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A/B Testing Hosting Cost (Per-User) Calculator

Estimate the monthly and annual hosting cost of an A/B testing setup, including the average cost per active user.

Your Details

Overview

This A/B testing hosting cost calculator estimates the monthly cost of running experiments and tracking users, then divides that cost by your monthly active users. Add your fixed hosting and platform charges, along with expected bandwidth, storage, and provider rates.

How it works

The calculator first multiplies your active-user count by estimated bandwidth and storage per user. It converts those figures from MB to GB, applies your metered provider rates, and adds the result to fixed hosting and experimentation-platform costs. Finally, it divides the total monthly cost by monthly active users to estimate a per-user amount.

How to use this calculator

  1. 1Enter the number of monthly active users expected to participate in or be tracked by experiments.
  2. 2Add your fixed monthly hosting cost.
  3. 3Enter any recurring A/B testing platform fee.
  4. 4Estimate average bandwidth and storage used by each active user.
  5. 5Add your provider's per-GB bandwidth and storage rates.
  6. 6Review the estimated monthly total and per-user cost.

Example Calculation

Monthly active users

10000

Base monthly hosting cost

$50

A/B testing platform cost

$100

Bandwidth per user

5

Bandwidth rate per GB

$0

Storage per user

2

Storage rate per GB

$0

Cost per active user

$0.02

With 10,000 monthly active users, the estimated monthly cost is about $154.79, or roughly $0.02 per active user per month.

Frequently asked questions

What is included in the A/B testing hosting cost per user?

The estimate includes fixed hosting costs, an optional experimentation-platform fee, estimated bandwidth charges, and estimated data-storage charges.

Why is the cost per user higher at low traffic volumes?

Fixed hosting and platform charges are shared across fewer users, so the cost allocated to each user is higher.

Should I include my A/B testing platform subscription?

Yes. Enter its recurring monthly charge so the per-user figure reflects the broader cost of operating your experimentation setup.

How should I estimate bandwidth per user?

Use recent infrastructure metrics where possible. Include experiment assets, page delivery, analytics events, API calls, and other data transfer related to testing.

Does this calculator include free cloud allowances?

Not automatically. Enter a zero rate for usage that is fully included, or use an effective rate that reflects allowances and expected overage charges.

Can I use this for feature flag hosting costs?

Yes. It can also provide a simple estimate for feature flag or experimentation infrastructure when you can estimate per-user data usage and recurring costs.

Explore Related Calculators

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Assumptions and warnings

Assumptions

  • All monthly active users are assumed to generate the same average bandwidth and storage usage.
  • Bandwidth and storage charges are calculated from the rates you enter and may exclude included allowances.
  • Fixed hosting and A/B testing platform costs are treated as recurring monthly costs.
  • The annual estimate assumes usage, pricing, and user volume remain constant for 12 months.

Warnings

  • This calculator provides a planning estimate only; actual cloud and platform charges can vary with usage patterns, regional pricing, included quotas, taxes, and provider fees.
  • Review your provider invoices and pricing terms before committing to a hosting budget.