Turn approved scope into actionable work
Free Work Order Generator
Document the customer, jobsite, scope, materials, labor and dates in a clear work order, then convert completed work into an invoice.
Work orders stay saved in this browser—no account needed.
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- Remembers your details
- Saves clients and items
- PDF, Word & Excel
What a work order is for
A work order is the instruction that turns an agreed price into work someone can actually carry out. It answers four questions for whoever picks it up: who the customer is, where to go, what to do, and what has been authorized.
It is also the record that connects the estimate to the invoice. Without one, the gap between what was quoted and what was billed is filled by memory, which is where most billing disputes begin.
What to put on a work order
The editor above carries project and jobsite fields alongside the usual customer details. Fill the operational parts properly — a technician reading this on site cannot ask the office what "as discussed" meant.
- Work order number and issue date
- Customer and billing contact
- Jobsite address and access notes
- Requested work in operational terms
- Labor: who, how long, what rate
- Materials and equipment required
- Scheduled date and expected duration
- Reference to the estimate, contract or PO
- Who authorized the work, and when
- Space for completion notes and sign-off
A worked work order
A typical service call. The estimate reference in the last line is what lets the office check the invoice against what was actually approved.
| Line | Qty | Rate | Amount |
|---|---|---|---|
| Labor — diagnostic and repair, senior technician | 3.5 hrs | $95.00 | $332.50 |
| Labor — apprentice assistance | 3.5 hrs | $48.00 | $168.00 |
| Materials — replacement circulation pump | 1 ea | $264.00 | $264.00 |
| Materials — fittings and consumables | 1 lot | $38.50 | $38.50 |
| Call-out charge | 1 ea | $75.00 | $75.00 |
| Subtotal | $878.00 | ||
| Tax at 8% | $70.24 | ||
| Total authorized | $948.24 | ||
Authorized against estimate EST-2026-0388. Work beyond this scope needs a new authorization before it is carried out, not after.
Scope changes on site
The most common way a work order goes wrong is that the job turns out bigger than the paperwork. A technician finds a second failed part, fixes it because they are already there, and nobody tells the office until the invoice looks wrong.
Handle it the same way a construction change order is handled: record the additional work, note who approved it and when, and reference it explicitly on the invoice. Written approval before the extra work happens is worth more than any argument afterwards.
Work order, purchase order and estimate
These three get confused constantly, usually because the same job produces all of them.
- Estimate
- Your prediction of what the work will cost. It is an offer, and it may change as the job becomes clearer.
- Work order
- The internal instruction to perform work that has been authorized. It directs and records, it does not request payment.
- Purchase order
- The buyer's document committing to purchase. It comes from the customer, not from you.
- Invoice
- The request for payment once the work is done. It should reconcile back to the work order.
From work order to invoice
Start uncertain work as an estimate, convert the approved version into a work order, then convert the completed work order into an invoice. Each conversion keeps the customer and line items and gives the new document its own number, type and reference back to its source.
Before billing, check actual hours and quantities against what the work order authorized rather than invoicing the plan. The two are rarely identical, and the difference is exactly what the customer will scrutinise.