| What it does | Free online calculators for math, finance, health, pregnancy, and more
| Free construction, trades and industrial calculators that work offline
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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 | - BMI calculator for health assessment
- Ovulation and pregnancy tracking calculators
- Percentage and fraction calculations
- Loan and mortgage financial calculators
- Construction calculators for measurements
- Unit conversion tools
- FFMI and body composition analysis
- Instant results with no processing delays
| - 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 | - Completely free with no signup or registration required
- Privacy-focused with local browser processing
- Accurate calculations based on industry-standard formulas
- 73 calculators across multiple categories
- Clean and intuitive user interface
| - 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) | 4 ▲ +1 (up) since last check | Not checked yet ● no change since last check |
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| Trust Flow (Majestic) | 1 | 0 |
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| Citation Flow (Majestic) | 13 | 13 |
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| Referring domains (Majestic) | 1 | 1 |
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InstantCalcs
buildercalc