aws s3 ls --summarize --recursive --human-readable

aws s3 ls --summarize --recursive --human-readable s3://your-bucket
2021-03-10 13:01:28  507.7 MiB your-file-1
2021-03-01 19:28:11    1.6 KiB your-file-2

Total Objects: 2
   Total Size: 507.7 MiB

Related

• aws s3 ls | awk '{print $3}' | parallel "echo {}; aws s3 ls --summarize --recursive --human-readable {}"

See also

• AWS S3:aws s3control. aws s3 [ cp | ls | sync | presing | mb | rm | rb ]
• AWS S3: s3api | list-buckets | get-bucket-website | get-bucket-policy | create-bucket | put-bucket-encryption | aws s3api put-bucket-policy | get-bucket-acl | get-bucket-versioning | get-bucket-location | put-bucket-versioning | get-bucket-tagging | head-bucket | put-object-lock-configuration
• aws s3control, aws s3control get-bucket-lifecycle-configuration, aws s3control get-bucket-policy