The online calculator builder to boost your
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Calculator Builder
Effortlessly build calculators with no code
Our Online Calculator Builder is designed with simplicity in mind. With our intuitive What You See Is What You Get” (WYSIWYG) editor, you can create custom calculators without ever needing to write a single line of code.
As you make changes, you can instantly preview your calculator to see how it will appear. This visual feedback loop ensures you’re in control of the calculator’s look and functionality.
Field Types
Custom calculators that tick all the boxes
Sliders
Define a range and allow visitors to select a numeric value along a slider.
Checkboxes
Enable visitors to make single or multiple selections from a list of options.
Numeric
Visitors can input numeric values, choose from Decimal, Integer, Monetary and Age.
Dropdowns
Create a list of hidden answer choices, which visitors can click to reveal.
Contact forms
Collect contact information such as names, email addresses and phone numbers.
Picture choice
Add images to multiple-choice questions in your online calculators.
Formula Builder
Create complex formulas in a few clicks
You don’t need to be a mathematician to create calculators with FreeOnlineSurveys. Our drag-and-drop editor means that building complex formulas is as simple as possible.
Whether you need basic operations like addition, subtraction, multiplication, and division, or you’re dealing with advanced functions like square roots, logarithms, or IF statements, our formula builder has you covered.
Our online calculator builder includes:
Simple formula builder
Bring your calculator to life with a single formula expression, using both simple and advanced operators & functions.
Excel-style builder
Import your own datasets and build more complex formulas using functions that reference multiple cells, rows or columns.
Real-time validation
Worried about formula errors? Our builder offers real-time validation, helping you identify and correct errors as you build.
Responsive design
Our custom calculators perform perfectly on any device. Preview designs on desktop, mobile, or tablet any time.
Instant results
Display results to visitors as they enter data or adjust parameters, side-by-side with your custom calculator.
Gated results
Collect contact information such as names and email addresses before displaying calculator results to visitors.
Conditional messages
Craft custom messages to be displayed alongside results that trigger based on users' input values and scores.
Embed calculators
Embed calculators on a landing page with a simple line of code and fully customize styles to match your website design.
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