| What it does | Quick, free converters and calculators for everyday use with no sign-up required
| Free Mifflin-St Jeor calculator that shows every step of the equation
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| Stage | Not given
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| Founded | Not given
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| Based in | US
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| Pricing model | Free
| Free
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| Pricing | Not given
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| Key features | - Unit converters for length, weight and distance
- Cooking and baking converters including cups to grams and oven temperature
- Health calculators for BMI, body fat, calorie and pregnancy
- Math calculators including scientific, fractions and geometry
- Date and time calculators for age, birthdays and time zones
- Everyday calculators for GPA, concrete, flooring and home projects
- Calculations performed entirely in browser with no data transmission
- Internationally agreed unit conversion definitions
| - Shows full equation working with step-by-step substitution
- Multiple activity levels from sedentary (×1.2) to extra active (×1.9)
- Katch-McArdle calculator using body fat percentage
- Step-based TDEE estimation
- Adaptive TDEE calculator from weight changes
- Embeddable calculator iframe
- Metric and imperial unit switching
- Comparison with other equations like Harris-Benedict
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| What makes it different | - No sign-up or clutter required
- Full transparency showing how calculations are derived
- Every calculator tested against worked examples before launch
- Privacy-first with calculations done entirely in browser
| - Shows all working so users can verify the math themselves
- Uses the most accurate equation for healthy adults
- Multiple calculation methods beyond basic equation
- Transparent about accuracy limitations and sources
- Completely free with no tracking or cookies
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| Community votes | 0 | 0 |
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| DR (Domain Rating by Ahrefs) | 3 ● no change since last check | 16 ▲ +1 (up) since last check |
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| Trust Flow (Majestic) | 0 | 1 |
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| Citation Flow (Majestic) | 11 | 16 |
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| Referring domains (Majestic) | 3 | 3 |
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TDEE Steps