| What it does | Free metric weight converter for milligrams, grams and micrograms
| Free concrete cost calculator priced for your metro area
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| Based in | Not given
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| Pricing model | Free
| Free
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| Pricing | Not given
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| Key features | - Live results as you type with no submit button or page reload
- Exact decimal arithmetic with no rounding drift
- Converts in both directions: milligrams to grams and grams to milligrams
- Includes micrograms as a first-class unit in the full mcg to mg to g chain
- Privacy by design with calculations running entirely in browser
- Results display up to ten decimal places with at least four significant digits for small values
- Copy button to place full equation on clipboard
- Common values quick-access chips for frequent conversions
| - Metro-area specific wage pricing from Bureau of Labor Statistics
- Multiple project types including pads, driveways, patios, block walls and rebar
- Material pricing from 2022 Economic Census updated with price index
- Source and date displayed for every number
- Covers 393 U.S. metro areas with separate wage data
- Price range reflects natural variation in contractor quotes
- No contractor payments for ranking or placement
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| What makes it different | - Exact results using SI definitions with no approximation or rounding error
- Entirely free with no account, paywall, usage limit or installation required
- Nothing sent to servers: all calculations run in your browser for complete privacy
- Educational guides explaining practical contexts where these units matter
| - All estimates built from public government data with transparent methodology
- Independent with no paid contractor rankings or sponsored content
- Calculator runs entirely from code with automated test suite
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| Community votes | 0 | 0 |
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| DR (Domain Rating by Ahrefs) | 1 ● no change since last check | 5 ● no change since last check |
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| Trust Flow (Majestic) | 17 | 9 |
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| Citation Flow (Majestic) | 30 | 30 |
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| Referring domains (Majestic) | 431 | 22 |
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Milligrams to Grams
ConcreteCostCalc