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💾 Cloud Storage Cost Calculator

Estimate object and block storage monthly cost from GB stored, redundancy tier, retrieval, and egress.

Cloud Storage Monthly — Hot, Cold, and Egress

BrainyCalculators editorial insight — unique to this tool

S3 Standard ~$0.023/GB-month; Glacier Deep Archive ~$0.00099 but retrieval hours and fees apply. Egress to internet often exceeds storage cost for media-heavy apps. 10 TB video archive + 2 TB/month egress can cost $200+ vs $23 storage alone.

When to use this calculator

Use for storage-heavy cost planning. For full compute+DB stack, use Cloud Cost.

Full cloud bill including compute?

This page isolates storage charges. For total infrastructure estimate, use the Cloud Cost Calculator →

What is Storage Cost?

Storage cost calculators multiply gigabytes stored by per-GB-month rates, adding retrieval and egress fees for cloud object storage tiers.

Use this page when storage line item is isolated. Cloud cost rolls compute, network, and storage together; API pricing tracks inference tokens.

Bandwidth calculator converts throughput units rather than billing dollars.

Storage Pricing Reference

Provider Storage $/GB/mo Egress $/GB Notes
AWS S3 Standard $0.023 $0.09 11 nines durability
GCS Standard $0.020 $0.08 Global multi-region option
Azure Blob (Hot) $0.018 $0.087 Hot/Cool/Archive tiers
AWS S3 Infrequent $0.0125 $0.09 Min 30-day storage
GCS Nearline $0.010 $0.08 Min 30-day storage
Azure Blob (Cool) $0.01 $0.087 Min 30-day storage
Local NAS (~$0.005) ~$0.005 Free Hardware amortized over 5yr
Local HDD (~$0.002) ~$0.002 Free ~$20/TB hardware cost

How the Storage Cost Calculator Works

Formula, assumptions, and calculation steps for this ai & tech tool.

Formula Used

Monthly Cost = Storage Used x Price per GB or TB

Methodology

Multiplies stored data volume by the provider's per-unit storage price for the billing period.

Calculation Steps

  1. Enter token counts, storage, traffic, users, or usage volume.
  2. Normalize units such as GB, TB, tokens, requests, or months.
  3. Multiply by the selected rate or apply the SaaS metric formula.
  4. Show monthly or per-use totals for comparison.

Assumptions and Limits

  • Vendor prices can change and should be verified before budgeting.
  • Taxes, free tiers, and committed-use discounts are included only if modeled.
  • Results are estimates for planning and comparison.

Frequently Asked Questions

Egress is data leaving a cloud provider's network. Providers charge for this because it uses their network infrastructure. Inbound data (ingress) is almost always free. Egress rates of $0.08-$0.09/GB can become significant for high-traffic applications.

For large, rarely-accessed datasets, local storage can be much cheaper per GB. But factor in hardware maintenance, power, cooling, physical security, redundancy setup, and the operational overhead. Cloud storage wins on availability, durability, and no upfront capital.

Use Standard/Hot for frequently accessed data (<30 days between accesses). Use Infrequent Access/Nearline/Cool for data accessed monthly. Use Archive/Glacier/Cold for long-term backup — cheapest storage but slow and costly retrieval.

Use a CDN to cache content at edge locations, keep processing and storage in the same region, compress data before download, use CloudFront (AWS) or Cloud CDN (GCP) which have lower egress rates than direct S3/GCS access.

11 nines durability (99.999999999%) means that if you store 10 million objects, you can expect to lose one object every 10,000 years on average. Cloud object storage is extraordinarily reliable compared to local disks which fail regularly.

