| What it does | Free, real-time converter for tons to kilograms with exact SI constants
| Free construction calculators for concrete, landscaping and home projects
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| Pricing model | Free
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| Pricing | 100% free, no signup required
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| Key features | - Real-time conversion as you type
- Supports three ton types: metric, US short, and UK long
- Displays exact conversion constant with every result
- No signup, no account required
- Bidirectional conversion toggle between tons and kilograms
| - Square footage calculator for rooms, homes and lots
- Concrete calculator for slabs, footings, walls and columns
- Stair calculator with code checks for risers and treads
- Gravel and landscaping calculators for driveways and paths
- Roofing calculator for shingles and squares
- Deck calculator for boards, joists and screws
- Mulch calculator for garden beds in yards or bags
- Drywall calculator for sheets and screws
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| What makes it different | - Uses exact SI conversion constants rather than rounded approximations
- All calculations run client-side with no server calls or data storage
- Defaults to metric ton, the international standard
- Completely transparent methodology
| - Every formula is shown, tested and sourced
- Calculations run in your browser with no data sent anywhere
- All numbers come from named sources with citations and data sheets
- Independent and not affiliated with any manufacturer or retailer
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| Community votes | 0 | 0 |
| DR (Domain Rating by Ahrefs) | 6 ● no change since last check | 1 ● no change since last check |
| Trust Flow (Majestic) | 17 | 5 |
| Citation Flow (Majestic) | 7 | 11 |
| Referring domains (Majestic) | 25 | 2 |