VA Combined Rating Calculator
Use the professional VA Combined Rating Calculator to determine your precise disability compensation level using official VA Math.
Visual Rating Breakdown
| Step | Rating Applied | Combined Running Total | Efficiency Remaining |
|---|
What is the VA Combined Rating Calculator?
The VA Combined Rating Calculator is a specialized tool used by the Department of Veterans Affairs to determine a veteran's total disability rating. Unlike standard addition, where 30% + 20% would equal 50%, "VA Math" calculates the combined impact of multiple disabilities on what remains of a "whole person." This ensures that a total rating can never exceed 100%.
Veterans should use the VA Combined Rating Calculator whenever they have multiple service-connected conditions. It is essential for understanding how a new claim might affect your overall disability compensation and medical benefits eligibility. Common misconceptions include the belief that ratings are simply added together or that secondary conditions don't carry significant weight.
VA Combined Rating Calculator Formula and Mathematical Explanation
The VA Combined Rating Calculator follows a specific order of operations. First, all individual ratings are sorted from highest to lowest. The VA then applies the highest rating to the 100% efficiency of a "whole person." Each subsequent rating is applied to whatever percentage of efficiency remains.
| Variable | Meaning | Unit | Typical Range |
|---|---|---|---|
| Efficiency | The percentage of the "whole person" remaining | Percentage (%) | 0% to 100% |
| Individual Rating | The assigned value for a single disability | Percentage (%) | 0% to 100% |
| Combined Score | The raw calculated total before rounding | Percentage (%) | 0% to 100% |
| Final Rating | The score rounded to the nearest 10% | Percentage (%) | 0% to 100% |
Mathematical Derivation
1. Sort ratings: r1, r2, r3… (where r1 is the largest).
2. Calculate first loss: 100 * (r1 / 100). Remaining: (100 – r1).
3. Calculate second loss: (Remaining) * (r2 / 100).
4. Subtract loss from Remaining. Repeat for all variables.
Practical Examples (Real-World Use Cases)
Example 1: Two Disabilities
A veteran has a 50% rating for PTSD and a 20% rating for a knee injury. The VA Combined Rating Calculator first takes 50% of the whole person (100%), leaving 50%. It then takes 20% of the remaining 50%, which is 10%. Total disability = 50% + 10% = 60%.
Example 2: Three Disabilities
Ratings: 60%, 40%, and 10%.
– 60% of 100 = 60. Remaining: 40.
– 40% of 40 = 16. Total: 60 + 16 = 76. Remaining: 24.
– 10% of 24 = 2.4. Total: 76 + 2.4 = 78.4.
– Rounding: 78.4 rounds to 80% final rating.
How to Use This VA Combined Rating Calculator
1. Input Individual Ratings: Select your highest disability rating in the first dropdown of the VA Combined Rating Calculator.
2. Add Subsequent Ratings: Continue adding your ratings in descending order (though the calculator sorts them automatically).
3. Observe Real-Time Updates: Watch the "Actual Percentage" and "Rounded Result" change as you input data.
4. Interpret the Results: The large green box shows your final compensation level. The table provides a step-by-step breakdown of how the VA arrived at that number.
Key Factors That Affect VA Combined Rating Calculator Results
- The Bilateral Factor: If you have disabilities affecting both arms or both legs, an extra 10% of the combined value for those specific items is added before combining with other ratings.
- Descending Order: The order of combining matters; however, the VA Combined Rating Calculator always starts with the largest rating to ensure accuracy.
- Rounding Rules: The VA rounds to the nearest 10%. 4.4% rounds down, while 4.5% rounds up.
- Efficiency Depletion: As your combined rating increases, each new individual rating has a smaller impact on the total.
- Pyramiding: The VA does not allow "pyramiding," which is being rated twice for the same symptom or disability.
- Service Connection: Only service-connected disabilities can be entered into the VA Combined Rating Calculator.
Frequently Asked Questions (FAQ)
In the VA Combined Rating Calculator, the second 50% only applies to the remaining 50% of the "whole person," resulting in a 75% raw score (rounded to 80%).
Yes, but it requires enough combined disabilities to reach a raw score of at least 95%, which then rounds to 100%.
It is a 10% "boost" given when a veteran has service-connected disabilities in symmetric limbs (e.g., both feet or both hands).
For this VA Combined Rating Calculator, no. The logic automatically sorts them to match VA's official methodology.
A 64% raw score rounds down to a 60% combined disability rating for compensation purposes.
A 65% raw score rounds up to a 70% combined disability rating.
A 0% rating doesn't change the VA Combined Rating Calculator total, but it acknowledges the condition is service-connected, allowing for medical care and future increases.
The math formula remains constant, but the 38 CFR Part 4 (Schedule for Rating Disabilities) is updated periodically by the VA.
Related Tools and Internal Resources
- VA Disability Calculator – Estimate your monthly compensation payments based on your rating.
- Bilateral Factor Guide – Deep dive into how symmetric disabilities boost your combined score.
- SMC Calculator – Learn about Special Monthly Compensation beyond the 100% rating.
- VA Pension Eligibility – Check if you qualify for VA pension benefits.
- 38 CFR Rating Schedule – The master list used by the VA Combined Rating Calculator.
- VA Appeals Process – What to do if your VA Combined Rating Calculator results don't match your award.