DEVELOPER PLANNING · VERSION 1.0.0

Availability Downtime Budget

Calculate allowable downtime for a chosen uptime target and period.

Instant calculationCompare five scenariosJSON + CSV exports

Your inputs

Calculation results

Formula & assumptions

Downtime = period × (1−availability fraction).

Values use the specified units. Calculations use floating-point arithmetic. Check input measurements and formula assumptions before applying the result.

Compare your scenarios

Save up to five results to compare changes side by side. Scenarios stay in this tab until you clear or reload it.

Using Availability Downtime Budget

Calculate allowable downtime for a chosen uptime target and period.

Enter target availability, period using the units printed under each field.
Choose Calculate, or enable live updates. Review the result labels and formula assumptions.
Save scenarios to compare up to five variations, then copy the report or download JSON or CSV.

Example

Target availability: 99.9 percent
Period: 30 days
Allowable downtime · seconds: 2592
Allowable downtime · minutes: 43.2
Allowable downtime · hours: 0.72

Questions & answers

What does Availability Downtime Budget calculate?

Calculate allowable downtime for a chosen uptime target and period.

Which units should I enter?

Target availability uses percent. Period uses days. Convert values to these units before calculating.

Which formula does it use?

Downtime = period × (1−availability fraction).

What does the included example show?

Target availability: 99.9 percent; Period: 30 days. Result: Allowable downtime · seconds = 2592; Allowable downtime · minutes = 43.2; Allowable downtime · hours = 0.72.

Can I compare different settings?

Yes. Save a scenario, change the inputs and save another result. Up to five scenarios are compared in this tab; they disappear when you reload or leave.

Can I export the calculation?

Copy the JSON report or download JSON and CSV with inputs, result labels and numeric values. Processing uses local JavaScript; no calculation request is sent to our server. Displayed values use up to 10 significant digits; exports retain JavaScript numeric precision.