VA Calculators and Tools
Calculators for the most common VA disability math problems — combined ratings, the bilateral factor, TDIU eligibility, and SMC tier identification. Each is free, runs entirely in the browser, and requires no signup.
Combined Rating Calculator
38 CFR 4.25 math with 2026 monthly compensation lookup and dependent adjustments.
Bilateral Factor Calculator
38 CFR 4.26 — combines paired-extremity ratings + adds the 10% bilateral adjustment.
TDIU Eligibility Checker
Quick yes/maybe/no on whether your ratings meet 38 CFR 4.16 schedular TDIU thresholds.
SMC Tier Calculator
Identify which Special Monthly Compensation tier (K through T) applies to your service-connected losses.