| What it does | Free calculators for everyday money, health, and time questions
| 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 | - 38 free calculators for money, health, and time questions
- Mortgage calculator with monthly payment, taxes, insurance, and amortization schedule
- Debt payoff calculator comparing snowball vs avalanche strategies
- Instant results with no loading screens
- Privacy-first: calculations run in browser only
- Support for 150+ currencies
- Printable worksheets for budgets, trackers, and savings challenges
- 55 in-depth guides covering financial and health topics
- Standard published formulas used by lenders and institutions
| - 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 | - No sign-ups, accounts, or downloads required
- Real formulas from lenders and scientific institutions instead of estimates
- Privacy-first: everything runs in browser with no data collection
- Instant results that update as you type
- Clean, clutter-free interface with no ads or noise
| - 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 |
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| DR (Domain Rating by Ahrefs) | 2 ▲ +2 (up) since last check | 1 ● no change since last check |
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| Trust Flow (Majestic) | 3 | 2 |
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| Citation Flow (Majestic) | 9 | 24 |
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| Referring domains (Majestic) | 8 | 9 |
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TidyCalcs
RoasFloor