Romans 4:10

Under what circumstances, then, did this take place? After his circumcision or before it?

1 Corinthians 7:18-19

Was a man already circumcised when he was called? Then he should not efface his circumcision. Has a man been called when uncircumcised? Then he should not be circumcised.

Galatians 5:6

If a man is in union with Christ Jesus, neither is circumcision nor the omission of it anything, but faith, working through love, is everything.

Galatians 6:15

For neither is circumcision nor the omission of it anything; but a new nature is everything.

Treasury of Scripture Knowledge

Summary

How was it then reckoned? when he was in circumcision, or in uncircumcision? Not in circumcision, but in uncircumcision.

Bible References

Not in circumcision

1 Corinthians 7:18
Was a man already circumcised when he was called? Then he should not efface his circumcision. Has a man been called when uncircumcised? Then he should not be circumcised.
Galatians 5:6
If a man is in union with Christ Jesus, neither is circumcision nor the omission of it anything, but faith, working through love, is everything.
Galatians 6:15
For neither is circumcision nor the omission of it anything; but a new nature is everything.