[{"data":1,"prerenderedAt":515},["ShallowReactive",2],{"page-/en/categories/math/va-disability-calculator":3,"PvDP4ahZMA":305,"related-calculators-en":468},{"id":4,"title":5,"body":6,"description":16,"extension":299,"meta":300,"navigation":301,"path":302,"seo":303,"stem":304},"en_categories/en/categories/math/va-disability-calculator.md","VA Disability Rating Calculator (VA Math)",{"type":7,"value":8,"toc":280},"minimal",[9,13,17,20,25,42,45,49,77,81,86,89,93,96,100,103,107,118,122,149,153,156,177,180,184,210,214,240,244,270,274],[10,11,5],"h1",{"id":12},"va-disability-rating-calculator-va-math",[14,15,16],"p",{},"Figuring out your combined VA disability rating is not as simple as adding up percentages. The Department of Veterans Affairs uses its own \"whole person\" formula, sometimes nicknamed \"VA math,\" to combine multiple ratings into one final percentage. Enter each of your individual disability ratings below and this calculator will apply the official combined ratings method to estimate your combined rating and your final, rounded VA rating.",[18,19],"calculator-vadisabilityrating",{},[21,22,24],"h2",{"id":23},"what-is-a-va-disability-rating-calculator","What is a VA Disability Rating Calculator?",[14,26,27,28,32,33,36,37,41],{},"A ",[29,30,31],"strong",{},"VA disability rating calculator"," is a tool that combines two or more individual VA disability ratings into a single combined rating, using the same method the VA itself applies under ",[29,34,35],{},"38 CFR 4.25"," (the Combined Ratings Table). Unlike ordinary addition, VA math treats each additional disability as reducing only the veteran's ",[38,39,40],"em",{},"remaining"," efficiency, not their full, un-injured body. That's why five separate 20% ratings never add up to 100%, and why the order you enter your ratings in doesn't matter, but the compounding math does.",[14,43,44],{},"This calculator lets you add as many individual ratings as you need, removes the guesswork of manually working through the VA's combined ratings table, and shows you both the exact mathematical combined rating and the final rating the VA would actually assign after rounding to the nearest 10%.",[21,46,48],{"id":47},"why-use-this-va-disability-calculator","Why Use This VA Disability Calculator?",[50,51,52,59,65,71],"ol",{},[53,54,55,58],"li",{},[29,56,57],{},"Understand Your Real Combined Rating",": See exactly how the VA arrives at your combined percentage instead of guessing by simple addition.",[53,60,61,64],{},[29,62,63],{},"Plan Before You File",": Estimate your likely combined rating before submitting a claim or filing for an increase.",[53,66,67,70],{},[29,68,69],{},"Verify VA Decisions",": Cross-check a VA rating decision letter against the expected combined rating.",[53,72,73,76],{},[29,74,75],{},"Avoid Common Math Errors",": Skip the manual lookup tables and rounding rules that trip up many veterans and even some claims processors.",[21,78,80],{"id":79},"how-to-use-this-va-disability-calculator-step-by-step","How to Use This VA Disability Calculator: Step-by-Step",[82,83,85],"h3",{"id":84},"_1-enter-your-first-disability-rating","1. Enter Your First Disability Rating",[14,87,88],{},"Input your highest individual disability rating as a percentage (for example, 50% for a major joint condition).",[82,90,92],{"id":91},"_2-add-each-additional-rating","2. Add Each Additional Rating",[14,94,95],{},"Click \"Add Rating\" for every additional service-connected disability you have, entering each one as a percentage between 0 and 100.",[82,97,99],{"id":98},"_3-remove-ratings-you-dont-need","3. Remove Ratings You Don't Need",[14,101,102],{},"If you added too many rows, use \"Remove Rating\" to delete the last one.",[82,104,106],{"id":105},"_4-review-your-results","4. Review Your Results",[14,108,109,110,113,114,117],{},"The calculator automatically sorts your ratings from highest to lowest, applies the VA combined ratings formula, and displays both the ",[29,111,112],{},"exact combined rating"," and the ",[29,115,116],{},"VA-rounded final rating"," (rounded to the nearest 10%).",[21,119,121],{"id":120},"key-features","Key Features",[123,124,125,131,137,143],"ul",{},[53,126,127,130],{},[29,128,129],{},"Dynamic Rating List",": Add or remove as many individual ratings as you