Koppers Holdings Inc. Annual Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent in pure from 2010 to 2023

Taxonomy & unit
us-gaap: pure
Description
Percentage of domestic federal statutory tax rate applicable to pretax income (loss).
Summary
Koppers Holdings Inc. quarterly/annual Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent history and growth rate from 2010 to 2023.
  • Koppers Holdings Inc. Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent for the quarter ending March 31, 2024 was 0.21 pure, unchanged year-over-year.
  • Koppers Holdings Inc. annual Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent for 2023 was 0.21 pure, unchanged from 2022.
  • Koppers Holdings Inc. annual Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent for 2022 was 0.21 pure, unchanged from 2021.
  • Koppers Holdings Inc. annual Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent for 2021 was 0.21 pure, unchanged from 2020.
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent, Annual (pure)
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent, YoY Annual Growth (%)
Period Value YoY Chg Change % Start Date End Date Report Filed
2023 0.21 0 0% Jan 1, 2023 Dec 31, 2023 10-K 2024-02-28
2022 0.21 0 0% Jan 1, 2022 Dec 31, 2022 10-K 2024-02-28
2021 0.21 0 0% Jan 1, 2021 Dec 31, 2021 10-K 2024-02-28
2020 0.21 0 0% Jan 1, 2020 Dec 31, 2020 10-K 2023-02-27
2019 0.21 0 0% Jan 1, 2019 Dec 31, 2019 10-K 2022-02-23
2018 0.21 -0.14 -40% Jan 1, 2018 Dec 31, 2018 10-K 2021-02-24
2017 0.35 0 0% Jan 1, 2017 Dec 31, 2017 10-K 2021-02-24
2016 0.35 0 0% Jan 1, 2016 Dec 31, 2016 10-K 2019-03-01
2015 0.35 0 0% Jan 1, 2015 Dec 31, 2015 10-K 2018-02-27
2014 0.35 0 0% Jan 1, 2014 Dec 31, 2014 10-K 2017-02-24
2013 0.35 0 0% Jan 1, 2013 Dec 31, 2013 10-K 2016-02-29
2012 0.35 0 0% Jan 1, 2012 Dec 31, 2012 10-K 2015-03-02
2011 0.35 0 0% Jan 1, 2011 Dec 31, 2011 10-K 2014-03-03
2010 0.35 Jan 1, 2010 Dec 31, 2010 10-K 2013-02-25
* An asterisk sign (*) next to the value indicates that the value is likely invalid.