| What it does | Free home and garden material calculators that run in your browser
| Break-even ROAS calculator with tariff-aware landed cost for ecommerce
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| Stage | Not given
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| Founded | Not given
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| Based in | Not given
| HK
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| Pricing model | Free
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| Pricing | Not given
| Free: all eleven calculators unlimited, no account required. Pro: $19 per month or $190 per year (two months free).
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| Key features | - Landscape calculators for gravel, topsoil, sand, pavers and raised beds
- Grass seed and fertilizer calculators with nitrogen targets and N-P-K analysis
- Fence, deck, roof pitch, paint and retaining wall calculators
- US and metric units with bag counts and product weights
- Formulas and sources listed on every tool page
| - Tariff-aware break-even ROAS calculation including 2026 US import duties
- Scenario modeling for price and tariff rate changes
- Tariff alerts when policy rates change
- CSV export of SKU profiles
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| What makes it different | - All math runs in your browser with no data uploaded to any server
- Formulas and sources are fully documented and transparent
- No signup required to use any calculator
- Sources verified against manufacturer yields and university extension guidance
- Completely free with no paid plans or premium features
| - Free tool with no signup required; all calculators stay free forever
- Tariff calculations verified and dated; rates sourced from official sources with HTS code accuracy
- Accounts for all hidden costs that platform ROAS does not include
- Flat monthly pricing with no per-order fees that scale with revenue
- Formulas fully transparent and printed in full; no proprietary model withheld
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| Community votes | 0 | 0 |
| DR (Domain Rating by Ahrefs) | 3 ▲ +1 (up) since last check | 1 ● no change since last check |
| Trust Flow (Majestic) | 0 | 2 |
| Citation Flow (Majestic) | 0 | 24 |
| Referring domains (Majestic) | 0 | 9 |