| What it does | Free one rep max calculator with seven formulas and percentage charts
| Free calculator combining VA disability ratings and estimating monthly compensation using official 2026 rates
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| Pricing model | Free
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| Pricing | Not given
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| Key features | - Seven 1RM formulas (Epley, Brzycki, Lombardi, Lander, Mayhew, O'Conner, Wathen)
- Average of all formulas as recommended result
- Percentage chart from 100% to 50% of 1RM
- Rep-max table for 1RM through 12RM
- Support for kilograms and pounds
- Exercise-specific formula defaults
- RPE adjustment for reps in reserve
- Multiple exercise categories (chest, back, legs, shoulders, arms, Olympic)
- Browser-based history with no account
- Warm-up sets calculator and rep-max table
| - Combine disability ratings using VA's official 38 CFR 4.25 and 4.26 rules
- Apply bilateral factor automatically for ratings on both arms or legs
- Access related tools for back pay, pay dates, TDIU checks, and SMC rates
- View 2026 VA disability pay chart with rates effective December 1, 2025
- Check 2027 estimated rates with 3.6% COLA adjustment
- All calculations run locally in browser with no data transmission
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| What makes it different | - Uses seven published formulas instead of one, showing average and range for transparency
- No account, sign-up, or data storage required
- Covers dozens of exercises with exercise-specific guidance and lift variations
- Warns about formula accuracy limits and when estimates are unreliable
- Includes linked tools for related calculations (DOTS, Wilks, training max, FFMI, VO2)
| - Uses official VA rates and CFR regulations without affiliation or endorsement from the Department of Veterans Affairs
- Automatically applies the bilateral factor for ratings on multiple limbs per 38 CFR 4.26
- Fully transparent: all sources cited, calculations checked against VA tables and regulations, dates of last verification noted
- No sales or referrals to paid claim services; directs users to free VA-accredited VSO representatives
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| Community votes | 0 | 0 |
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| DR (Domain Rating by Ahrefs) | Not checked yet ● no change since last check | Not checked yet ● no change since last check |
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| Trust Flow (Majestic) | 0 | 0 |
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| Citation Flow (Majestic) | 0 | 0 |
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| Referring domains (Majestic) | 0 | 0 |
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OneRepMax
VA Disability Calculator