VA Disability Combined Rating Calculator
Combine up to eight individual service-connected ratings in highest-to-lowest order using the VA whole-person approach. The result shows each intermediate whole-number combination and the separate final rounding to the nearest 10%.
Enter individual VA ratings
Use the percentages assigned in the VA decision. Zero-percent ratings can be entered but do not change the combined value. Do not enter a hoped-for rating or the already combined rating.
Why VA math does not add ratings
Begin with the most severe rating
VA places individual ratings from highest to lowest. A 50% rating leaves a person 50% efficient under the whole-person model. The next disability is applied to that remaining efficiency, not to a fresh 100%.
Compress each next percentage
A 30% rating applied after 50% affects 30% of the remaining 50, adding 15 percentage points. The combined value becomes 65%, leaving 35% efficiency for the next rating.
Round in two distinct places
The combined-ratings table supplies a whole-number intermediate value after each pairing. After every rating is combined, the final value is converted to the nearest degree divisible by 10, with values ending in 5 rounded upward.
This method ensures the combined value does not exceed the whole person. It also explains why two ratings of 10% do not total 20 before rounding. The first leaves 90% efficiency; the second applies to that 90%, adding 9 percentage points and producing 19%. Only then does final rounding yield a 20% combined rating.
Worked example: 50%, 30%, 20%, and 10%
First pair: 50 and 30
Begin at 50% disabled and 50% efficient. Thirty percent of the remaining 50 is 15. Adding 15 to 50 produces a combined value of 65. This agrees with the VA combined-ratings table intersection for 50 and 30.
Add 20 to the 65 combination
A 65% combined value leaves 35% efficient. Twenty percent of 35 is 7, so the new combined value is 72. The calculation now leaves 28% of the whole person available for the final rating.
Add 10 and perform final rounding
Ten percent of the remaining 28 is 2.8. The intermediate table value rounds that addition to produce a combined 75. Only after all four ratings are processed is 75 rounded to the nearest multiple of ten. Because a final value ending in 5 rounds upward, the estimated combined rating is 80%. The simple arithmetic sum of 110% has no role in the VA result.
Intermediate combination versus final rating
Intermediate whole number
When more than two ratings exist, carry the whole-number combined table value into the next pairing. Do not round that value to the nearest 10 after every step. Prematurely turning 65 into 70 before adding another condition overstates the base for later combinations.
Final nearest 10
After the last rating, values from 5 through 14 become 10, 15 through 24 become 20, and the pattern continues. A final 74 becomes 70, while 75 becomes 80. The displayed raw value lets the user see which side of the boundary the calculation reached.
When the bilateral factor can change the sequence
VA regulations provide a bilateral factor when compensable disabilities affect both arms, both legs, or paired skeletal muscles under the rule. The qualifying left and right disabilities are first combined as usual, then 10% of that bilateral combined value is added before the result is combined with other disabilities. Determining the correct grouping is fact-sensitive and can involve several conditions in paired extremities.
This calculator does not ask which body part belongs to which rating and therefore cannot safely automate the bilateral factor. Selecting “yes or uncertain” does not adjust the percentage; it displays an escalation message. Use the actual diagnostic descriptions and rating decision with an accredited representative or the VA’s official tools. A generic toggle that simply adds 10 percentage points would be wrong because the factor is 10% of the bilateral combined value, not 10% of the final rating.
What a combined rating does and does not tell you
It summarizes schedular ratings. VA uses the combined rating in determining the monthly compensation rate and eligibility for other benefits. The individual ratings themselves come from evidence, applicable diagnostic criteria, and the VA claim process. A calculator cannot assign a percentage to symptoms or predict a claim decision.
It is not the same as individual unemployability. Total Disability based on Individual Unemployability can pay at the 100% rate when qualifying service-connected disabilities prevent substantially gainful employment, even though the combined schedular rating is below 100%. Separate threshold and factual requirements apply.
