| What it does | Free metric weight converter for milligrams, grams and micrograms
| Free ecommerce profit calculators for online sellers
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| Stage | Not given
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| Founded | Not given
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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
| - Net profit margin calculation per order
- Marketplace and payment fee auditing
- Shipping, packaging, storage and labor cost tracking
- Return and defect risk reserves
- Break-even price and maximum ad spend calculation
- Monthly profit forecasting
- Platform-specific calculators for Amazon FBA, Shopify, TikTok Shop, Etsy, and eBay
- Landed cost consolidation for import overheads
- Client-side processing with no data tracking
- Real-time reactive calculation updates
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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
| - Instant reactive calculations as you type
- Pre-loaded platform presets for global multi-currency operations
- Comprehensive suite covering multiple marketplaces and payment processors
- Automated rate syncing with financial institutions
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| DR (Domain Rating by Ahrefs) | 1 ● no change since last check | 1 ● no change since last check |
| Trust Flow (Majestic) | 17 | 0 |
| Citation Flow (Majestic) | 30 | 9 |
| Referring domains (Majestic) | 431 | 1 |