| What it does | Free fitness calculators for strength, training, nutrition and body composition
| Free construction, trades and industrial calculators that work offline
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| Stage | Not given
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| Founded | Not given
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| Based in | Not given
| AE
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| Pricing model | Free
| Free
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| Pricing | Not given
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| Key features | - One-rep max estimation from weight and reps
- Bench press, squat, deadlift and overhead press max calculators
- 5/3/1 training cycle generator
- TDEE and BMR calculators
- Macro and protein intake calculators
- Body fat percentage estimation using US Navy method
- Barbell plate loading calculator
- RPE and RIR conversion chart
- Calorie deficit and weight loss timeline calculator
- Warm-up set generator
| - 130+ specialized calculators for construction and trades
- Instant imperial and metric unit toggling
- Calculations aligned to verified industry standards
- Zero tracking and complete privacy on calculations
- Real-time material pricing index for concrete, lumber, and rebar
- Custom B2B calculator embedding and white-label licensing
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| What makes it different | - All formulas and sources cited on every page
- No sign-up required to use calculators
- Built on established, peer-referenced formulas from fitness and sports nutrition literature
- Works in both pounds and kilograms
- Built by a lifter
| - Engineering-grade accuracy citing primary standards like ASTM and ISO
- Dual-market architectural support for US and GCC specifications
- Complete client-side processing with zero external data transmission
- No setup, registration, or login requirements
- Transparent calculation methodology with published test vectors
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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) | 13 | 13 |
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| Referring domains (Majestic) | 1 | 1 |
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RepMaths
buildercalc