Frequent Flyer Miles Calculator
Estimate the frequent flyer miles you earn from a flight using distance, fare-class earning rate and elite or cabin bonuses, with the mileage formula explained.
Updated 2026-06-14 · Free · No sign-up · Runs privately in your browser
Estimate frequent flyer miles from flight distance, your earning rate, and any elite or cabin bonus. Use your program's published rates for an accurate figure.
Show the formula & steps
How the Frequent Flyer Miles Calculator Works
For airlines that still award miles based on distance flown, the miles you bank come from three things: the flight distance, your fare class’s earning rate (a percentage of that distance), and any elite-status or premium-cabin bonus. This calculator combines them into the total redeemable miles for a flight.
Enter the flight distance, the earning-rate percentage for your fare, and your total bonus percentage. Because the rates come from you, the tool stays accurate for any distance-based program rather than relying on tables that change.
The Formula
Base miles = distance × earning rate % Bonus miles = base miles × bonus % Total miles = base miles + bonus miles
The earning rate captures fare class (a discounted economy ticket might earn 50 percent, a full fare 100 percent or more), while the bonus captures elite tier and cabin perks.
Worked Example
You fly 2,475 miles on a fare that earns 100 percent, and you hold a status that gives a 25 percent elite bonus:
- Base miles = 2,475 × 100% = 2,475 miles
- Bonus miles = 2,475 × 25% = 619 miles
- Total = 2,475 + 619 = 3,094 miles
If the same flight were booked in a deep-discount fare earning 50 percent, the base would be 1,238 miles and the bonus 309, for 1,547 total.
How Fare Class and Status Change Earnings
For a fixed 2,475-mile flight, the earning rate and bonus drive everything:
| Earning rate | Elite bonus | Total miles |
|---|---|---|
| 25% | 0% | 619 |
| 50% | 25% | 1,547 |
| 100% | 25% | 3,094 |
| 150% | 75% | 6,497 |
Tips for Maximizing Miles
- Check the fare class first. Two seats in the same cabin can earn very different percentages depending on the booking class.
- Stack your bonuses. Add elite-tier and premium-cabin bonuses together, then enter the combined percentage.
- Credit to the right program. Partner airlines often earn at different rates, so credit a flight where it earns the most.
- Know your program type. If your airline earns per dollar rather than per mile, this distance-based estimate will not match; use a revenue-based calculation instead.
Frequently asked questions
How are frequent flyer miles calculated?+
In a distance-based program, you earn a percentage of the actual flight distance set by your fare class, then add any elite-status and premium-cabin bonuses. For example, 2,475 miles flown at a 100 percent earning rate with a 25 percent elite bonus earns 2,475 + 619 = 3,094 redeemable miles.
What is an earning rate or fare-class percentage?+
Distance-based airlines award miles as a percentage of the distance flown, set by the fare class booked. Full-fare tickets often earn 100 to 150 percent, while deep-discount economy fares may earn 25 to 50 percent or sometimes zero. Enter your fare's published percentage as the earning rate.
How do elite and cabin bonuses work?+
Elite-tier members and premium-cabin passengers earn extra miles on top of the base amount, expressed as a bonus percentage. A 25 percent elite bonus on 2,475 base miles adds 619 miles. Stack multiple bonuses by adding their percentages before entering the total bonus.
Does this work for revenue-based programs?+
No. Many major US programs now award miles per dollar spent on the fare rather than per mile flown, often 5 to 11 miles per dollar depending on status. This calculator is for distance-based earning. For revenue-based programs, multiply your fare by the miles-per-dollar rate instead.
How do I find the flight distance in miles?+
Use the great-circle distance between the airports, which most mileage and route tools list. Airlines credit the published segment distance, not the wandering path the plane actually flies, so the great-circle figure between your origin and destination is the right number to enter.