need.",[53,132,133,136],{},[29,134,135],{},"Official VA Combined Ratings Method",": Implements the same \"efficiency\" math described in 38 CFR 4.25.",[53,138,139,142],{},[29,140,141],{},"Exact and Rounded Results",": Shows both the precise combined percentage and the rounded figure the VA actually pays on.",[53,144,145,148],{},[29,146,147],{},"Instant Recalculation",": Results update immediately as you edit any rating.",[21,150,152],{"id":151},"the-va-combined-ratings-formula-explained","The VA Combined Ratings Formula, Explained",[14,154,155],{},"The VA does not add ratings together. Instead, it treats a veteran as starting at 100% \"efficiency\" and applies each disability, from highest to lowest, against whatever efficiency remains:",[50,157,158,161,164,171,174],{},[53,159,160],{},"Sort all ratings from highest to lowest.",[53,162,163],{},"Start with 100% remaining efficiency.",[53,165,166,167,170],{},"For each rating, apply it against the ",[38,168,169],{},"current"," remaining efficiency, then subtract that amount from the remaining efficiency.",[53,172,173],{},"The exact combined rating equals 100% minus whatever efficiency is left over.",[53,175,176],{},"The VA then rounds this exact figure to the nearest 10% to produce the final, payable disability rating (a value ending in 5 rounds up).",[14,178,179],{},"For example, combining a 50% rating with a 30% rating: the 50% is applied first, leaving 50% efficiency; the 30% rating is then applied to that remaining 50%, using up another 15 points, leaving 35% efficiency remaining. The exact combined rating is 100% minus 35%, or 65%, which the VA rounds up to a final rating of 70%.",[21,181,183],{"id":182},"focus-keywords","Focus Keywords",[123,185,186,190,195,200,205],{},[53,187,188],{},[29,189,31],{},[53,191,192],{},[29,193,194],{},"VA math calculator",[53,196,197],{},[29,198,199],{},"combined VA disability rating",[53,201,202],{},[29,203,204],{},"38 CFR 4.25 calculator",[53,206,207],{},[29,208,209],{},"VA combined ratings table",[21,211,213],{"id":212},"tips-for-accurate-results","Tips for Accurate Results",[50,215,216,222,228,234],{},[53,217,218,221],{},[29,219,220],{},"Enter Ratings in Any Order",": The calculator sorts them automatically, so entry order doesn't affect the result.",[53,223,224,227],{},[29,225,226],{},"Use Whole Ratings",": The VA only assigns disability ratings in multiples of 10%, so make sure each individual rating you enter reflects your actual rating decision.",[53,229,230,233],{},[29,231,232],{},"Double-Check Bilateral Factor and Special Rules",": Certain conditions (such as bilateral limb conditions) may require additional adjustments before combining, which this calculator does not automatically apply.",[53,235,236,239],{},[29,237,238],{},"Compare Against Your Rating Decision Letter",": Use this tool to sanity-check, not replace, your official VA correspondence.",[21,241,243],{"id":242},"common-mistakes-to-avoid","Common Mistakes to Avoid",[123,245,246,252,258,264],{},[53,247,248,251],{},[29,249,250],{},"Simply Adding Percentages",": 50% + 30% is not 80%; VA math almost always produces a lower combined figure than simple addition.",[53,253,254,257],{},[29,255,256],{},"Forgetting to Round",": The exact combined rating is rarely a clean multiple of 10; the VA always rounds the final figure.",[53,259,260,263],{},[29,261,262],{},"Ignoring Special Adjustments",": Bilateral factor, individual unemployability (TDIU), and certain presumptive conditions can change the final outcome beyond basic combined ratings math.",[53,265,266,269],{},[29,267,268],{},"Assuming Order Matters",": Combined ratings math is commutative in outcome after sorting; you don't need to enter your ratings in a particular sequence.",[21,271,273],{"id":272},"conclusion","Conclusion",[14,275,276,277,279],{},"This ",[29,278,31],{}," takes the mystery out of \"VA math\" by applying the exact combined ratings method used under 38 CFR 4.25. While it gives you a fast, reliable estimate of your combined and final rounded rating, official disability ratings are always determined by the VA itself. Use this tool to plan, verify, and better understand your claim, and confirm any final numbers directly with the VA or an accredited veterans service 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