About SpeedCalcs

SpeedCalcs is a free calculator hub with 300+ online tools covering finance, health, auto, home improvement, food, travel, pets, gardening, crafts and more. Every tool is free to use, no sign up required and built to give you an accurate answer fast. No paywalls, no registration walls, no vague outputs just the number you came for.

Our Mission

SpeedCalcs exists to give everyone access to accurate, easy to use calculators for free. The internet is full of calculator sites that bury results behind ads, push email sign ups or return answers too generic to act on. We built something different: a clean, fast, honest hub where you get your answer and get on with your day.

Every calculator on SpeedCalcs is hand built, tested for accuracy and written in plain language. Inputs are labeled clearly. Outputs include enough context to be useful not just a raw number with nothing behind it. If a result needs a brief explanation to be actionable, we include it.

Our Story

SpeedCalcs was founded in Kingston, Jamaica by Alberto Miller, a self taught developer who set out to build the most useful free calculator library on the web. Starting from scratch, he built every tool individually using custom scripts, growing the site from zero to 300+ calculators across 30+ categories spanning everything from standard finance tools to highly specific niche calculators for hobbyists, crafters and small business owners.

The site was built without a team, without outside funding and without shortcuts. Each calculator was researched, built, and tested individually before going live.

Today SpeedCalcs is used by everyday people, students, bloggers and small business owners across the English speaking world. Beyond the free hub, we also design and deliver custom calculators for businesses and websites that need a tool built to their exact specifications and offer rental and white label options for those who need something live without a full build cost.

SpeedCalcs is independently owned and operated. It always has been.

Meet the Founder

Alberto Miller — Founder & Developer

Alberto is an 18 year old self taught developer based in Kingston, Jamaica. He built SpeedCalcs independently like handling design, development, content and growth entirely on his own. He is currently studying Business Management Supervision at Garmex Academy and has been building web tools since his early teens.

Every calculator on SpeedCalcs was built by Alberto personally. He is also active on Reddit, Medium and Quora, sharing tools, and guides with communities that can put them to use.

What We Offer

300+ Free Calculators
Finance, health, auto, home, food, travel, pets, gardening, crafts and more. All free, no account needed, no paywalls. Each tool is built for a specific task — enter your numbers, get your answer. New calculators are added regularly across new and existing categories.

Custom Calculator Builds
We design and deliver custom, embeddable calculators built from scratch for your website. From mortgage estimators to ROI tools, food cost calculators to niche hobbyist tools if your audience needs it, we can build it. You get a calculator coded to your specs, styled to match your site and ready to drop in via embed code. One flat fee, no recurring cost.

Calculator Rentals
Need a working calculator on your site without a build cost? Rent a hosted, embeddable calculator starting at $15.99/month. The tool lives on our infrastructure, you embed it on your page and we handle updates and uptime. Cancel anytime. Ideal for bloggers, small businesses and niche site owners who want a professional tool without commissioning a custom build.

White Label Calculators
Our calculators can be rebranded and deployed under your business name. No SpeedCalcs branding. Suitable for agencies, SaaS products and lead generation tools where the calculator needs to feel native to your platform.

Digital Products
We sell companion worksheets, cheat sheets and planning templates that pair with our free calculators. Available on Gumroad. Useful for anyone who wants a printable or offline version of the calculations they run on-site.

Custom Calculator Pricing

Starter: $60 (one-time)
One custom calculator built to your specs. Mobile friendly, fast loading and delivered with a ready to use embed code. Covers single function calculators with straightforward inputs and outputs like cost estimators, unit converters, basic finance tools. Includes one revision round and a 7 day turnaround from brief approval.

Best for: Bloggers and small sites that need one specific tool without a large upfront investment.

Standard: $150 (one-time)
A more capable calculator with conditional logic meaning the tool responds differently based on what the user inputs. Includes a custom UI styled to your brand, embed code and a short documentation file explaining how the calculator works and how to embed it. Two revision rounds, 10 day delivery.

What conditional logic covers: multi-step calculators, if/then outputs, dynamic fields that show or hide based on selections, tiered results, and calculators that handle more than one use case in a single tool.

Best for: Business websites, lead generation tools and niche sites that need a calculator doing real decision support work.

Premium: $400 (one-time)
Multiple calculators or a single calculator with multiple modes, integrated charts and visual outputs, full custom design and unlimited revisions within a 30-day window post-delivery. Priority delivery means your project moves to the front of the queue.

What this covers: calculator suites, comparison tools, multi step wizards, tools with dynamic charts (cost breakdowns, projections, amortization curves) and anything requiring a polished, branded interface built from the ground up.

Best for: Agencies, SaaS products, content businesses and anyone building a calculator as a core site feature rather than a supplementary tool.

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