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Free Web Calculator Tools

Use public calculators for your homepage for free. Own Calculators can be built and integrated without knowledge of PHP, Javascript or HTML.

ID 1769: Gold Karat Calculator

Gold Karat Calculator...
Status: not public (restricted rights)

ID 1734: Preferences

Understand your preferences for follow-up care!

Status: not public (restricted rights)

ID 1724: IFC

This form calculates repayments of 10months 20months and 30months - interest-fre...
Status: not public (restricted rights)

ID 1717: Mountainbike Spring Calculator

Calculate your Spring Rate for your Bike!

Status: not public (restricted rights)

Most popular calculators

ID 1465: Diamonds Price Calculator

Online calculator for the valuation of diamonds (diamond pric...
Status: public

Details: Diamonds Price Calculator

ID 1324: Direct Mailing Cost & Revenue Calculator

Fortnite Battle Royale comprises of a variety of weapons, eac...
Status: public

Details: Direct Mailing Cost & Revenue Calculator

ID 1187: Conveyor Belts Calculator and Industry Conveyor Systems

Conveyor belts simply refer to the carrying mediums of belt c...
Status: public

Details: Conveyor Belts Calculator and Industry Conveyor Systems

ID 959: Calculate your price of used gold (Gold Spot price Chart)

Whether it is tooth gold, old pieces of jewellery, coins or gold...
Status: public
Details: Calculate your price of used gold (Gold Spot price Chart)

ID 1542: Free SEO Calculator

Here you can calculate some interesting SEO metrics lie SEO R...
Status: not public

List of free online calculators for webmasters and website operators

Would you like to go the easy way, just click through our constantly growing list of existing calculation tools – and in case they are open to public, feel free to install them on your website or to use them for direct calculations on our website. Once you have created an online calculation tool, you can also set the status to „non-public“ (private) and exclusively use it for your own website. This exclusive feature is available in the attractive CALC PREMIUM bundle.

Benefits for

- visitors
- webmasters (private and small companies)
- commercial website operators

As a visitor, you have unlimited access to a variety of existing calculation tools and use these quickly, easily and totally free of charge. Of course, you can also create a simple online calculator for free. More information are available on the CALC-bundles page.

Webmasters of private and small business websites

Private or non-profit website operators as well as small businessmen (freelancers) without deeper programming skills also benefit from the free services provided by You can create the online calculator of your choice yourself or install public calculators on your own website, in order to offer your visitors an added value.

Should you be interested in several online calculators, an own source code or (coming soon) the conversion into a mobile app, the CALC-PREMIUM bundle might be interesting for you.

Commercial website operators, webmasters or administrators profit from a variety of services on

- use our integration service: We create the calculator of your choice as per your specifications, including a simply protected formula source code (the formula is not visible in the code).
- use the calculator as a poll module (data mining), since in case the calculator is set to „public“ status and of broad interest, a lot of other website operators will integrate them.
- You will receive a 100% own script code which you can also manually alter any time.

Your individual online calculator of your choice

We will happily take care of creating a calculation tool for your websites. Depending on the bundle booked, you can also send us an excel file which we will use as a basis for your calculator.

Your benefits:

- Create inexpensive calculation tools in line with latest technical standards
- Easily transmit the calculator to your website due to pure html/ java script code
- Simple formula protection: Don't let formula thieves steal your work
- Subsequently change variables and formulas free of charge
- Coming soon: Turn your online calculator into a simple application for mobile phones/ tablets (android/ iOS)