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Starlink Helper
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Calculator
Peak demand estimator
Inputs stay in your browser. Nothing is uploaded.
Household
1–12
Up to 4 (people count)
Devices on the network
Peak usage mix (active at once)
Usage profile
Headroom multipliers for burstiness and overlapping traffic.
How it works
Transparent assumptions
Activity load estimates (Mbps each)
| Activity | Down | Up |
|---|---|---|
| HD stream | 8 | 0.5 |
| 4K stream | 25 | 1 |
| Video call | 5 | 4 |
| Online gaming | 5 | 1 |
| Large download / backup | 50 | 5 |
| Security camera upload | 1 | 4 |
These are planning estimates for concurrent peak modeling — not guarantees from any ISP.
Background, headroom, and buffer
- Background: min(totalDevices × 0.25, 20) Mbps down and min(totalDevices × 0.05, 5) Mbps up.
- Profile headroom: Basic ×1.2, Balanced ×1.35, Heavy ×1.5 applied to the activity + background totals.
- Peak-user buffer: max(0, peakUsers − 1) × 3 Mbps added to download only after headroom.
Estimator bands (not Starlink products)
We classify estimated download demand into qualitative bands — Light (≤40), Typical (≤100), Heavy (≤200), Very heavy (>200) Mbps. These are estimator labels only. They are not Starlink plan names, SKUs, or advertised tiers.
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