New Living Translation
Do to her as she has done to others. Double her penalty for all her evil deeds. She brewed a cup of terror for others, so brew twice as much for her.

American Standard Version
Render unto her even as she rendered, and double unto her the double according to her works: in the cup which she mingled, mingle unto her double.

Berean Study Bible
Give back to her as she has done to others; pay her back double for what she has done; mix her a double portion in her own cup.

Douay-Rheims Bible
Render to her as she also hath rendered to you; and double unto her double according to her works: in the cup wherein she hath mingled, mingle ye double unto her.

English Revised Version
Render unto her even as she rendered, and double unto her the double according to her works: in the cup which she mingled, mingle unto her double.

King James Bible
Reward her even as she rewarded you, and double unto her double according to her works: in the cup which she hath filled fill to her double.

World English Bible
Return to her just as she returned, and repay her double as she did, and according to her works. In the cup which she mixed, mix to her double.

Young's Literal Translation
Render to her as also she did render to you, and double to her doubles according to her works; in the cup that she did mingle mingle to her double.

Revelation 18:6 Additional Translations ...