Estimate exact speaking duration, presentation pacing, and slide allocations with the RiazHub Speaking Time Calculator & Speech Pacing Teleprompter. Designed for keynote speakers, TED presenters, podcasters, educators, and business professionals, this browser-based utility calculates speech duration across multiple Words-Per-Minute (WPM) benchmarks, accounts for natural breathing pauses, and includes a reverse time-limit solver. Rehearse in real time with the built-in fullscreen teleprompter (featuring speed sync, mirror flip for teleprompter glass, and font scaling), or listen to synthetic voice audio pacing via the native Web Speech API. 100% private, client-side browser processing with instant cue sheet and JSON/CSV data export.
Speaking Time Calculator & Speech Pacing Coach
Estimate exact speaking duration, presentation pacing, slide allocations, and rehearse with an integrated teleprompter in real time. 100% private, client-side browser processing.
✏️ Source Speech Script
🎬 Interactive Teleprompter Stage
Rehearse with auto-scroll synced to your WPM, mirror flip, & font sizing.
⚙️ Pace & Timing Controls
| Pacing Profile | Speed | Total Duration |
|---|---|---|
| Slow / Solemn | 110 WPM | 00:00 |
| Conversational | 135 WPM | 00:00 |
| Fast / Energetic | 165 WPM | 00:00 |
Have a hard speech slot? Enter duration to find max words allowed at current WPM.
📚 Public Speaking Standards & Pacing Guide
Speech pacing differs depending on the context, audience, and room acoustics:
- Slow & Solemn (100–115 WPM): Used for eulogies, formal state addresses, sermons, and complex technical teaching where every word carries weight.
- Conversational & Engaging (130–150 WPM): The standard for TED Talks, keynote addresses, business pitches, and corporate presentations.
- Dynamic & High-Energy (160–185 WPM): Common in TV commercials, YouTube introductions, podcast banter, and rapid-fire demo pitches.
- Audiobooks & Voiceovers (150–160 WPM): The golden standard for clear storytelling and spoken audio narration.
The universal public speaking rule is 1 to 2 minutes per slide. For example:
- A 10-minute presentation should ideally contain 5 to 7 slides.
- A 20-minute keynote works best with 10 to 14 slides.
- Crowding too many slides (less than 45 seconds per slide) forces the speaker to rush and exhausts the audience.
Under stage adrenaline, speakers tend to rush. However, effective speakers deliberately insert pauses:
- Punctuation Pauses (~1.5s): Gives the audience time to digest a key sentence or punchline.
- Transition Pauses (~3s): Allows you to take a steady breath, advance to the next slide, or look around the room.
- Our calculator includes optional pause allowances to ensure you don't run over your allocated time limit.
100% Client-Side Privacy Guarantee: All text tokenization, syllables calculations, Web Speech synthesis, and timing computations occur entirely in your web browser. No script content, drafts, or metadata are ever transmitted to any external server or saved in any database.