Calculate Travel Expenses with Reduced First and Last Days in Excel
Question details
The user needs a single-cell Excel formula to calculate total travel expenses where the first and last travel days are reimbursed at 75% and all other days are reimbursed at 100%.

- Product
- Excel
- Device & OS
- not provided
- Scenario
- Calculating employee per diem allowances or travel reimbursements where standard company policy reduces the pay for departure and return days.
- Observed behavior
- Instead of manually calculating individual days in separate columns, the user wants to efficiently deduct the missing 25% for the two travel days from the overall day count in a single calculation.
Ensure you have the total number of travel days entered into a specific cell and know the exact sum of your standard 100% daily per diem allowance.
Use a Percentage Subtraction Formula
Apply a mathematical reduction to the total travel days by subtracting 50% (which represents the combined 25% reduction for both the first and last days).
Instead of setting up complex IF statements or helper columns, you can simply subtract 50% (or 0.5) from the total number of travel days. Because the first and last days are each reimbursed at 75%, you are effectively losing 25% twice. This equals a total 50% reduction of one full daily rate.
By multiplying the standard daily rate by this adjusted day count, Excel will calculate the exact total allowance in a single cell.
Input the total number of days for the trip into a cell, for example, D2.
Click on the cell where you want the final calculated expense amount to appear.
Type the formula replacing the numbers with your specific daily rates. For example, if your daily rate components are $16, $17, $31, and $5, type: =(16+17+31+5)*(D2-50%).
Press the Enter key. Excel will automatically sum the daily rate, subtract 0.5 days from your total in D2, and multiply them to give the final reimbursement amount.

Calculate Expense Allowances Seamlessly in WPS Spreadsheet
WPS Spreadsheet fully supports standard financial formulas, making it incredibly easy to track travel expenses, apply complex per diem rates, and manage corporate financial reports with high precision.
- 1. Open Your Expense Tracker: Launch WPS Spreadsheet and open your existing travel reimbursement workbook.
- 2. Enter Travel Days: Input the duration of the trip into a designated cell, such as D2.
- 3. Apply the Formula: Click the total allowance cell and type your standard rate multiplied by the adjusted days, such as =(Daily_Rate)*(D2-50%).
- 4. Calculate Instantly: Press Enter to instantly generate the accurate reimbursement total without needing extra calculation columns.

Frequently Asked Questions
What if only the first travel day is reimbursed at 75%?
If only one day is reduced by 25% (and the last day is 100%), adjust your formula to subtract 25% instead of 50%. The updated formula would look like this: =(Daily_Rate)*(D2-25%).
Can I use cell references for the daily allowance components instead of numbers?
Yes. Instead of hardcoding numbers like (16+17+31+5) into the formula, you can refer to a separate cell that already calculates your total daily rate. For instance, if cell A1 holds your total daily per diem, use =A1*(D2-50%).
Why does my formula return an error when typing 50%?
If your regional Excel settings or cell formatting conflict with percentage symbols in standard formulas, simply use the decimal equivalent. Replacing '50%' with '0.5' (e.g., D2-0.5) works universally in all spreadsheet applications.
How do I handle single-day trips with this formula?
For a 1-day trip, this specific formula evaluates to 0.5 days, which might not match your company policy if single-day trips are handled differently. If needed, wrap the calculation in an IF function: =IF(D2=1, Daily_Rate*0.75, Daily_Rate*(D2-0.5)).




