What Is an SOP? Standard Operating Procedure Meaning & Format

What does SOP stand for?

SOP stands for standard operating procedure. The plural is SOPs, standard operating procedures. People also call one "the procedure", "the SOP document" or "standard work"; they mean the same written instruction for one routine task.

The same letters mean other things elsewhere. On a university application, an SOP is a statement of purpose, and in the military it can mean a standing operating procedure. This page is about the workplace meaning.

What are the 5 parts of an SOP?

Most guides name five core parts. Each one answers a question a new worker would otherwise have to ask.

1. 1

   Purpose

   Why the procedure exists and what result it protects, in one or two sentences.

2. 2

   Scope

   Who it applies to and where: the site, the shift, the equipment or the product.

3. 3

   Responsibilities

   The roles that do the work, check it and sign it off. Roles, not names.

4. 4

   Procedure

   Numbered steps in working order, one action each, with a caution on the step where the risk happens.

5. 5

   Records and references

   What to write down, where to keep it, when to escalate, and which manuals or rules the SOP follows.

Templates usually add a title and an equipment and PPE section, which gives the seven-section format used on this site.

SOP vs policy vs procedure vs work instruction

The four documents sit at different levels of detail. A policy sets the rule, a procedure maps the process, an SOP walks through one routine task, and a work instruction covers a single step or tool.

Many companies use "procedure" and "SOP" for the same document. What matters is the level of detail: if a new person cannot do the task from it alone, it is not yet an SOP. Work instructions vs SOPs, with a template

What does the SOP format look like?

A usable SOP has seven sections in this order: title, purpose, scope, responsibilities, equipment and PPE, numbered procedure steps with cautions, and notes on records. Keep one action per step, start each step with a verb, and put each safety warning on the step where the risk happens, not in a list at the end.

Get the free SOP template in Word, Google Docs or PDF

What is an example of an SOP?

These are complete SOPs written in the seven-section format. Open one to see every step, download it, or generate a version for your own site.

• RestaurantRestaurant Opening Procedure SOPOpen the restaurant safely and on time, with food held at safe temperatures and every station ready before the first guest arrives.
• LaboratoryAutoclave Operation SOPSterilize laboratory waste, media and glassware safely and verify that each cycle worked.
• WarehouseWarehouse Receiving SOPReceive inbound shipments accurately and safely, so stock in the system matches what is on the shelf.
• KitchenKitchen Closing and Line Cleaning SOPShut down and clean the kitchen line at the end of service so it is safe, sanitary and ready for the next shift.
• HotelHotel Front Desk Check-In SOPCheck guests in quickly and accurately, verify identity and payment, and give every guest the information they need for their stay.
• CleaningCommercial Office Cleaning SOPClean client offices to the same standard every visit, using the right chemicals safely.

See all SOP examples

How do you write an SOP?

1. 1

   Pick one task and one audience

   One routine task per SOP, written for the person doing it for the first time.

2. 2

   Watch the task being done

   Write down what an experienced worker actually does, in order, including the checks they make without thinking.

3. 3

   List the equipment and PPE

   Every tool, supply and piece of protective equipment, so nobody stops halfway to find one.

4. 4

   Write one action per step

   Start with a verb, give exact values such as temperatures, times and torque, and number the steps.

5. 5

   Add cautions where the risk is

   Put each warning on the step it belongs to, with what to do if something goes wrong.

6. 6

   Test it with a new person

   Have someone unfamiliar follow it while you watch, and fix every place they hesitate.

7. 7

   Approve, publish and review

   Get sign-off, put it where the work happens, and set a date to review it.

Read the full guide: how to write an SOP

Is an SOP legally required?

Usually not as a document called an "SOP", but many regulations require written procedures for specific work. In the US, for example, OSHA's lockout/tagout standard (29 CFR 1910.147) requires documented energy-control procedures for servicing machines, and FDA rules for drug manufacturing (21 CFR 211.100) require written production and process-control procedures. Food businesses with a HACCP or food safety plan must also keep written monitoring and corrective-action procedures.

Even where no rule requires one, a written SOP is what inspectors, auditors and insurers ask to see when something goes wrong. Check the rules for your industry and location; this page is general information, not legal advice.

Frequently asked questions

What is the meaning of SOP?

SOP means standard operating procedure: a written, step-by-step instruction for doing one routine task the same way every time, with the roles, equipment and safety cautions it needs.

Is an SOP the same as a checklist?

No. A checklist lists what to check; an SOP explains how to do the task, in order, with the reasons and cautions. Many SOPs end with a checklist for sign-off.

How long should an SOP be?

Usually one to three pages and five to ten steps. If it runs longer, it probably covers more than one task and should be split.

Who should write an SOP?

The supervisor or process owner, together with the people who do the work. The person who does the task every day knows the steps; the supervisor makes sure it matches the rules.

Can AI write an SOP?

Yes, as a first draft. SOPMagic writes a complete SOP in the seven-section format from a one-line description, free and without sign-up. Always check the draft against how the work is really done and against your equipment manuals and site rules.