Stand out from competitors with interactive tools that demonstrate your expertise, generate leads, and build trust with prospects.
Visitors spend 2-3x longer on pages with interactive elements. Calculators keep prospects on your site and engaged with your content.
When visitors use your calculators, they're showing intent and interest in your services. Capture these high-quality leads at their moment of engagement.
Interactive tools showcase your expertise and provide immediate value to prospects, establishing you as a trusted authority in your field.
Browse my portfolio of custom financial calculators. Each calculator is designed to be intuitive, mobile-responsive, and seamlessly integrated with your website.
Interactive tool for analyzing bond prices, yields, and duration under different scenarios. Perfect for investment advisors.
View Live DemoComprehensive tool comparing the financial outcomes of buying vs. renting over time. Ideal for real estate professionals.
View Live DemoGetting your custom calculator is simple and straightforward
Pay a $200 deposit to secure your place in the development queue.
We'll discuss your specific needs and I'll provide a custom quote (from $500-$2,500).
I'll build your custom calculator with your branding, testing on all devices.
Your calculator is set up on a custom subdomain with seamless integration to your site.
Custom calculators tailored to your specific business needs
For simple financial calculations with clean design
For more complex calculations with data visualization
For advanced platforms with multiple integrated tools
""Gustav is very easy to work with, he's very organised and takes feedback into account when submitting drafts. The quality of the writing is very good and not many edits are needed, if at all. He also adheres to the agreed schedule so you can rely on him when planning your content calendar.
"Gustav is a great writer, he is very responsible, adheres to deadlines, offers ideas and feedback and writes valuable content that readers like. Highly recommend!
I specialize in financial calculators including mortgage calculators, retirement planners, investment return projectors, loan amortization tools, buy vs. rent comparisons, bond calculators, and more. If you have a specific calculation need, I can build a custom solution.
Typical development time ranges from 1-3 weeks depending on complexity. Basic calculators can be completed in as little as 5-7 business days, while advanced solutions with complex modeling may take 2-3 weeks.
The calculator will be hosted on a custom subdomain (e.g., calculator.yoursite.com) that seamlessly matches your branding. You can link to it directly from your website with no technical integration required. For more advanced integrations, I can provide custom solutions.
Yes! I can add lead capture functionality to your calculator, allowing you to collect user information and results. This data can be sent to your email or integrated with your CRM or marketing automation platform.
After your deposit, I'll contact you within 1 business day to schedule a consultation call. We'll discuss your specific needs, timeline, and I'll provide a detailed quote for the total project. The $200 deposit is applied to your final invoice.
Reserve your spot today with a $200 deposit. Limited availability due to high demand.
All calculators on this site are provided for educational and informational purposes only. They do not constitute financial, tax, or legal advice and should not be relied upon as such.
The results shown are estimates based on your inputs and underlying mathematical models, which include certain constants and variables that have been pre-set. While I have exercised great diligence and care in designing these calculators, the accuracy of results depends on user inputs and internal parameters which may not always reflect your specific situation.
I am not a financial, tax, or legal adviser. Calculator results may not account for all relevant factors in your personal circumstances. Values such as prices, yields, returns, tax rates, etc. may vary significantly based on market conditions, fees, regulations, and other factors not accounted for in these calculators.
Always consult with qualified financial, tax, and/or legal professionals before making any investment or financial decisions.