No coding required   /   Zapier integrations   /   Easy to embed   /   SSL Protected   /   PayPal & Stripe Integration

The best features for real-time business calculations

Web calculator with Math functions

All math functions

Calculate anything like in Excel Spreadsheet. Easily, online and in real-time.

Web calculator with Custom design

Custom design

Design and brand your calculators easily so it looks like a native part of your app, software or website.

Web calculator with Secured data

100% Ownership

Get all-in-one solution for your own server or in private cloud. 

Web calculator for All platforms

All platforms

Calculators can be embedded in any web applications. Easily and with no effort.

100% mobile web calculator

100% mobile

All Calculoid calculators are 100% mobile and touch-friendly. 

The calculation platform for all your business needs

Get Calculoid as a platform to boost your products or services with embedded real-time calculations. 

  • Complete Calculoid Application
  • Public or Private Cloud
  • Own Server Solutions 
  • Open Source for possible customizations
  • Easy integrations with REST API & webhooks
  • Zapier integration with 1000+ apps
Calculoid Functions Interactive calculator preview

On the fly business calculations 

Embedded Caluloid calculator can read data from the web application where is embedded and provide any real-time business calculations over it. Embed business calculations into your online products or services. It has never been easier.

Explore function

Calculoid Functions Publishing preview

Interactive Media & Banking 

Make your online media or bank website full of interactive calculators. Calculate anything from finance, health, saving, taxes, loans or mortgages. Interaction increases users engagement, boosts lead generation and e-commerce. 

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Calculoid Functions Lead generator preview

Complete Payment Solution

Calculoid offers a complete payment solution for any online & mobile business. Embed pricing and payment right into your web application or software. The proximity of payment solution increases e-commerce revenues.

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Calculoid Functions Online payments preview

Need full power of Calculoid?
Our support experts are ready to help you with calculators solution.

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Full & Easy Integration 

Calculoid has complete REST API with webhooks which makes integration with any up-to-date software or web application piece of cake. Moreover, it has 1000+ ready to use integrations using Zapier. Integrate calculations data, leads or online payments easily. 

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Calculoid Functions Integrations preview

Web calculators templates

Calculate anything. Choose a template or start from scratch.
Boost your website interactivity, generate leads, accept payments.

E-commerce template


Online payments included

Pricing Calculator

Calculate prices for products or services in real time and get paid online.

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ROI Calculator

Calculate ROI of your products and services and collect customers leads. 

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Load & Debt Calculator

Any finance related calculations for your users - insurance, loans, debts.

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Costs Calculator

Calculate the costs of projects or services online & easily.

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Saving Calculator

Calculate any saving for your customers and send email to collect the leads.

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Online payments included

Online Store

Create a simple online store, calculate the final price and get paid online.

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Calculoid special plugins and integrations

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Create your own web calculator in a matter of minutes.
Test all features in the 30-day free trial. 

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No credit card or installation needed


Contact us


US: +1 415 800 3787
UK: +44 207 097 3577
CZ: +420 222 743 843
Office hours: 9:00 - 17:00 UTC+1



Easy Software Ltd.

Kemp House, 152-160
City Road, EC1V
2NX London, United Kingdom
Company ID: 08960980
VAT ID: GB226711521

Easy development center

Jugoslávských partyzánů 34
160 00 Prague
Czech Republic