Real-World Applications

📦
Amazon FBA Storage Fee Management
Amazon FBA sellers calculate monthly and long-term storage fees for their inventory — Amazon charges per cubic foot per month (with higher rates in Q4), plus an aged inventory surcharge for items stored more than 181 days. High storage costs for slow-moving inventory can eliminate profit margins entirely. The storage cost calculator helps sellers decide when to liquidate or remove inventory versus continuing to store it, based on storage cost versus expected selling price.
🏠
Self-Storage Unit Rental Comparison
Households renting self-storage units during house moves, renovations, or downsizing compare competing facilities on price per square metre or square foot per month, including access fees, insurance, and security charges. The storage cost calculator standardises these quotes to a comparable per-unit metric, and calculates total cost over the expected rental period to identify the most economical option.
☁️
Cloud Storage Architecture Cost Optimisation
DevOps engineers and cloud architects model storage costs across different AWS S3, Azure Blob, and Google Cloud Storage tiers — Standard (hot), Infrequent Access, Intelligent-Tiering, and Archive/Glacier — to find the optimal tiering strategy for their data access patterns. Moving 10 TB of rarely accessed backup data from S3 Standard ($230/month) to Glacier ($4/month) saves $2,712/year at the cost of slower retrieval times.
🛒
3PL & Fulfilment Centre Warehousing
E-commerce brands using third-party logistics (3PL) providers calculate warehousing costs per SKU to include in product margin analysis. 3PL pricing combines pallet or cubic foot monthly storage rates with pick-and-pack fees per order. The storage cost calculator determines whether high-volume, slow-moving SKUs are consuming disproportionate storage cost relative to their contribution to revenue and profit.
🏭
Manufacturing Inventory Holding Cost
Supply chain managers calculate inventory holding costs — storage space, insurance, capital cost of tied-up inventory, obsolescence risk — to support economic order quantity (EOQ) and just-in-time inventory decisions. Storage cost is typically 20–30% of inventory value per year when all factors are included. The storage cost calculator makes this explicit for each product category in the warehouse.
📊
Data Centre & NAS Storage Budgeting
IT managers and CIOs budget for on-premises storage infrastructure — SAN, NAS, and tape systems — comparing the total cost of ownership (hardware, power, cooling, rack space, maintenance) against equivalent cloud storage costs. The build-vs-buy analysis depends critically on accurate storage cost calculation for both the on-premises and cloud options over a 3–5 year planning horizon.

Common Mistakes

1
Comparing storage costs without standardising the unit of measurement
Storage providers quote costs in different units: per square foot, per square metre, per cubic foot, per pallet space, per GB, per TB. Comparing a $2.50/sq ft/month self-storage quote against a £40/m²/month quote requires unit conversion before comparison (1 m² = 10.76 sq ft). Similarly, cloud storage per GB and per TB quotes must be normalised to the same unit. Always convert to a single unit before comparing competing storage quotes.
2
Not including all cost components — only the base storage rate
Self-storage facilities charge administration fees, security deposits, lock purchases, and mandatory insurance. Amazon FBA charges storage fees plus removal order fees, labelling fees, and aged inventory surcharges. Cloud storage includes retrieval fees (charged per GB when you access archived data) that can significantly exceed the storage fee for data that is accessed occasionally. Always calculate the total cost of ownership including all ancillary fees, not just the headline storage rate.
3
Not accounting for volume changes over time
Seasonal businesses store significantly more inventory before peak seasons (Q4 for retail, summer for gardening). Amazon charges higher storage rates in October–December. A storage cost calculation based on average inventory volume understates the peak-season cost (which may be 2–5× the off-season rate) and produces an inaccurate annual budget. Model storage costs month-by-month for businesses with seasonal inventory patterns.
4
Treating cloud egress costs as zero
Cloud storage providers charge for data egress — transferring data out of the cloud, between regions, or between storage classes. AWS charges $0.09/GB for the first 10 TB transferred out per month; archive tier retrieval charges can be $0.01–$0.03/GB plus request fees. High-egress applications (media streaming, large data exports) can generate egress costs that dwarf the storage costs. Always include projected egress in total cloud storage cost models.
5
Using current storage volume to project future costs without growth adjustment
Data storage requirements typically grow over time — business data often doubles every 2–3 years as transaction volumes, customer records, and media files accumulate. Self-storage needs may grow if personal items are added. Calculating storage cost based only on current volume and extrapolating forward at a flat rate will underestimate future storage costs. Include a reasonable growth rate in multi-year storage budget projections.

Cloud Storage Pricing Tier Comparison (2024 Approximate Rates)

Tier AWS S3 Rate Best For
Standard (Hot) ~$0.023/GB/month Frequently accessed data
Infrequent Access ~$0.0125/GB/month Monthly access; retrieval fees apply
Intelligent-Tiering ~$0.023 → auto-tier Variable, unpredictable access
Glacier Instant ~$0.004/GB/month Quarterly access, ms retrieval
Glacier Deep Archive ~$0.00099/GB/month Annual access, 12-hr retrieval

References

  1. AWS. Amazon S3 Pricing. aws.amazon.com/s3/pricing, 2024.
  2. Amazon Seller Central. FBA Storage Fee Schedule. sellercentral.amazon.com, 2024.
  3. Ballou, R.H. Business Logistics/Supply Chain Management. Pearson, 2004.
  4. Chopra, S. and Meindl, P. Supply Chain Management: Strategy, Planning, and Operation. Pearson, 2016.
  5. Gartner. Cloud Storage Cost Optimisation. gartner.com, 2024.

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