It does not calculate special monthly compensation. SMC can depend on loss or loss of use, aid and attendance, housebound status, and particular combinations of independently rated disabilities. Ordinary whole-person math alone cannot determine the entitlement or rate.
It does not supply the payment amount. Compensation tables vary by effective year and can depend on dependents and special circumstances. Retroactive benefits depend on effective dates, staged ratings, withholding, offsets, and past payments. The calculator deliberately omits a dollar estimate so a percentage is not mistaken for a current award.
How to reconcile this estimate with a VA decision
List every service-connected condition and its percentage from the rating decision or the authenticated VA profile. Distinguish denied conditions and zero-percent service-connected conditions from compensable ratings. Note effective dates, because ratings that apply during different periods should not be combined as if they were simultaneous. Then identify any paired-extremity ratings that may require the bilateral factor.
If the estimate differs, first check the ordering and whether the bilateral factor was applied. Next check whether VA used an intermediate table value that differs from a calculation rounded at the wrong stage. Also review reductions for preservice disability aggravation and whether a temporary rating began or ended. An accredited Veterans Service Organization representative, attorney, or claims agent can help interpret the code sheet and decision.
Do not use this tool to choose percentages to submit. A claim should describe the condition and provide truthful evidence; VA applies the rating schedule. If the decision appears wrong, read the notice for review options and deadlines. Higher-level review, supplemental claim, and Board appeal routes have different evidence rules and timing.
Federal tax treatment is separate from rating math
VA disability benefits generally are excluded from federal taxable income. Do not enter tax-free VA disability compensation as taxable wages merely because a household budget includes it. Confirm the tax character of military retirement, Combat-Related Special Compensation, Concurrent Retirement and Disability Pay, severance recoupment, and other payments independently.
Common calculator mistakes to avoid
Adding percentages. A 60% rating and a 40% rating do not automatically equal 100%. The 40% applies to the 40% efficiency left after the first rating, producing 76 before final rounding, or 80% after final rounding.
Entering the current combined percentage as another condition. Use only individual ratings. Combining an existing 80% result with all of its component conditions double-counts the same disabilities.
Rounding after every condition to the nearest ten. Intermediate results stay at whole percentages. Nearest-ten rounding occurs after all conditions, except that the bilateral calculation has its own prescribed ordering and conversion.
Ignoring effective dates. A newly granted condition effective in June should not be included when estimating the combined rating for the prior January. Build a separate rating set for each period in which the active individual percentages differ.
Assuming 100% schedular and TDIU are interchangeable. Both can lead to payment at the total rate in some circumstances, but rules about employment, future review, ancillary benefits, and permanence can differ. Read the award language rather than inferring status from the deposit.
Frequently asked questions
Why do 50% and 30% combine to 65%?
After a 50% rating, 50% of the whole person remains efficient. The next 30% applies to that remaining 50, adding 15 percentage points. Fifty plus fifteen equals sixty-five.
Does a raw combined 95% become 100%?
Under final nearest-ten rounding, a combined value of 95 converts to 100. A raw 94 converts to 90. Official inputs, bilateral treatment, and intermediate table values must be correct before that conclusion is useful.
Do zero-percent ratings matter?
A 0% service-connected condition does not increase the combined percentage, but service connection can still matter for treatment, future increase claims, and other benefits. The calculator leaves the combined math unchanged.
Can I add the bilateral factor myself?
The bilateral factor requires identifying qualifying paired-extremity disabilities, combining them in the correct group, adding 10% of that bilateral value, and then proceeding with other ratings. Because this calculator lacks body-part classification, it does not automate that step.
Is the result my official VA rating?
No. It is a mathematical estimate from the percentages entered. Only VA can assign individual ratings, apply the bilateral factor and other rules, establish effective dates, and issue the official combined rating.
Nonofficial estimate: This calculator implements the base whole-person combination and final rounding described by VA. It excludes the bilateral factor and benefit-entitlement rules. Use the official rating decision and obtain accredited assistance for claim or appeal decisions.