The ideal explainer video length is 60–90 seconds for most homepage and marketing uses. That's the range where you can tell a complete story — problem, solution, how it works, call to action — without losing your audience. Beyond 2 minutes, completion rates drop sharply. Under 30 seconds, it's hard to build enough understanding to motivate action. But the right length depends on where the video will be used. Here's the full breakdown.
Explainer Video Length by Use Case
Different contexts have different attention budgets. Here's what works where:
Homepage / Landing Page: 60–90 seconds
This is the most common use case for explainer videos, and the range is the tightest. Wistia's research on 564,710 videos found that engagement drops gradually from 0–2 minutes, then drops sharply at the 2-minute mark. For a homepage visitor who doesn't know you yet, 60–90 seconds is the window where you can deliver a full value proposition and still have high completion rates (typically 50–65% for engaged visitors).
Why not shorter? Under 60 seconds, you typically can't deliver the problem + solution + proof + CTA structure that motivates action. You end up with a video that explains the what but not the why. Why not longer? At 2+ minutes, you're writing a film, not an explainer. Save that length for detailed product demos or case study videos.
Social Media Ads: 15–30 seconds
Attention on social media is measured in milliseconds. Instagram, TikTok, and Meta ads need to hook the viewer in the first 3 seconds and deliver the core message within 15. For platform-specific specs:
- Instagram/Facebook Feed: 15–30 seconds optimal. 60 seconds maximum before significant drop-off.
- YouTube Pre-Roll: 15 seconds (for non-skippable) or 30–60 seconds (for skippable, with strong hook in first 5 seconds).
- LinkedIn: 30–90 seconds. LinkedIn users are in professional mode and will invest slightly more attention than on entertainment platforms.
- TikTok/Reels: 15–45 seconds. Must hook immediately or lose them.
Email Campaigns: 60–90 seconds
Email recipients who click through to a video are already warm — they chose to watch. You can afford a full explainer video in this context. Campaign Monitor found that emails with video content see 65% higher click-through rates, and viewers who arrive via email links tend to have higher completion rates than cold traffic.
Product Onboarding: 1–3 minutes per feature
Onboarding videos can be longer because users are invested — they've already signed up and want to succeed with your product. A 2–3 minute feature walkthrough is appropriate here, though breaking it into 60-second chapters (each covering one key feature) produces better retention. Users can pick the chapter they need rather than scrubbing through a single long video.
Sales Deck / Investor Pitch: 60–120 seconds
In a live presentation context, a 60-second product explainer is a powerful tool. It gives investors or enterprise prospects a visual demonstration of the product without you having to narrate it. The presenter can pause afterward for questions. Beyond 2 minutes, the video starts to take over the room rather than support the presenter.
Trade Shows / Events: 30–60 seconds (looping)
Booth videos compete with everything else on the show floor. They need to attract attention fast and deliver the core message before the viewer moves on. Design these to work without audio (text overlays, captions) and to loop seamlessly so there's always something to watch when someone stops by.
The Real Enemy: Bloated Scripts
Most explainer videos that run too long don't fail because of the video format — they fail because of script bloat. Here are the most common sources of unnecessary length:
- Long introductions: "At Company X, we believe that..." — no one cares. Start with the problem.
- Feature lists: Listing every feature takes time and bores viewers. Pick the 2–3 most important ones.
- Company history: "Founded in 2015 by..." — irrelevant to the viewer's decision.
- Hedging language: "Our solution can help many types of businesses achieve various goals..." — vague language requires more words to convey less meaning.
- Multiple calls to action: "Sign up, or book a demo, or download our free guide, or contact us." One CTA, clearly stated.
How Much Can You Say in 60 Seconds?
A professional voice artist reads at approximately 130–150 words per minute at a comfortable, comprehensible pace. That means:
- 30-second video: ~65–75 words of script
- 60-second video: ~130–150 words of script
- 90-second video: ~195–225 words of script
- 2-minute video: ~260–300 words of script
150 words sounds like nothing — until you realize that most effective marketing messages can fit within that constraint. The Dropbox explainer video (one of the most famous in history) was about 120 words. It grew their userbase from 100,000 to 4 million users. Brevity is not a limitation; it's a discipline.
Does Length Affect Explainer Video Cost?
Yes, significantly. Length is the single biggest driver of production cost. Most studios price videos in 30-second increments. Our pricing at ExpansionVideos:
- Every additional 30 seconds of animation adds roughly 20–30% to the production cost
- A 60-second video costs roughly 40–50% more than a 30-second video
- A 90-second video costs roughly 70–80% more than a 30-second video
This is another reason to keep scripts tight. A disciplined 60-second video will almost always outperform a rambling 2-minute video — and it costs less to produce. It's a win twice.
Our Recommendation by Product Type
After producing 500+ explainer videos across every industry, here's our default recommendation:
| Product Type | Recommended Length | Reasoning |
|---|---|---|
| Simple SaaS tool | 60 seconds | Clean problem/solution/CTA structure |
| Complex platform | 90 seconds | More time for "how it works" |
| Physical product | 60–90 seconds | Show the product + benefit |
| Service business | 60 seconds | Focus on process and outcome |
| Enterprise software | 90–120 seconds | More complex buyers need more context |
| Mobile app | 30–45 seconds | Often viewed on mobile, shorter attention |
| Social media ad | 15–30 seconds | Platform-specific attention limits |
The Bottom Line on Explainer Video Length
Don't pad your video to seem more comprehensive. Don't cut it short and sacrifice clarity. Aim for the shortest video that completely answers: who is this for, what problem does it solve, how does it work, and what should I do next? For most products, that's 60–90 seconds.
When we work with clients at ExpansionVideos, we write the script first — and the final approved script determines the video length, not the other way around. If a product can be explained compellingly in 55 seconds, that's what we produce. If it needs 95 seconds, we don't cut it short just to hit a round number.
Interested in how to write the script for your video? Or ready to get started? Check our pricing page for packages starting at $299.
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