Internet Backup Cost Calculator

Build resilient connectivity plans for remote construction teams. Enter site needs, then review cost splits. Export CSV and PDF for audits and approvals fast.

Calculator
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Count field offices, compounds, or temporary trailers.
Used to scale recurring costs across the schedule.
Displayed on totals and exports.
Optional presets can auto-fill typical values.
$
Carrier plan, satellite subscription, or ISP standby fee.
$
Managed router, remote hands, alerts, or NOC fee.
Plan limit before overage applies.
Estimate usage during failover periods.
$
Set to 0 if your plan is unlimited.
$
Router, modem, antenna, mounts, surge protection.
$
Cabling, mast work, testing, and commissioning.
Covers unknowns like site moves or SIM changes.
Applied after contingency.
$
Optional: productivity loss from outages.
Optional: expected hours saved by failover.
Results appear above this form.
Example Data Table
Sample scenarios to sanity-check inputs (illustrative figures).
Sites Months Backup Type Allowance (GB/mo) Usage (GB/mo) One-time / site Est. Total
1 6 LTE/5G 200 120 $400.00 $1,098.00
2 9 Satellite 100 180 $950.00 $6,200.00
3 12 Fixed Wireless 500 350 $520.00 $13,716.00
Use these to compare against your quotes and site constraints.
Formula Used
All values are calculated per site, then scaled by sites and months.
  • Overage_GB = max(0, Usage_GB − Allowance_GB)
  • Overage_Cost = Overage_GB × Overage_Rate
  • Monthly_Recurring = Backup_Service + Monitoring + Overage_Cost
  • Recurring_Total = Monthly_Recurring × Months × Sites
  • OneTime_PerSite = Hardware + Installation
  • OneTime_Total = OneTime_PerSite × Sites
  • Subtotal = Recurring_Total + OneTime_Total
  • Contingency = Subtotal × (Contingency% ÷ 100)
  • Tax = (Subtotal + Contingency) × (Tax% ÷ 100)
  • Grand_Total = Subtotal + Contingency + Tax
  • Avoided_Loss = Downtime_CostPerHour × Hours_Prevented × Months × Sites (optional)
  • Net_After_Avoided = Grand_Total − Avoided_Loss (optional)
How to Use This Calculator
A quick workflow for construction IT planning.
  1. Enter the number of sites and the project duration in months.
  2. Select a backup type, then confirm your service and hardware quotes.
  3. Set data allowance and expected failover usage per month.
  4. Add overage rate if your plan charges above the allowance.
  5. Include monitoring fees if a managed service is required.
  6. Add contingency and tax to match your procurement rules.
  7. Optional: enter downtime cost and hours prevented for ROI insight.
  8. Press Submit to see totals, then export CSV or PDF.
Recent Calculations
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Notes
  • This tool estimates costs; confirm vendor quotes and contract terms.
  • For satellite and microwave links, hardware and installation can dominate totals.
  • Where possible, shape failover traffic with QoS to reduce overage risk.

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Important Note: All the Calculators listed in this site are for educational purpose only and we do not guarentee the accuracy of results. Please do consult with other sources as well.