| What it does | Free calculator for 2-stroke oil and gas mix ratios
| Free Four Pillars of Destiny chart calculator with true solar time
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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
| Freemium
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| Pricing | Not given
| Charts and tools free. AI readings: 1 reading for $4.99, 3 readings for $9.99, 10 readings for $19.99.
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| Key features | - Calculate oil amount for any fuel volume at any mix ratio
- Results in both US and metric units
- Printable mix ratio reference charts
- Bidirectional calculation
- Works in browser with no installation required
- Equipment guidance by manufacturer and class
| - Four Pillars with hidden stems and heavenly stems and earthly branches
- Day Master calculation and analysis
- Ten Gods relationship mapping
- Five Elements distribution with visible and hidden stems
- Luck Pillars with ten-year periods and annual pillars
- True solar time calculation with longitude and equation of time correction
- Two-chart comparison showing stem/branch relations
- Export and print functionality including PDF and JSON download
- Time range input for uncertain birth times
- Bilingual interface in English and Simplified Chinese
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| What makes it different | - Built and maintained by one person with editorial independence
- No user data collection or tracking of calculations
- Equipment ratios sourced from manufacturer specifications and manuals
| - All calculation rules published and adjustable, showing which rule produced each result
- Solar-term boundaries computed astronomically to the minute with historical time zone accuracy
- No prediction claims; presents charts as cultural and reflective, not scientific forecasts
- Works without birth time by showing stable and candidate pillars
- No account required for calculation; optional saving and one free AI reading after Google sign-in
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| Community votes | 0 | 0 |
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| DR (Domain Rating by Ahrefs) | 1 ▼ −1 (down) since last check | 11 ● no change since last check |
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| Trust Flow (Majestic) | 5 | 9 |
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| Citation Flow (Majestic) | 22 | 30 |
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| Referring domains (Majestic) | 15 | 45 |
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2-Cycle Oil Mix Calculator
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