Payment Calculator
    build & embed yourself


    Build your own payment calculator
    with custom formulas and design.

    Calculate and pay exact price of your services or products

    Sign up Free





Payment calculator - let your customers calculate and pay exact price of your services or products

Use Stripe or PayPal payment feature to get paid online in advance.

Simply open Calculoid wizard and create your own calculator in few minutes! Plus explore over 4000 public calculators, which you can copy, customize and embed.


Sign up Free


Payment Finance Calculator



Plusko oranzova


Basic payment calculator can be built for free!


Ikona Plus modra

No code knowledge

Anyone can create and embed Calculoid calculator 


Ikona Plus modra

Easy to embed on any web

Simply past the embed code into HTML of your website

Key features to build payment calculator

Calculoid Add Field - ROI Calculator

Easy to use payment calculator builder

You do not have to be a web developer to create your own online calculator in just a few minutes.

  • Sliders and text fields for value input
  • Formula fields for calculations
  • Payment field for Stripe or PayPal payment
  • Email field for sending quote and lead generation

Excel-like propositional formulas

In addition to the basic arithmetic calculations, Calculoid allows you to use popular Excel formulas, such as IF, sin, cos, log and others. From basic 1+2 to complex volume discounting, Calculoid has endless capabilities for you payment calculation. 

Calculoid Formula Fields
Calculoid Email - ROI Calculator

Lead generation with payment calculator 

Get it to touch with your visitors who used your payment calculator. Allow users to send calculation quote to their email to generate new leads for your mailing list. Or even use Calculoid as a full-featured conversion form - it is easy to create and manage!


Start Free Trial

Create your own web calculator in a matter of minutes.
Test all features in the 14-day free trial. 

Start Free Now

No credit card or installation needed


Contact us


+1 415 800 3787





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