Best Calculator Builder Products in 2025

Build & add interactive calculators to your website! Choose from more than 50 premade calculators or build your own from scratch. No coding required. Free plan available. Zapier Integration. Publish Anywhere.

Key CALCONIC_ features:

WYSIWYG calculator editor Formula editor Conditional element visibility Custom design

freemium $5.0 / Monthly ("PayPal payments", "Order From", "Mail Results", "Zapier")

AI-powered website builder that helps you create professional sites in minutes.

Key Mixo features:

No Code Builder Custom Designs and Styles Integrations AI Forms

Try for free freemium $6.0 / Monthly (No-code editor, Custom domain, Export subscribers)

Create powerful, beautiful Calculator forms.

Key ConvertCalculator features:

Ease of Use Customizability Versatile Integrations Responsive Design

Design web calculators easily with our builder—no coding needed. Choose from templates or create from scratch. Check it out now!

freemium $19.0 / Monthly (Lite)

Create price calculator forms with conditional pricing.

Key QuoteForm features:

User-Friendly Interface Customization Options Integration Capabilities Cloud-Based Accessibility

paid Free Trial $8.0 / Monthly

uCalc is a universal builder of forms and calculators.

Key uCalc features:

User-Friendly Interface Customization Options Embeddable Forms Integration Capabilities

APMonitor Modeling Language is optimization software for mixed-integer and differential algebraic equations that is coupled with large-scale solvers for linear, quadratic, nonlinear, and mixed integer programming.

Key APMonitor features:

Advanced Optimization Techniques Real-time Optimization Integration Capability Model Predictive Control

clipboard.js provides an approach to copy text to the clipboard with No Flash and No frameworks.

ID2Office is an Adobe InDesign to Microsoft Office and Apple Keynote conversion solution.

Webbsy is a PSD to HTML plugin for Photoshop.

iWinSoft Image Converter is a batch image processor that allows the user to convert multiple images to most popular vector and raster image formats including EPS, PSD, PDF, TPIC, PNG, JPG and all types of RAW formats.

Key iWinSoft Image Converter features:

Wide Format Support Batch Processing Ease of Use High-Quality Output

Create custom cost calculator forms for your website.

Build apps instead of spreadsheets.

Key Calcapp features:

Ease of Use Customizability Cross-Platform Compatibility Offline Functionality

Phase One offers RAW processing software solutions for professional photographers.