to False.
  • lag (int | str, optional): The lag to use for the growth calculation. Defaults to 1.
  • standardize (bool, optional): Whether to standardize (Z-Score) the result. When combined with growth=True, standardizes the growth values instead of the raw values. Defaults to False.
  • trailing (int): Defines whether to select a trailing period. E.g. when selecting 4 with quarterly data, the TTM is calculated.
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