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Determine the Location and Number of Days
Identify the location of your business travel and the number of days you will be staying. You can find the GSA daily rates for different locations on the GSA website.
Find the GSA Daily Rate
Look up the GSA daily rate for your location. The rate includes meals, lodging, and incidentals. Make sure to check the current rates, as they may change over time.
Calculate the Per Diem Allowance
Use the formula to calculate the per diem allowance: Per Diem Allowance = (Number of Days) * (GSA Daily Rate).
Consider Partial Days
If you are traveling for a partial day, you may need to calculate a partial per diem allowance. Check the GSA guidelines for partial day calculations.
Review and Adjust
Review your calculation to ensure accuracy. Adjust the calculation if necessary, based on any specific requirements or exceptions.
Introduction to Per Diem Calculation
Per diem allowance is a daily payment made to employees for business travel expenses, covering meals, lodging, and incidentals. The General Services Administration (GSA) sets the daily rates for different locations. In this guide, we will walk you through the steps to calculate per diem allowance manually.
Understanding the Formula
The per diem allowance formula is: Per Diem Allowance = (Number of Days) * (GSA Daily Rate)
Step-by-Step Calculation
To calculate per diem allowance, follow these steps:
Step 1: Determine the Location and Number of Days
Identify the location of your business travel and the number of days you will be staying. You can find the GSA daily rates for different locations on the GSA website.
Step 2: Find the GSA Daily Rate
Look up the GSA daily rate for your location. The rate includes meals, lodging, and incidentals. Make sure to check the current rates, as they may change over time.
Step 3: Calculate the Per Diem Allowance
Use the formula to calculate the per diem allowance: Per Diem Allowance = (Number of Days) * (GSA Daily Rate).
Step 4: Consider Partial Days
If you are traveling for a partial day, you may need to calculate a partial per diem allowance. Check the GSA guidelines for partial day calculations.
Step 5: Review and Adjust
Review your calculation to ensure accuracy. Adjust the calculation if necessary, based on any specific requirements or exceptions.
Worked Example
Let's say you are traveling to New York City for 5 days. The GSA daily rate for New York City is $244 per day. Per Diem Allowance = (5 days) * (�KINL0�1,220
Common Mistakes to Avoid
- Using outdated GSA daily rates
- Forgetting to include incidentals in the calculation
- Not adjusting for partial days
When to Use a Calculator
While manual calculation is possible, using a per diem calculator can be convenient and save time. You can use a calculator when:
- You need to calculate per diem allowance for multiple locations or employees
- You want to ensure accuracy and avoid errors
- You need to calculate per diem allowance frequently