Hire Me — Custom Calculator Development
Most websites are leaving money on the table. A well-placed calculator changes that.
I'm Alberto Miller, founder of SpeedCalcs a site with 300+ calculators used by thousands of visitors every month. I didn't build this by accident I built it because interactive tools do something static content simply can't they make people stay, engage and come back.
Now I build custom calculators for other sites too and the results speak for themselves.
What You Get
Every calculator I build is tailored specifically to your audience and your goals. Whether you need something to help your readers crunch numbers, make decisions faster or understand complex topics instantly I design it to fit your site like it was always there.
Calculators I build include:
- ROI & profit calculators — show your audience exactly what they stand to gain
- Pricing & cost estimators — reduce buyer hesitation before it starts
- Forecasting tools — give your readers a reason to keep coming back
- Niche specific calculators — built around the exact math your audience needs
Every build uses clean JavaScript, fully responsive design and loads fast on mobile. No bloated plugins. No friction Just a tool that works.
Packages
$60 — Starter A clean, functional single calculator with basic styling. Perfect for small blogs or first time buyers who want to test the waters without a big commitment.
$150 — Standard ⭐ Most Popular A fully custom branded calculator matched to your site's exact colors, fonts and design. Comes with a complete instruction doc so embedding is completely effortless even if you're not technical.
$400 — Premium Up to 4 advanced calculators with complex logic, full site integration and lifetime support. Built for businesses that are serious about creating a real interactive experience that converts.
Or Rent a Calculator Instead
Not ready for a custom build? No problem. SpeedCalcs already has 300+ free calculators across finance, fitness, food, travel, tech, pets and more — and you can license one directly for your site.
It's the fastest way to add an interactive tool to your page. No waiting, no development time just pick a calculator that fits your audience and I'll get it set up for you.
- ✅ Mobile-ready and fully functional from day one
- ✅ Available across 10+ niches
- ✅ No coding required on your end
Starting at $15.99/month
Affiliate & Referral Partners
Do you have an audience that could benefit from custom calculators? I offer a 35% commission on every sale you refer.
If you run a blog, newsletter or community in the web, tech or business niche this is a straightforward way to monetize your recommendations with a product your audience will actually appreciate.
Reach out through the contact form to get your referral link set up.
How It Works
Every project starts with a short consultation so I understand exactly what you need not just the math but the goal behind it. From there I move into prototyping, testing and revisions until it's right.
After delivery Premium clients receive lifetime support all other packages include 30 days of post delivery revisions.
Spots fill up. If you've been thinking about adding a calculator to your site there's no reason to wait.
Ready to Order?
Browse packages and place your order directly:
Prefer to talk it through first? Use the contact form and I'll get back to you within 48 hours.
— Alberto Miller, Founder of SpeedCalcs
Frequently Asked Questions
Packages start at $60 for a clean, functional single calculator. The Standard plan at $150 includes full branding matched to your site's colors and fonts — the most popular choice. The Premium plan at $400 covers up to 4 complex calculators with full site integration and lifetime support.
Most single calculators are delivered within 3 to 5 business days. More complex builds may take 7 to 10 business days. You will always receive a timeline estimate before any project begins.
Yes. Every calculator is built with clean, standalone JavaScript and HTML that embeds on any platform including WordPress, Blogger, Wix, Squarespace, Shopify, Webflow, and any custom HTML site. No plugins required. Standard and Premium packages include a full embedding guide.
No coding skills required. You receive a single embed snippet you paste into your page just like embedding a YouTube video. Standard and Premium packages include a step-by-step guide for your specific platform.
Calculators have been built for real estate, fitness, finance, food and cooking, home improvement, pet care, travel, automotive, e-commerce, and more. If your audience regularly asks how much, how long, or how many questions, a custom calculator is a strong fit. Reach out if your niche is not listed here.
A custom build is designed from scratch around your specific audience and logic. Renting means licensing one of the 300+ tools already live on SpeedCalcs, starting at $15.99 per month. Renting is the fastest option. A custom build is better when you need something unique to your niche or business.
Yes. Standard and Premium packages include full brand matching including your colors, fonts, and button styles. The finished calculator will feel like it was always part of your site rather than a third-party embed.
Starter and Standard packages include 30 days of post-delivery revisions. Premium clients receive lifetime support. After the support period, updates are handled at a flat hourly rate.
Because every calculator is a custom-built digital deliverable, refunds are not available once development begins. The $60 Starter package is the lowest-risk way to evaluate the quality before committing to a larger project.
Browse packages and order directly on Gumroad. To discuss your project first, use the contact form on this site and you will receive a response within 24 hours.
