What is the Impact Factor of Classical and Quantum Gravity?

According to the latest Clarivate Journal Citation Reports (JCR), the Journal Impact Factor of Classical and Quantum Gravity is 3.90, ranking in quartile Q2 of Web of Science (SCIE).

Is Classical and Quantum Gravity indexed in Web of Science or Scopus?

Yes, Classical and Quantum Gravity is indexed in Web of Science (SCIE, Q2 quartile). Furthermore, in Scopus (SCImago), it holds an SJR rating of 1.020 (Q1) and an H-index of 205.

Who publishes Classical and Quantum Gravity and what is the Article Processing Charge (APC)?

Classical and Quantum Gravity is published by IOP Publishing Ltd.. The estimated Article Processing Charge (APC) is approximately $3,444 USD, subject to institutional waivers and corresponding author affiliations.

What is the ISO-4 abbreviation and acronym of Classical and Quantum Gravity?

The official ISO-4 abbreviation of Classical and Quantum Gravity is "CLASSICAL QUANTUM GRAVITY" with common acronym "cqg-iop". This standardized title abbreviation is used in citation lists conforming to IEEE, APA, Harvard, or Vancouver styles.

WoS SCIE Q2Scopus Q1SCImago #4,762Hybrid

Classical and Quantum Gravity

Acronym:cqg-iop

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Abbreviation (ISO):CLASSICAL QUANTUM GRAVITY

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Identifier (ISSN):0264-9381(Print)/1361-6382(Online)

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Publisher:IOP Publishing Ltd.

Official Website Submission Portal Compare

Clarivate IF (2026)

3.9↑ +0.2

Journal Impact Factor

IF Trend↓

WoS Quartile

WoS SCIEJCR Quartile

Clarivate WoS JCR

WoS Categories↓

JCR Release Date: 2026-06-17

Impact Factor Trend (2018–2026)

Clarivate IF trend for Classical and Quantum Gravity

WoS Q2

Annual Impact Factor Metric

Current (2026):3.9

Scopus SJR & RankScopus Q1

1.02

#4,762

SCImago Journal Rank citation prestige weighting

Scopus Year: 2025

H-Index (2025)

205

205 papers with at least that number of citations each

WoS: SCIE / JCRQ2

Self-Citation Rate11.1%

Safe Level (< 15%)Warning Level (> 20%)

Self-citation below 15% indicates strong scholarly independence.

Volume & Open AccessHybrid

442articles/year

65.64% Gold OA•99.44% Original Research

Aims & Scope

Classical and Quantum Gravity is an established journal for physicists, mathematicians and cosmologists in the fields of gravitation and the theory of spacetime. The journal is now the acknowledged world leader in classical relativity and all areas of quantum gravity.

Topics Covered (Recognized by AI)

Physics78.5%Quantum mechanics73.8%Mathematics72.7%Mathematical physics61.7%Classical mechanics56.9%Theoretical physics55.3%Astronomy48.5%Geometry43.1%Computer science38.1%Astrophysics36.6%Engineering33.8%Mathematical analysis31.9%Pure mathematics25.3%Gravitation25.2%Spacetime20.1%

Primary Research Areas

Rank13/28

IndexSCIE

Category	Index	Rank	Quartile
ASTRONOMY & ASTROPHYSICS	JCRSCIE	25/86	Q2
PHYSICS, MULTIDISCIPLINARY	JCRSCIE	26/112	Q1
PHYSICS, PARTICLES & FIELDS	JCRSCIE	10/31	Q2
QUANTUM SCIENCE & TECHNOLOGY	JCRSCIE	15/28	Q3
ASTRONOMY & ASTROPHYSICS	JCISCIE	22/86	Q2
PHYSICS, MULTIDISCIPLINARY	JCISCIE	24/112	Q1
PHYSICS, PARTICLES & FIELDS	JCISCIE	10/31	Q2
QUANTUM SCIENCE & TECHNOLOGY	JCISCIE	13/28	Q2

Annual Historical Statistics & Publications

Track annual publication volume, total citations, and Impact Factor evolution

12 year

2026Latest

IF3.9

Articles / Year386

Total Citations140

2025

IF3.7

Articles / Year447

Total Citations1,385

2024

IF3.6

Articles / Year420

Total Citations2,638

2023

IF3.5

Articles / Year401

Total Citations5,150

2022

IF3.853

Articles / Year321

Total Citations3,655

Year	Impact Factor	Articles / Year	Total Citations
2026	3.9	386	140
2025	3.7	447	1,385
2024	3.6	420	2,638
2023	3.5	401	5,150
2022	3.853	321	3,655
2021	3.528	435	7,858
2020	3.071	457	8,325
2019	3.487	420	11,535
2018	3.283	406	10,711
2017	—	413	13,182
2016	—	397	15,828
2015	—	449	18,546

SCImago & Scopus Journal Intelligence

Global SCImago ranking, SJR prestige index, Scopus coverage, and societal policy impact

Rank #4,762Scopus Q1SCImago Profile

Scopus Coverage:1984-2025

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Scopus Broad Areas:Physics and Astronomy

Scopus Citation Rank (SJR)Q1

1.02

Weighted prestige citation metric per document indexed in the Scopus database.

Quartile: Scopus Q1

Citations / Doc (2 years)

3.60

Average citations received per document published in the 2-year window.

2-Year Citation Window

Estimated Publication Fee (APC)

$3,444 USD

Estimated Article Processing Charge for Open Access publication.

Estimated cost / article

Scopus 3-Year Publication & Citation Window

3-Year Citations3,997

3-Year Documents1,139

Citable Documents1,125

Aggregated from Scopus database across the 3-year SJR evaluation window.

Societal Impact & Inclusivity (SCImago)

Policy Citations (Overton)0

Citations in government and international policy documents

Female Author Rate20.3%

Percentage of female authors published in the journal

Real-world societal policy reach and author gender diversity tracked by SCImago.

Scopus Subject Categories

Physics and Astronomy (miscellaneous)Q1

Academic Metric Intelligence

Journal Metrics & Citation Visualizations

Total Cites vs Self-Cites

Evaluation of scholarly independence and citation reach

Total citations steady growth

Self-citation: 11.1%

Citations per Document

Citation metric windows across 2, 3, and 4 years

Cites / Doc (4 years)Cites / Doc (3 years)Cites / Doc (2 years)

Chinese Academy of Sciences (CAS) Classification

Major / minor zone classification and CAS Early Warning List history

Major Category (Broad Field):

2区 (Zone 2)Physics & Astrophysics

Minor Category (Specific Field):

2区ASTRONOMY & ASTROPHYSICS

CAS Early Warning List History:

Updated annually: 2020 – 2024

2020

Not warned

2021

Not warned

2022

Not warned

2023

Not warned

2024

Not warned

Academic Intelligence Overview & Context

ImpaQ Analysis

Classical and Quantum Gravity (acronym: cqg-iop, abbr: CLASSICAL QUANTUM GRAVITY, ISSN: 0264-9381) is a peer-reviewed international scholarly journal in the field of Physics, published by IOP Publishing Ltd. in England. The periodical holds a Journal Impact Factor (JIF) of 3.90, ranking in quartile Q2 of Web of Science (SCIE), a Scopus SJR indicator of 1.020 (Q1), an H-index of 205.

The journal enforces rigorous peer evaluation with a publication frequency of Semimonthly, an annual output of approximately 442 scientific articles. In terms of accessibility and author fees, it operates under the Hybrid model with an estimated APC of $3,444 USD. It serves as a benchmark publication platform for academics, researchers, and doctoral candidates seeking global research visibility.