| What it does | Free fitness calculators for strength, training, nutrition and body composition
| Convert decimal hours to hours and minutes with exact math
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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
| - Convert decimal hours to hours and minutes format
- Support for multiple units: hours, minutes, seconds, and days
- Display results in multiple formats including clock time
- One-click copy functionality
- Optional rounding to nearest minute
- Quick reference conversion charts
- Show calculation steps
- Bulk converter for pasting columns
- Exact math using microseconds instead of floating-point
- Display total minutes and seconds for results
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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
| - All calculations run in your browser with no data uploaded
- Exact math using whole microseconds prevents floating-point errors
- Addresses the common timesheet mistake of reading 7.30 as 7:30
- No accounts or sign-up required
- Treats wrong results as bugs with automated test coverage
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| Community votes | 0 | 0 |
| DR (Domain Rating by Ahrefs) | Not checked yet ● no change since last check | Not checked yet ● no change since last check |
| Trust Flow (Majestic) | 0 | 0 |
| Citation Flow (Majestic) | 13 | 0 |
| Referring domains (Majestic) | 1 | 0 |