| What it does | Free one rep max calculator with seven formulas and percentage charts
| Privacy-first financial calculators with zero tracking and no data collection
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| Stage | Not given
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| Founded | Not given
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| Based in | Not given
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| Pricing model | Free
| Freemium
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| Pricing | Not given
| Free: 14 calculators (lifestyle, regional, utility) free forever with ads; 3 daily calculations on financial calculators. Pro: $9.99/month (30 days) or $79/year (365 days, save $40.88)
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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
| - 19 specialized calculators covering financial, lifestyle, utility, and regional categories
- Zero data collection with all calculations performed locally in browser
- Multi-currency support for USD, EUR, GBP, INR, CAD, AUD, JPY, SGD
- Professional PDF reports with charts, tables, and analysis
- Works offline with PWA functionality
- No registration required for any calculator
- Embed calculators on websites with responsive iframe code
- SIP calculator with smart analysis and inflation consideration
- Regional calculators for 8 countries with local market data
- Mobile-first design optimized for touch-friendly interfaces
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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)
| - Complete privacy protection with zero data collection and no tracking
- Industry-standard formulas verified by financial professionals at accessible pricing
- No registration or sign-up required to access any calculator
- All calculations happen locally in your browser with offline capability
- Free tier includes 14 calculators completely free forever with no limits
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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 | 9 ● no change since last check |
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| Trust Flow (Majestic) | 0 | 3 |
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| Citation Flow (Majestic) | 0 | 25 |
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| Referring domains (Majestic) | 0 | 16 |
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OneRepMax
CalcIQ