Uptime SLA error budget calculator

Estimate allowed downtime and failed-request budget from availability target, period length, and request volume.

Inputs are calculated in your browser. Results are estimates, not investment, tax, legal, or contract advice.

Search and use guide

Uptime SLA error budget calculator

Estimate allowed downtime and failed-request budget from availability target, period length, and request volume. privacy-first-browser-tooling

Who it helps

  • Useful for SRE, API products, and customer SLA conversations.
  • Unavailable share = 100% minus SLA. Downtime budget = period minutes times unavailable share.
  • 99.9% availability over 30 days allows about 43.2 minutes downtime.

What you can enter

  • 99.9% availability over 30 days allows about 43.2 minutes downtime.
  • Unavailable share = 100% minus SLA. Downtime budget = period minutes times unavailable share.

How to read results

Unavailable share = 100% minus SLA. Downtime budget = period minutes times unavailable share. privacy-first-browser-tooling

Data and privacy

GoGo Tools records analytics by tool slug only and does not include your input values. privacy-safe-analytics-only

FAQ

Is this investment, tax, or legal advice?

No. It is a technical capacity and cost estimate. Formal SLA or contract interpretation should follow the service terms.

Is data uploaded?

No. This batch calculates in your browser. Analytics records the tool slug only.

Can I download results?

The first release shows readable result cards. CSV export can be added in a later pass if needed.

Can I use any currency?

Yes. The tools do not lock a currency; enter every money field in the same currency.