Storage Account costs
Resource Details
Region
Type
Performance
Storage Account Type
File Structure
Access Tier
Redundancy
Quantity
No. of Virtual Machines
Duration
Operations and Data Transfer
Write Operations
List and Create Container Operations
Read Operations
All other Operations
Data Retrieval
Data Write
Point-in-time Restore
Estimation
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Estimate your Azure bill in three steps
Configure your resources
Select your Azure VM series (B, D, E series) or Storage Account type and region. Prices vary by location — East US is usually the baseline.
Set usage and quantity
Select hours or days of operation and instance count for your Azure workloads. Full-time production runs 730 hours per month.
Compare and decide
Compare 1-year and 3-year Azure Savings Plans against On-Demand pricing to find optimal savings for your infrastructure.
PRICING MODEL
How Azure Storage pricing works
An Azure Storage Account bills capacity, transactions, and data retrieval as separate lines, and two independent choices set the rates for all three. The access tier reflects how often you expect to read the data: Hot is the most expensive to store and cheapest to access, while Cool, Cold, and Archive get progressively cheaper to hold and progressively more expensive to read. Archive additionally holds data offline, so retrieval takes hours rather than milliseconds.
Redundancy is the second choice and it multiplies the capacity charge directly. Locally redundant storage keeps three copies inside one datacentre and is the cheapest. Zone-redundant storage spreads copies across availability zones in a region. Geo-redundant options replicate to a paired region hundreds of miles away and cost the most, with read-access variants adding a further premium for readable secondary endpoints. The cooler tiers also apply minimum retention periods, so deleting data early still incurs the balance of that period.
What drives your Storage bill
Access tier
Hot, Cool, Cold, and Archive trade storage price against access price. Archive is by far the cheapest per GB and by far the most expensive and slowest to read back.
Redundancy
LRS, ZRS, GRS, and RA-GRS multiply the capacity charge as replication widens from one datacentre to a paired region. This is usually the largest single lever on a storage bill.
Transactions
Read and write operations are billed per ten thousand requests, and the cooler tiers charge considerably more per operation. Chatty small-object workloads are transaction-bound rather than capacity-bound.
Data retrieval
Hot has no retrieval charge. Cool, Cold, and Archive add a per-GB fee for reading data back, which can invert the apparent saving if the data turns out to be accessed regularly.
Minimum retention
Cool carries a thirty day minimum, Cold ninety, and Archive a hundred and eighty. Deleting or re-tiering earlier still bills the remainder of that period.
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