Activity ratios measure how efficiently a company performs day-to-day tasks, such us the collection of receivables and management of inventory.

Ratios (Summary)
Inventory Turnover
Receivables Turnover
Payables Turnover
Working Capital Turnover
Average Inventory Processing Period
Average Receivable Collection Period
Operating Cycle
Average Payables Payment Period
Cash Conversion Cycle

AT&T Inc., short-term (operating) activity ratios

		Dec 31, 2018	Dec 31, 2017	Dec 31, 2016	Dec 31, 2015	Dec 31, 2014
	Turnover Ratios
	Inventory turnover
	Receivables turnover
	Payables turnover
	Working capital turnover
	Average No. of Days
	Average inventory processing period
	Add: Average receivable collection period
	Operating cycle
	Less: Average payables payment period
	Cash conversion cycle

Based on: 10-K (filing date: 2019-02-20), 10-K (filing date: 2018-02-20), 10-K (filing date: 2017-02-17), 10-K (filing date: 2016-02-18), 10-K (filing date: 2015-02-20).

Ratio	Description	The company
Inventory turnover	An activity ratio calculated as cost of goods sold divided by inventory.	AT&T Inc.’s inventory turnover deteriorated from 2016 to 2017 and from 2017 to 2018.
Receivables turnover	An activity ratio equal to revenue divided by receivables.	AT&T Inc.’s receivables turnover deteriorated from 2016 to 2017 and from 2017 to 2018.
Payables turnover	An activity ratio calculated as cost of goods sold divided by payables.	AT&T Inc.’s payables turnover declined from 2016 to 2017 and from 2017 to 2018.
Working capital turnover	An activity ratio calculated as revenue divided by working capital.

Ratio	Description	The company
Average inventory processing period	An activity ratio equal to the number of days in the period divided by inventory turnover over the period.
Average receivable collection period	An activity ratio equal to the number of days in the period divided by receivables turnover.	AT&T Inc.’s average receivable collection period deteriorated from 2016 to 2017 and from 2017 to 2018.
Operating cycle	Equal to average inventory processing period plus average receivables collection period.	AT&T Inc.’s operating cycle deteriorated from 2016 to 2017 and from 2017 to 2018.
Average payables payment period	An estimate of the average number of days it takes a company to pay its suppliers; equal to the number of days in the period divided by payables turnover ratio for the period.	AT&T Inc.’s average payables payment period increased from 2016 to 2017 and from 2017 to 2018.
Cash conversion cycle	A financial metric that measures the length of time required for a company to convert cash invested in its operations to cash received as a result of its operations; equal to average inventory processing period plus average receivables collection period minus average payables payment period.	AT&T Inc.’s cash conversion cycle improved from 2016 to 2017 but then deteriorated significantly from 2017 to 2018.

AT&T Inc., inventory turnover calculation, comparison to benchmarks

		Dec 31, 2018	Dec 31, 2017	Dec 31, 2016	Dec 31, 2015	Dec 31, 2014
	Selected Financial Data (USD $ in millions)
	Cost of revenues
	Equipment inventories
	Ratio
	Inventory turnover¹
	Benchmarks
	Inventory Turnover, Competitors
	Verizon Communications Inc.
	Inventory Turnover, Sector
	Fixed Line Telecommunications

Based on: 10-K (filing date: 2019-02-20), 10-K (filing date: 2018-02-20), 10-K (filing date: 2017-02-17), 10-K (filing date: 2016-02-18), 10-K (filing date: 2015-02-20).

2018 Calculations

¹ Inventory turnover = Cost of revenues ÷ Equipment inventories
= hidden ÷ hidden = hidden

Ratio	Description	The company
Inventory turnover	An activity ratio calculated as cost of goods sold divided by inventory.	AT&T Inc.’s inventory turnover deteriorated from 2016 to 2017 and from 2017 to 2018.

AT&T Inc., receivables turnover calculation, comparison to benchmarks

		Dec 31, 2018	Dec 31, 2017	Dec 31, 2016	Dec 31, 2015	Dec 31, 2014
	Selected Financial Data (USD $ in millions)
	Operating revenues
	Accounts receivable, net of allowances for doubtful accounts
	Ratio
	Receivables turnover¹
	Benchmarks
	Receivables Turnover, Competitors
	Verizon Communications Inc.
	Receivables Turnover, Sector
	Fixed Line Telecommunications

Based on: 10-K (filing date: 2019-02-20), 10-K (filing date: 2018-02-20), 10-K (filing date: 2017-02-17), 10-K (filing date: 2016-02-18), 10-K (filing date: 2015-02-20).

