ACM Transactions on Computer Systems

pISSN: 0734-2071eISSN: 1557-7333• JCR: ACM T COMPUT SYSTAssociation for Computing MachineryUnited States
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2026 Impact Factor

1.9

Released June 2026 · Based on 2025 citation data

↑ 0.1 (+5.6%) vs last year

Impact Factor History

  1. Metric year 2025

    Released

    1.9
  2. Metric year 2024

    1.8

JCR Category Rankings

Journal Citation Reports category rankings
CategoryIndexesQuartile
COMPUTER SCIENCE, THEORY & METHODSSCIEQ2
Q2
JCR Quartile
B4
CAS Block

ACM Transactions on Computer Systems current release and JCR quartile

ACM Transactions on Computer Systems's newest impact factor is 1.9, released June 17, 2026 and based on 2025 citation data. The journal is listed as JCR Q2 in this Journal Metrics record.

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Ranking position in Computer Science

Ranked #1,022 in Computer Science by impact factor and #325 among Q2 Computer Science journals. This context helps compare ACM Transactions on Computer Systems against journals publishing in the same field.

#1,022
of 2,368 field journals

ACM Transactions on Computer Systems publication trend

Published 53 papers across the last 5 recorded years with a current impact factor of 1.9.

2026 vs 2025: -21
How Journal Metrics uses article volume

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Journal Details

Total Articles
611
H-Index
138
Open Access
Hybrid
Subject Areas
Hardware and ArchitectureComputer Networks and CommunicationsComputer Networks and CommunicationsInformation Systems

Article Volume

2022
3
2023
7
2024
6
2025
29
2026
8
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