BuildingCalc vs RoasFloor

A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.

BuildingCalc compared with RoasFloor
Detail	BuildingCalc	RoasFloor
What it does	Free professional construction calculators for contractors, DIYers and architects	Break-even ROAS calculator with tariff-aware landed cost for ecommerce
Stage	Not given	Not given
Founded	Not given	Not given
Based in	Not given	HK
Pricing model	Free	Not given
Pricing	Not given	Free: all eleven calculators unlimited, no account required. Pro: $19 per month or $190 per year (two months free).
Key features	45 specialized trade calculators Real-time calculation updates as you type PDF and Excel export with company branding Adjustable waste factors on all calculators Material rate library with regional presets Multi-language support in 13 languages Mobile-friendly responsive design Works offline entirely in browser	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
What makes it different	No sign-up, no account required Privacy-first: all calculations run locally in browser Industry-standard formulas from ACI, NEC, and IRC codes Professional exports ready for client bids and supplier orders Customizable material rates that sync across all calculators	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
Community votes	0	0
DR (Domain Rating by Ahrefs)	Not checked yet no change since last check	1 no change since last check
Trust Flow (Majestic)	0	2
Citation Flow (Majestic)	13	24
Referring domains (Majestic)	1	9

3 details filled in for both companies.

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