Inputs
Example data table
| Scenario | Video Calls | CCTV | Backups | Recommended Upload | Suggested Tier |
|---|---|---|---|---|---|
| Mid-size site with cloud cameras | 6 calls @ 1.8 Mbps | 12 cams @ 2.5 Mbps | 35 GB in 4 hours | ~126.3 Mbps | 100 Mbps |
Formula used
How to use this calculator
- Enter the number of simultaneous video calls and a realistic bitrate.
- Add cloud-viewed cameras and set an upload bitrate per camera.
- Include telemetry devices and their average active data rate.
- Estimate daily backup volume and the hours you want to finish.
- Set a typical large upload size and how quickly it should complete.
- Apply overhead, margin, efficiency, and utilization based on conditions.
- Click Calculate and use the suggested tier for procurement.
Upload demand drivers on active job sites
Construction upload needs are shaped by how fast information leaves the site. Progress photos, cloud RFIs, drawing markups, and punch-list updates create many small transfers. The largest spikes usually come from video meetings, live camera streams, and scheduled backups of field tablets or site servers. When teams overlap during peak hours, demand rises well above the daily average.
Turning site activities into measurable bandwidth
This calculator converts common activities into megabits per second. Video calls and CCTV use per-stream bitrates multiplied by concurrent sessions, with activity percentages to reflect real usage. As a starting point, HD video calls often sit around 1.2–2.5 Mbps per participant, while 1080p cloud cameras may range 1.5–4 Mbps depending on compression and motion. File uploads and backups convert size and time targets into Mbps so you can set clear completion expectations.
Accounting for overhead and real-world variability
Traffic is never purely payload. Encryption, acknowledgements, and application overhead reduce usable throughput, especially on busy links. Weather, RF interference, and shared last‑mile networks can also lower performance. Overhead and safety margin protect schedules, while efficiency and utilization translate theoretical capacity into speeds teams can depend on.
Selecting a service tier that supports schedules
A recommended upload speed should cover peaks without delaying reporting or shifting transfers after hours. If the recommendation falls between tiers, selecting the next tier up usually reduces risk more than it increases cost. For strict deadlines, consider dual connectivity (wired plus cellular), a backup router, or automatic failover. Also confirm upstream limits on “asymmetric” plans where download is high but upload is constrained.
Operational practices that keep uploads predictable
Pair bandwidth planning with procedures. Schedule backups outside inspection windows, cap camera bitrates where acceptable, and compress photos before syncing. Use differential uploads instead of repeatedly sending full packages. Track performance weekly; if utilization approaches your threshold, increase margins or upgrade early as staffing and devices change.
FAQs
1) What upload speed is “enough” for a small site office?
Many small offices run smoothly at 20–50 Mbps upload if video calls are limited and backups are scheduled. Add headroom for cloud cameras and frequent large photo sets, then choose the next service tier above your peak estimate.
2) Why does the calculator ask for efficiency and utilization?
Efficiency reflects protocol and application overhead, while utilization is the share of the line you can safely consume without causing delays. Together they convert peak demand into a service speed that stays responsive during busy periods.
3) How should I estimate camera upload bitrate?
Start with your camera settings and resolution. Many 1080p streams range around 1.5–4 Mbps depending on compression and motion. If cameras run continuously, keep the active percentage high and avoid optimistic assumptions.
4) Are cloud backups better modeled as GB per day or Mbps?
Use GB per day when you know the volume and want a completion window. The calculator converts that to Mbps using the backup hours. This mirrors real constraints: finishing backups before crews arrive or before reporting deadlines.
5) What if my provider advertises “up to” speeds?
Treat “up to” as a best‑case number. Increase margin, lower efficiency, or plan a higher tier if performance varies. For critical operations, test the link at peak times and consider redundancy or a service‑level agreement.
6) How often should we re-check upload requirements?
Re-check when staffing changes, cameras are added, or cloud workflows expand, and at least monthly for longer projects. Comparing history exports to measured performance helps catch creeping demand before it affects inspections and reporting.
Recent calculations
| Timestamp | Site | Base Peak (Mbps) | Recommended (Mbps) | Tier (Mbps) |
|---|---|---|---|---|
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