Support shift handoff inventory calculator

Calculate total supplied handoff minutes and tickets lacking available next owner at handoff with your own figures.

Your numbers

Use the units shown. Results update as you change valid inputs.

Use total supplied handoff minutes and tickets lacking available next owner at handoff to compare changes to your inputs. The method and limits below explain the scope.

Examples

Examples

Try the starting example

Tickets: ID, current owner, next owner or none, deadline timestamp, estimated handoff minutes
A,X,Y,2026-10-20T18:00,10 B,X,none,2026-10-20T17:30,15 C,X,Z,2026-10-20T20:00,5
Next-owner availability: name, start timestamp, end timestamp
Y,2026-10-20T17:00,2026-10-20T19:00 Z,2026-10-20T18:00,2026-10-20T21:00
Handoff timestamp
2026-10-20T17:00
Upcoming deadline window (minutes)
60
Total supplied handoff minutes
30
Tickets lacking available next owner at handoff
B, C
Tickets due within upcoming window, earliest first
B, A
Tickets already due before handoff
None
Supplied open tickets to hand off
3

Try another scenario

Tickets: ID, current owner, next owner or none, deadline timestamp, estimated handoff minutes
A,X,Y,2026-10-20T18:00,10 B,X,none,2026-10-20T17:30,15 C,X,Z,2026-10-20T20:00,5
Next-owner availability: name, start timestamp, end timestamp
Y,2026-10-20T17:00,2026-10-20T19:00 Z,2026-10-20T17:00,2026-10-20T21:00
Handoff timestamp
2026-10-20T17:00
Upcoming deadline window (minutes)
60
Total supplied handoff minutes
30
Tickets lacking available next owner at handoff
B
Tickets due within upcoming window, earliest first
B, A
Tickets already due before handoff
None
Supplied open tickets to hand off
3
Calculation method

Calculation method

Total supplied handoff minutes

Sum estimated handoff minutes; current owner is a supplied record label, not proof of authority.

Tickets lacking available next owner at handoff

Flag missing next owner or no supplied availability covering the handoff instant.

Tickets due within upcoming window, earliest first

Include deadlines from handoff through handoff+window, sorted by deadline and input ties.

Tickets already due before handoff

Flag deadline strictly before handoff.

Supplied open tickets to hand off

Count unique supplied ticket IDs.

Symbols and units
a
Tickets: ID, current owner, next owner or none, deadline timestamp, estimated handoff minutes
b
Next-owner availability: name, start timestamp, end timestamp
c
Handoff timestamp
d
Upcoming deadline window (minutes)

Use the units shown. A list keeps the order in which you enter its values. The symbol ^ means “raised to the power of”.

Assumptions & limits

Assumptions & limits

  • A handoff-time coverage and deadline snapshot from supplied open tickets. It does not transfer ownership, verify permissions or guarantee that an owner stays available until a deadline.
Are these inputs private?

These calculations run in your browser. A shared link contains the values you choose to share. Only questions submitted to the separate AI finder are sent to OpenAI.

Further reading

Zendesk: response metrics and business-hour definitions; this tool uses its displayed convention ↗

Background reading; this does not imply endorsement or independent review of SumFizz.

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