| What it does | Free online calculators for everyday math, percentages, dates, conversions, and more
| Free dog age calculator and veterinary research-based pet tools
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| Pricing model | Free
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| Pricing | Not given
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| Key features | - Percentage calculator for discounts, tips, and percent change
- Date and time calculators for age, date differences, and time zones
- Math calculators for fractions and statistics
- Financial calculators for interest and taxes
- Unit converters for length, weight, and temperature
- Education tools for GPA and grade calculations
- Instant calculations with no server responses
- Mobile friendly responsive design
- Educational explanations and formulas included
| - Dog age conversion by size (small, medium, large, giant breeds)
- AKC chart showing human-year equivalents
- DNA formula comparison (UC San Diego 16 × ln(age) + 31)
- Life stage identification (puppy, young adult, mature adult, senior, end of life)
- Dog lifespan by breed tool
- Puppy weight calculator
- Dog food calculator
- Dog calorie calculator
- Dog pregnancy calculator
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| What makes it different | - All calculations run in your browser with no data storage or transmission
- Instant client-side JavaScript calculations with no server delay
- Privacy-first approach where numbers never leave your device
- Fully responsive design works on all device types
- Educational content with formulas and examples for each calculator
| - Research-based: built on peer-reviewed studies and veterinary guidelines from AAHA and AVMA
- Independent and transparent with no brand sponsorship or bias
- Mobile-friendly design that works on phones
- Multiple calculation methods shown for comparison (AKC chart and DNA formula)
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| Community votes | 0 | 0 |
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| DR (Domain Rating by Ahrefs) | 4 ▲ +3 (up) since last check | 3 ● no change since last check |
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| Trust Flow (Majestic) | 4 | 10 |
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| Citation Flow (Majestic) | 1 | 19 |
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| Referring domains (Majestic) | 2 | 12 |
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CalcWell
petcalc