Number 1: 
BetaConvert
Online unit converter for everyday use
- Calculators
- Ukraine
- DR 48 no change since last check
Calculators · United Kingdom
CalculatorFox
Free online calculators with step-by-step workings and cited sources, embeddable on any website
- Community votes
- 0
- DR by Ahrefs
- 23 −1 (down) since last check
- Started
- 2026
Ahrefs Domain Rating benchmarked 29 Oct 2026, rebuilt 24 Oct 2026.
A library of 1,336 free calculators covering finance, health, math, construction and business, with visible calculations, checked examples and cited sources.
What it is
CalculatorFox provides a library of 1,336 free calculators for money, health, maths, construction, business and everyday decisions. Each calculator shows its working steps, method, checked examples and sources. The public calculators are free, work without an account, and do not save entered figures.
Users can embed calculators on their own websites with three lines of code. Paid plans add features like saving unlimited scenarios, removing ads, exporting results as PDF or CSV, and accessing client-facing branding options. All calculators remain free regardless of plan choice.
What it is built with
- 1,336 calculators across 23 categories
- Step-by-step calculation workings shown live
- Cited sources on every calculator page
- Save and compare scenarios side by side
- Embed calculators on your website with three lines of code
- Update shared figures once across all embeds
- Export results as PDF or CSV
- Reusable assumption profiles
- Private read-only links with expiration
- Client management and reporting features
Pricing
Pricing model: Freemium
Free plan: all calculators with ads, 5 saved calculations, 1 private link. Personal: $29 USD/year or $5/month with unlimited saved calculations, no ads, PDF and CSV export. Advisor: $149 USD/year or $19/month with client-facing branding, scenarios grouped by client, one PDF per client, and priority
CalculatorFox metrics
| Metric | Value |
|---|---|
| Domain Rating | 23 −1 (down) since last check |
| Trust Flow | 24 no change since last check |
| Citation Flow | 34 no change since last check |
| Referring domains | 88 no change since last check |
| External backlinks | 6,372 no change since last check |
Ahrefs Domain Rating benchmarked 29 Oct 2026, rebuilt 24 Oct 2026. Main build topic: Computers/Internet/E-mail (24). Majestic benchmarked 8 Oct 2026, rebuilt 8 Oct 2026. Link data built by Majestic. Trust Flow, Citation Flow and Topical Trust Flow are trademarks of Majestic-12 Ltd.
CalculatorFox domain build sheet
Open the build sheet
| Domain age | 1 month |
|---|---|
| Registered | |
| Expires | |
| Registrar | NameCheap, Inc. |
| DNSSEC | Not signed |
CalculatorFox after-launch build log
Since CalculatorFox launched on Maker Launches on 8 October 2026, these are the figures we have tracked.
- Domain Rating (Ahrefs)
- 23 no change since launch
- 23 at launch (8 Oct 2026), 23 on 29 Oct 2026
- Referring domains (Majestic)
- 88
- First measured 8 Oct 2026
Day 22 since launch. Next receipt: day 30, 7 Nov 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
- What calculators are included and can I embed them?
- CalculatorFox includes 1,336 free calculators across 23 categories covering money, health, maths, construction, business and everyday decisions. You can embed any calculator on your website with three lines of code. The free plan includes a small credit line in the embed, while paid plans allow embedding with no credit line and your own colours.
- What does the Personal plan include?
- Personal is $29 per year or $5 per month and removes all free limits on saved calculations, side-by-side comparisons and private links. It adds reusable assumption profiles, removes ads, allows PDF and CSV export, enables embeds in your own colour with no credit line, and provides views by website.
- Is there a money-back guarantee?
- Yes. Email support within 14 days of any charge, first payment or renewal, and it is refunded in full to the original payment method. Both Personal and Advisor plans are covered by a 14-day money-back promise on any charge.
Leave a review for CalculatorFox
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Maker reviews · Workshop notes · Show it off · Did you make this? Claim it · Report this build
CalculatorFox 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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