How much does an RDS Postgres instance cost per month?

A db.m5.large at $0.171 an hour running 730 hours costs $124.83 a month. Two of them cost $249.66. Add storage and backups and the bill lands near $266. This calculator prices all three lines.

Does managed Postgres cost more than self-hosted?

The instance price is higher than raw compute because it includes failover, patching and backups. The trade is operational load. Set the hourly price to compare a managed instance against a self-managed one.

How do backups change the managed Postgres bill?

Backups bill per gigabyte stored. At $0.095 per GB, 50 GB of backups adds $4.75 a month. Retention beyond the free window is what usually grows this line over time.

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Managed Postgres Cost Calculator

A managed Postgres bill is instances plus storage plus backups. The defaults price two db.m5.large instances at $0.171 an hour over 730 hours plus 100 GB of storage and 50 GB of backups, which lands at $266 a month. Switch the presets to size the instance.

Every result is pre-rendered with the default inputs, so the numbers are readable with JavaScript off. Results update as you type and nothing leaves your browser. Part of the Buildopsy engineering calculators.

Price a managed database from instance count, hourly rate and hours plus provisioned storage and backup storage. Starts from two db.m5.large instances.

Live result · Monthly database bill · Instances plus storage plus backups, priced for a full month.

Instances

Price ($ / instance-hour)

Hours / month

Storage (GB)

Storage price ($ / GB-month)

Backups (GB)

Backup price ($ / GB-month)

Monthly bill

$266

per month · instances + storage + backups

Cost mix

93.9%instances

Instances
Storage
Backups

Runs locally · No data sent

Instance cost

$249.66 instances

count × rate × hours

Storage cost

$16.25 storage

data plus backups

Suggested teardown Database Infrastructure

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