2018 Calculations

¹ Receivables turnover = Operating revenues ÷ Accounts receivable, net of allowances for doubtful accounts
= hidden ÷ hidden = hidden

Ratio	Description	The company
Receivables turnover	An activity ratio equal to revenue divided by receivables.	AT&T Inc.’s receivables turnover deteriorated from 2016 to 2017 and from 2017 to 2018.

AT&T Inc., payables turnover calculation, comparison to benchmarks

		Dec 31, 2018	Dec 31, 2017	Dec 31, 2016	Dec 31, 2015	Dec 31, 2014
	Selected Financial Data (USD $ in millions)
	Cost of revenues
	Accounts payable
	Ratio
	Payables turnover¹
	Benchmarks
	Payables Turnover, Competitors
	Verizon Communications Inc.
	Payables Turnover, Sector
	Fixed Line Telecommunications

Based on: 10-K (filing date: 2019-02-20), 10-K (filing date: 2018-02-20), 10-K (filing date: 2017-02-17), 10-K (filing date: 2016-02-18), 10-K (filing date: 2015-02-20).

2018 Calculations

¹ Payables turnover = Cost of revenues ÷ Accounts payable
= hidden ÷ hidden = hidden

Ratio	Description	The company
Payables turnover	An activity ratio calculated as cost of goods sold divided by payables.	AT&T Inc.’s payables turnover declined from 2016 to 2017 and from 2017 to 2018.

AT&T Inc., working capital turnover calculation, comparison to benchmarks

		Dec 31, 2018	Dec 31, 2017	Dec 31, 2016	Dec 31, 2015	Dec 31, 2014
	Selected Financial Data (USD $ in millions)
	Current assets
	Less: Current liabilities
	Working capital
	Operating revenues
	Ratio
	Working capital turnover¹
	Benchmarks
	Working Capital Turnover, Competitors
	Verizon Communications Inc.
	Working Capital Turnover, Sector
	Fixed Line Telecommunications

Based on: 10-K (filing date: 2019-02-20), 10-K (filing date: 2018-02-20), 10-K (filing date: 2017-02-17), 10-K (filing date: 2016-02-18), 10-K (filing date: 2015-02-20).

2018 Calculations

¹ Working capital turnover = Operating revenues ÷ Working capital
= hidden ÷ hidden = hidden

Ratio	Description	The company
Working capital turnover	An activity ratio calculated as revenue divided by working capital.

AT&T Inc., average inventory processing period calculation, comparison to benchmarks

		Dec 31, 2018	Dec 31, 2017	Dec 31, 2016	Dec 31, 2015	Dec 31, 2014
	Selected Financial Data
	Inventory turnover
	Ratio (no. of days)
	Average inventory processing period¹
	Benchmarks (no. of days)
	Average Inventory Processing Period, Competitors
	Verizon Communications Inc.
	Average Inventory Processing Period, Sector
	Fixed Line Telecommunications

Based on: 10-K (filing date: 2019-02-20), 10-K (filing date: 2018-02-20), 10-K (filing date: 2017-02-17), 10-K (filing date: 2016-02-18), 10-K (filing date: 2015-02-20).

2018 Calculations

¹ Average inventory processing period = 365 ÷ Inventory turnover
= 365 ÷ hidden = hidden

Ratio	Description	The company
Average inventory processing period	An activity ratio equal to the number of days in the period divided by inventory turnover over the period.

AT&T Inc., average receivable collection period calculation, comparison to benchmarks

		Dec 31, 2018	Dec 31, 2017	Dec 31, 2016	Dec 31, 2015	Dec 31, 2014
	Selected Financial Data
	Receivables turnover
	Ratio (no. of days)
	Average receivable collection period¹
	Benchmarks (no. of days)
	Average Receivable Collection Period, Competitors
	Verizon Communications Inc.
	Average Receivable Collection Period, Sector
	Fixed Line Telecommunications

Based on: 10-K (filing date: 2019-02-20), 10-K (filing date: 2018-02-20), 10-K (filing date: 2017-02-17), 10-K (filing date: 2016-02-18), 10-K (filing date: 2015-02-20).

