UK Weekend Box Office
UK Box Office 3rd April, 1981
| Title | Weekend | Week | Total | % Change | Total Weeks | ||
| 1 (1) |  | 9 to 5 (1980) | £451,694 | £654,956 | £1,273,174 | -27% | 2 |
| 2 (2) |  | Private Benjamin (1980) | £248,047 | £359,668 | £1,936,425 | -24% | 4 |
| 3 (3) |  | Ordinary People (1981) | £57,049 | £77,016 | £1,662,317 | -50% | 5 |
| 4 (5) |  | Battle Beyond the Stars (1980) | £2,974 | £3,866 | £352,880 | -47% | 7 |