Number 1: 
BetaConvert
Online unit converter for everyday use
- Calculators
- Ukraine
- DR 48 no change since last check
Calculators
BuildingCalc
Free professional construction calculators for contractors, DIYers and architects
- Community votes
- 0
- DR by Ahrefs
- 0 no change since last check
Ahrefs Domain Rating benchmarked 3 Nov 2026, rebuilt 3 Nov 2026.
A collection of 45 free construction calculators for concrete, painting, electrical, plumbing, roofing and other trades, with instant results and PDF/Excel
What it is
BuildingCalc provides 45 free professional construction calculators designed for contractors, builders, architects, and DIY homeowners. Each calculator applies industry-standard formulas with adjustable waste factors, allows customization of material rates and labor costs, and exports professional PDF and Excel quotations with company branding. The platform supports 13 languages and works entirely in the browser with no data storage on servers. Calculations run offline and instantly as users type, displaying material quantities, cost breakdowns, and project totals.
What it is built with
- 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
Pricing
Pricing model: Free
BuildingCalc metrics
| Metric | Value |
|---|---|
| Domain Rating | 0 no change since last check |
| Trust Flow | 0 no change since last check |
| Citation Flow | 13 no change since last check |
| Referring domains | 1 no change since last check |
| External backlinks | 1 no change since last check |
Ahrefs Domain Rating benchmarked 3 Nov 2026, rebuilt 3 Nov 2026. Majestic benchmarked 3 Nov 2026, rebuilt 3 Nov 2026. Link data built by Majestic. Trust Flow, Citation Flow and Topical Trust Flow are trademarks of Majestic-12 Ltd.
BuildingCalc domain build sheet
Open the build sheet
| Domain age | 22 days |
|---|---|
| Registered | |
| Expires | |
| Registrar | NameCheap, Inc. |
| DNSSEC | Not signed |
BuildingCalc after-launch build log
Since BuildingCalc launched on Maker Launches on 3 November 2026, these are the figures we have tracked.
- Domain Rating (Ahrefs)
- 0
- First measured 3 Nov 2026
- Trust Flow (Majestic)
- 0
- First measured 3 Nov 2026
- Referring domains (Majestic)
- 1
- First measured 3 Nov 2026
Day 0 since launch. Next receipt: day 30, 3 Dec 2026. We show what changed, not what caused it: many things affect these numbers. Nothing here is estimated.
Compare and explore
Questions from the bench
- Are the calculators really free?
- Yes. All 45 calculators, the unit converter, the BOQ tool, and unlimited PDF & Excel exports are free with no sign-up and no usage limits.
- How accurate are the estimates?
- Calculators use industry-standard formulas (ACI, NEC, and IRC references where applicable) and include adjustable waste factors. All results are estimates and should be verified against local building codes with licensed professionals consulted for structural work.
- Is my project data stored or uploaded?
- No. Calculations run entirely in your browser. Export files are generated in temporary server memory and discarded immediately after download.
- Can I use the results for client bids?
- Yes. That is exactly what the exports are designed for. Contractors use them for material take-offs, supplier orders, and client quotations every day.
- What do the PDF and Excel exports contain?
- A branded quotation with your company header, input parameters, itemized results, cost summary with grand total, terms & conditions, quote number, and date in 13 languages.
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BuildingCalc has a free listing. The owner can unlock the full profile with a paid launch for $5:
- Founder story (locked)
- Milestones (locked)
- Demo video (locked)
- Dofollow website link (locked)
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