2018 Calculations

¹ Average receivable collection period = 365 ÷ Receivables turnover
= 365 ÷ hidden = hidden

Ratio	Description	The company
Average receivable collection period	An activity ratio equal to the number of days in the period divided by receivables turnover.	AT&T Inc.’s average receivable collection period deteriorated from 2016 to 2017 and from 2017 to 2018.

AT&T Inc., operating cycle calculation, comparison to benchmarks

No. of days

		Dec 31, 2018	Dec 31, 2017	Dec 31, 2016	Dec 31, 2015	Dec 31, 2014
	Selected Financial Data
	Average inventory processing period
	Average receivable collection period
	Ratio
	Operating cycle¹
	Benchmarks
	Operating Cycle, Competitors
	Verizon Communications Inc.
	Operating Cycle, Sector
	Fixed Line Telecommunications

Based on: 10-K (filing date: 2019-02-20), 10-K (filing date: 2018-02-20), 10-K (filing date: 2017-02-17), 10-K (filing date: 2016-02-18), 10-K (filing date: 2015-02-20).

2018 Calculations

¹ Operating cycle = Average inventory processing period + Average receivable collection period
= hidden + hidden = hidden

Ratio	Description	The company
Operating cycle	Equal to average inventory processing period plus average receivables collection period.	AT&T Inc.’s operating cycle deteriorated from 2016 to 2017 and from 2017 to 2018.

AT&T Inc., average payables payment period calculation, comparison to benchmarks

		Dec 31, 2018	Dec 31, 2017	Dec 31, 2016	Dec 31, 2015	Dec 31, 2014
	Selected Financial Data
	Payables turnover
	Ratio (no. of days)
	Average payables payment period¹
	Benchmarks (no. of days)
	Average Payables Payment Period, Competitors
	Verizon Communications Inc.
	Average Payables Payment Period, Sector
	Fixed Line Telecommunications

Based on: 10-K (filing date: 2019-02-20), 10-K (filing date: 2018-02-20), 10-K (filing date: 2017-02-17), 10-K (filing date: 2016-02-18), 10-K (filing date: 2015-02-20).

2018 Calculations

¹ Average payables payment period = 365 ÷ Payables turnover
= 365 ÷ hidden = hidden

Ratio	Description	The company
Average payables payment period	An estimate of the average number of days it takes a company to pay its suppliers; equal to the number of days in the period divided by payables turnover ratio for the period.	AT&T Inc.’s average payables payment period increased from 2016 to 2017 and from 2017 to 2018.

AT&T Inc., cash conversion cycle calculation, comparison to benchmarks

No. of days

		Dec 31, 2018	Dec 31, 2017	Dec 31, 2016	Dec 31, 2015	Dec 31, 2014
	Selected Financial Data
	Average inventory processing period
	Average receivable collection period
	Average payables payment period
	Ratio
	Cash conversion cycle¹
	Benchmarks
	Cash Conversion Cycle, Competitors
	Verizon Communications Inc.
	Cash Conversion Cycle, Sector
	Fixed Line Telecommunications

Based on: 10-K (filing date: 2019-02-20), 10-K (filing date: 2018-02-20), 10-K (filing date: 2017-02-17), 10-K (filing date: 2016-02-18), 10-K (filing date: 2015-02-20).

2018 Calculations

¹ Cash conversion cycle = Average inventory processing period + Average receivable collection period – Average payables payment period
= hidden + hidden – hidden = hidden

Ratio	Description	The company
Cash conversion cycle	A financial metric that measures the length of time required for a company to convert cash invested in its operations to cash received as a result of its operations; equal to average inventory processing period plus average receivables collection period minus average payables payment period.	AT&T Inc.’s cash conversion cycle improved from 2016 to 2017 but then deteriorated significantly from 2017 to 2018.

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AT&T Inc. (T)

Short-term (Operating) Activity Analysis

Ratios (Summary)

Inventory Turnover

Receivables Turnover

Payables Turnover

Working Capital Turnover

Average Inventory Processing Period

Average Receivable Collection Period

Operating Cycle

Average Payables Payment Period

Cash Conversion Cycle