The War with Grandpa backdrop
The War with Grandpa poster
#3,655 All-time worldwide
#35 2020 releases

Movie profile

The War with Grandpa

2020 · 98 min · Marro Films

Comedy Family
IMDb FilmDB Where to watch

Box office snapshot

Financial performance

Reference figures based on available reported data.
Worldwide gross $43.4M
Budget $18.0M
Gross minus budget $25.4M
ROI 2.41x

Domestic gross

$18.7M

Estimated from worldwide gross

International gross

$24.7M

Estimated from worldwide gross

Opening weekend

$5.6M

Estimated from worldwide gross

Ranking context

Where The War with Grandpa ranks

Positioned across the all-time chart, release year, studio, franchise and genre indexes where enough mapped data exists.
Open rankings
All-time worldwide #3,655 All-time chart position of 12,922 titles Compared with every rankable movie in the current worldwide dataset. 2020 releases #35 Release-year chart position of 245 titles Ranked against movies released in 2020. Primary genre #1,377 Comedy of 4,840 titles Genre context based on the first mapped genre on this profile.

Nearby worldwide ranks

Comparable titles immediately around this movie by reported worldwide gross.

#3,652 The Great Outdoors 1988 · $43.5M #3,653 A River Runs Through It 1992 · $43.4M #3,654 The Master of Disguise 2002 · $43.4M #3,656 Our Bright Parade holo*27 stage 2023 · $43.3M #3,657 The Duchess 2008 · $43.3M #3,658 The Edge 1997 · $43.3M

Quick answer

How did The War with Grandpa (2020) perform at the box office?

High confidence

The War with Grandpa (2020) earned a reported $43.4M worldwide against a reported $18.0M production budget. Its gross-minus-budget figure is about $25.4M. The current gross-to-budget multiple is 2.41x. In this database it currently ranks #3,655 in the current all-time worldwide chart set and #35 among 2020 releases.

Worldwide gross
$43,387,445
Budget
$18,000,000
Gross minus budget
$25,387,445
ROI
2.41x
Source: TMDb. Last updated: Jul 13, 2026. View source Gross-minus-budget is not studio net profit. It excludes marketing, distribution fees, revenue splits, tax incentives and later home/streaming revenue.

Synopsis

Story

Peter is thrilled that his Grandpa is coming to live with his family. That is, until Grandpa moves into Peter's room, forcing him upstairs into the creepy attic. And though he loves his Grandpa, he wants his room back - so he has no choice but to declare war.

Movie facts

Production details

Release date
Aug 27, 2020
Production
Marro Films, EFO Films, Tri G
Countries
US

Related indexes

Browse related box office pages

Studio / production companyMarro Films Release year chart2020 box office Genre chartComedy Genre chartFamily

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AI summary

Why this movie matters

Released in 2020, The War with Grandpa is positioned in this dataset as a Comedy, Family title from Marro Films. Its box office profile shows that available worldwide gross is $43.4M, reported production budget is $18.0M, gross-minus-budget is $25.4M, ROI is 2.41x. For comparison, it currently sits #3,655 all-time in the current chart set and #35 among 2020 releases. Streaming availability should be checked against the selected United States region because provider rights can change.

AI-generated contextual summary based on available movie, genre, ranking and box office data. It does not replace official distributor notes or financial reporting.
Data noteGross minus budget is not studio net profit. It excludes marketing, distribution fees, revenue splits, tax incentives and downstream revenue. Domestic, international and opening weekend figures marked as estimated are modelled estimates.