You’re reading a job offer, a travel policy, or a company email, and suddenly you see the term “per diem.” It sounds official and maybe a little confusing. You wonder, “Is this extra salary? A bonus?
Or some kind of allowance?” Don’t worry many people feel the same the first time they see this phrase. Per diem is a common term, especially in work, travel, and finance, and once you understand it, it’s actually very simple.
Quick Answer:
Per diem means “per day.” It’s usually a daily allowance given for expenses like food, travel, or lodging.
What Does Per Diem Mean?
Per diem comes from Latin and literally means “for each day.” In modern use, it refers to a fixed daily amount of money paid to someone to cover daily costs, often during work-related travel.
- Full form: Per day
- Simple meaning: Money given for each day
- Why people use it: To cover daily expenses fairly and easily
Example sentence:
“The company pays a per diem for meals during business trips.”
In short: Per diem = per day = daily allowance for expenses.
Where Is Per Diem Commonly Used?
You’ll usually see per diem in professional or official settings:
- 💼 Work contracts and job offers
- ✈️ Business travel policies
- 🏨 Hotel and lodging expenses
- 🧾 Company reimbursement rules
- 📄 Government and corporate documents
Tone: Formal and professional
Formality: Formal (not casual or slang)
Examples of Per Diem in Context
Here are clear and realistic examples:
- “employees receive a per diem while traveling”
- “the per diem covers meals and transport”
- “you’ll get a $50 per diem per day”
- “no receipts needed with a per diem”
- “the company increased the per diem rate”
- “contractors are paid on a per diem basis”
- “hotel costs are separate from the per diem”
When to Use and When Not to Use Per Diem
✅ When to Use
- business or work travel
- contracts and policies
- expense discussions
- formal writing
❌ When Not to Use
- casual conversation
- texting friends
- informal social media posts
- jokes or slang
Comparison Table
| Context | Example Phrase | Why It Works / Doesn’t |
|---|---|---|
| work email | “your per diem is approved” | professional and correct |
| travel policy | “meals covered by per diem” | clear meaning |
| casual chat | “i got per diem lol” | sounds too formal |
Similar Words or Alternatives
| Term | Meaning | When to Use |
|---|---|---|
| daily allowance | money per day | general use |
| stipend | fixed payment | work or study |
| reimbursement | paid back later | expenses |
| travel allowance | trip expenses | business travel |
| daily rate | pay per day | contracts |
FAQs About Per Diem
#### Is per diem extra salary?
No, it’s usually for expenses, not extra income.
#### Do you need receipts for per diem?
Often no, but rules depend on the company.
#### Is per diem taxed?
Sometimes, depending on laws and limits.
#### Can per diem be used for anything?
Usually only for approved daily expenses.
#### Is per diem paid daily?
It’s calculated daily but may be paid later.
Final Thought
Per diem simply means “per day.” It’s a professional term used for daily allowances, especially during work travel. Knowing this word helps you better understand contracts, policies, and job benefits without confusion.

Aly John is an author at NumberTemple.com, writing about biblical themes, spiritual insights, and scriptural understanding, helping readers explore faith, symbolism, and deeper meanings in the Bible.