We have crunched the numbers and worked out, by adjusting for inflation (based on 2020 figures) which were the biggest films at the US box office. Worldwide figures weren’t available for some of the early 90’s movies, so hence the US box office figures only….
100 – Kindergarten Cop (1990)

Domestic Box Office (Inflation adjusted): $179,412,413
(Domestic Box Office (unadjusted): $91,457,688)
Domestic Box Office (Inflation adjusted): $179,662,875
(Domestic Box Office (unadjusted): $116,741,558)
Domestic Box Office (Inflation adjusted): $181,542,607
(Domestic Box Office (unadjusted): $102,314,823)
Domestic Box Office (Inflation adjusted): $182,113,454
(Domestic Box Office (unadjusted): $105,264,608)
Domestic Box Office (Inflation adjusted): $182,183,658
(Domestic Box Office (unadjusted): $115,821,495)
Domestic Box Office (Inflation adjusted): $182,345,14
(Domestic Box Office (unadjusted): $108,385,533)
94 – Unforgiven (1992)

Domestic Box Office (Inflation adjusted): $184,862,170
(Domestic Box Office (unadjusted): $101,157,447)
93 – Pulp Fiction (1994)

Domestic Box Office (Inflation adjusted): $186,722,584
(Domestic Box Office (unadjusted): $107,928,762)
Domestic Box Office (Inflation adjusted): $189,170,969
(Domestic Box Office (unadjusted): $106,614,059)
91 – Mulan (1998)

Domestic Box Office (Inflation adjusted): $189,731,959
(Domestic Box Office (unadjusted): $120,620,254)
Domestic Box Office (Inflation adjusted): $191,258,262
(Domestic Box Office (unadjusted): $101,599,005)
Domestic Box Office (Inflation adjusted): $195,363,738
(Domestic Box Office (unadjusted): $126,943,684)
Domestic Box Office (Inflation adjusted): $196,514,995
(Domestic Box Office (unadjusted): $107,533,928)
Domestic Box Office (Inflation adjusted): $197,593,576
(Domestic Box Office (unadjusted): $125,618,201)
Domestic Box Office (Inflation adjusted): $200,169,872
(Domestic Box Office (unadjusted): $125,304,276)
Domestic Box Office (Inflation adjusted): $200,216,013
(Domestic Box Office (unadjusted): $130,096,601)
84 – The Birdcage (1996)

Domestic Box Office (Inflation adjusted): $202,730,283
(Domestic Box Office (unadjusted): $124,060,553)
Domestic Box Office (Inflation adjusted): $203,070,484
(Domestic Box Office (unadjusted): $127,120,029)
82 – Dick Tracy (1990)

Domestic Box Office (Inflation adjusted): $203,504,107
(Domestic Box Office (unadjusted): $103,738,726)
Domestic Box Office (Inflation adjusted): $205,185,359
(Domestic Box Office (unadjusted): $130,444,603)
80 – The Mask (1994)

Domestic Box Office (Inflation adjusted): $207,500,477
(Domestic Box Office (unadjusted): $119,938,730)
79 – Speed (1994)

Domestic Box Office (Inflation adjusted): $209,765,835
(Domestic Box Office (unadjusted): $121,248,145
Domestic Box Office (Inflation adjusted): $210,498,034
(Domestic Box Office (unadjusted): $128,814,019
Domestic Box Office (Inflation adjusted): $210,534,522
(Domestic Box Office (unadjusted): $136,801,374
Domestic Box Office (Inflation adjusted): $211,391,346.24
(Domestic Box Office (unadjusted): $122,187,717
75 – Patch Adams (1998)

Domestic Box Office (Inflation adjusted): $212,393,174
(Domestic Box Office (unadjusted): $135,026,902
Domestic Box Office (Inflation adjusted): $213,666,233
(Domestic Box Office (unadjusted): $113,502,426
73 – Godzilla (1998)

Domestic Box Office (Inflation adjusted): $214,418,203
(Domestic Box Office (unadjusted): $136,314,2946
Domestic Box Office (Inflation adjusted): $215,142,93
(Domestic Box Office (unadjusted): $117,727,224
71 – Stuart Little (1999)

Domestic Box Office (Inflation adjusted): $215,511,571
(Domestic Box Office (unadjusted): $140,035,367
Domestic Box Office (Inflation adjusted): $216,286,805
(Domestic Box Office (unadjusted): $140,035,367
69 – The Rock (1996)

Domestic Box Office (Inflation adjusted): $219,086,158
(Domestic Box Office (unadjusted): $134,069,511
Domestic Box Office (Inflation adjusted): $220,020,262
(Domestic Box Office (unadjusted): $127,175,374
Domestic Box Office (Inflation adjusted): $220,862,847
(Domestic Box Office (unadjusted): $138,257,865)
66 – Deep Impact (1998)

Domestic Box Office (Inflation adjusted): $220,946,607
(Domestic Box Office (unadjusted): $140,464,664)
Domestic Box Office (Inflation adjusted): $221,143,315
(Domestic Box Office (unadjusted): $138,433,435)
64 – Rush Hour (1998)

Domestic Box Office (Inflation adjusted): $222,082,606
(Domestic Box Office (unadjusted): $141,186,864)
63 – Wayne’s World (1992)

Domestic Box Office (Inflation adjusted): $222,398,171
(Domestic Box Office (unadjusted): $121,697,323)
Domestic Box Office (Inflation adjusted): $222,550,145
(Domestic Box Office (unadjusted): $136,189,294)
61 – The Bodyguard (1992)

Domestic Box Office (Inflation adjusted): $222,852,109
(Domestic Box Office (unadjusted): $121,945,720)
60 – Ransom (1996)

Domestic Box Office (Inflation adjusted): $223,045,917
(Domestic Box Office (unadjusted): $136,492,681)
Domestic Box Office (Inflation adjusted): $224,776,599
(Domestic Box Office (unadjusted): $126,680,884)
58 – Hook (1991)

Domestic Box Office (Inflation adjusted): $225,248,007
(Domestic Box Office (unadjusted): $119,654,823)
Domestic Box Office (Inflation adjusted): $225,826,036
(Domestic Box Office (unadjusted): $130,531,208)
Domestic Box Office (Inflation adjusted): $226,753,917
(Domestic Box Office (unadjusted): $144,156,605)
55 – Die Hard 2 (1990)

Domestic Box Office (Inflation adjusted): $230,579,904
(Domestic Box Office (unadjusted): $117,540,947)
54 – City Slickers (1991)

Domestic Box Office (Inflation adjusted): $233,491,334
(Domestic Box Office (unadjusted): $124,033,791)
53 – Total Recall (1990)

Domestic Box Office (Inflation adjusted): $234,216,684
(Domestic Box Office (unadjusted): $119,394,840)
52 – Runaway Bride (1999)

Domestic Box Office (Inflation adjusted): $234,321,199
(Domestic Box Office (unadjusted): $152,257,509)
Domestic Box Office (Inflation adjusted): $237,189,228
(Domestic Box Office (unadjusted): $148,478,011)
50 – Pocahontas (1995)

Domestic Box Office (Inflation adjusted): $238,190,317
(Domestic Box Office (unadjusted): $141,579,773)