MegaCalculator for Opencart - is a unique solution, which turns your online store into perfect sale instrument, which allows a customer to calculate a product, necessary quantity of a good or service, output other counted parameters of a product / service, and also has a lot of other capabilities.
!We recommend to review the demo:
DEMO - Laminate
Calculator in modal window of product card
Calculator in category modal window
DEMO - Paint
Calculator in modal window of product card
Calculator in category modal window
DEMO - Large format printing
Calculator in modal window of product card
Calculator in category modal window
DEMO - Car customs clearance
Calculator in modal window of product card
Calculator in category modal window
demo/demo
MegaCalculator solves such problems:
- Product quantity calculation according to parameters entered by a customer, and also calculation and output of additional information.
- Setting up the output and calculation of related products’ quantity.
- An option for a client to order your product straight from a product card, without going to a cart / checkout page.
- Set up the appearance of a product card for certain products / categories.
- Possibility to calculate on a category page for a certain product as well as for all products which have a certain formula.
- Product quantity / option calculation when creating an order in the admin panel.
- The mechanism of copying options from one product to selected products / products of selected categories.
- Product quantity calculation according to parameters entered by a customer, and also calculation and output of additional information.
- Setting up the output and calculation of related products’ quantity.
- An option for a client to order your product straight from a product card, without going to a cart / checkout page.
- Set up the appearance of a product card for certain products / categories.
- Possibility to calculate on a category page for a certain product as well as for all products which have a certain formula.
- Product quantity / option calculation when creating an order in the admin panel.
- The mechanism of copying options from one product to selected products / products of selected categories.
- New convenient edit formula page with product card overview.
- Add interim formulas at once in one place.
- Now you can add most of math functions to a formula, and also logic ones (if, or, not)
- New feature - output a formula result into a selector, choose a selector by clicking an element in the product overview window.
- More convenient MegaCalculator settings interface, also you can customize the appearance of a product card for a certain formula.
- Now you can add a formula to a category - no need to add new products to a formula upon their creation.
- More flexible Number option settings (how to round, change by clicking +-).
- Possibility to calculate options and quantity by calculator by adding an order in the admin panel.
- More adaptive to different Opencart modules and themes.

1Quantity calculation


2Related products
Setting up the output and calculation of related products’ quantity
Mega-related products are available - products related to main product, they are shown in main product card, their quantities are calculated according to parameters of the main product, and you can add them to cart immediately.
For instance: when calculating wallpaper quantity the mega-related product can be wallpaper glue, and its quantity is counted according to the area of walls.
3Quick checkout form
An option for a client to order your product straight from a product card, without going to a cart / checkout page.
The Quick order can be added into a product page - a client enters his/her details, shipping and payment methods, and an order is immediately created, no need to go to the shopping cart and checkout page.
4Appearance customization
Set up the appearance of a product card for certain products / categories
MegaCalculator has a lot of settings which allow you to change the appearance or behavior of a product card (for instance, hide the product quantity or possibility to remove mega-related product checkboxes), and also you can add your elements for all products or for products of a certain formula.
Also you get the new option type - number, with flexible settings (for instance, step by clicking +-, to show a slider, or to show an option just like a label).
5Calculation in category
Possibility to calculate on a category page for a certain product as well as for all products which have a certain formula
MegaCalculator allows you to show the button in the product block in the category page, which opens a modal window for calculating a product quantity and options with mega-related products and allows a client to order them.
The form of a certain MegaCalculator formula can be output in layouts, and by entering parameters the products with calculated data are shown, which you can immediately add to cart.
For instance: when you input a premise area, all products from the “Tiles” category are shown with the already calculated quantity and total.
Also the “MegaCalculator” layout is added, which you can use as a landing page.
6New option types
Product quantity / option calculation when creating an order in the admin panel
In adding a product form there is a new “Calculate” button, which opens a modal window with product data, and you can calculate the quantity and options of a product according to a formula.
7Bulk adding options
8Formulas at the level of user groups
Option to set up different formulas for different customer groups
Calculator allows to apply different calculation schemes for different customer groups on the same product.
You can set up a product calculation formula for the default customer group, which will be applied for unauthorized clients, as well as for some certain groups.
After customer authorization the calculation will be by formula which is set up for his group.
For instance, for b2b clients you can use the other formula.
9Quick order and outlay printing
You can show the Quick order form in a product card. You can shorten the client’s route, a client will have the possibility to order and pay for a product form a product card avoiding the shopping cart.
The Quick order form also allows you to send the calculation to your customer. If the client's email is specified - he will get the calculation by email.
10CALCULATOR MODES
10.1 CALCULATOR IN PRODUCT CARD
Maybe the most popular and widespread mode - is the calculation in a product card itself, avoiding unnecessary client clicks.

10.2 CALCULATOR IN MODAL WINDOW OF PRODUCT CARD.
Maybe the most popular and widespread mode - is the calculation in a product card itself, avoiding unnecessary client clicks.

10.3 CALCULATOR IN MODAL WINDOW IN CATEGORY
To decrease the number of followings and for user convenience - he can count the necessary quantity of each product in a category.

10.4 CALCULATOR LANDING PAGE
Option to create landing pages with description and title, for instance, calculator. Presented by a common panel similar to filter, where by entered parameters the values of all products will be calculated by list and sorted by amount ascending.

10.5 REMOTE CALCULATOR
In addition to the landing page - the Calculator form, which can be situated in any part of a site for proceeding to calculation results on the landing page.

Some cases and examples
CALCULATOR FOR TYPOGRAPHY
A calculator is often required for counting the price of printing products - these are widescreen banners, flyers, posters, printing on packages and other. The printing price calculation is a rather complicated process and it consists of several components, every client has his own features. For counting widescreen printing the basis of a formula is a banner area, the price in this case is for m2.
For the corrugated cardboard calculator we needed to set up the output and calculation of additional figures using dependent formulas for user convenience.
https://ed-shop.md/Format_mare/Mes
https://postersprint.ru/112-4833-14-iq
https://packbox.com.ua/tsena-korobki-chetyrekhklapannoy-3-sl-gofrokarton/
Canvas printing - here MegaCalculator is used instead of dynamic price module, as well as for Quick order.
https://tvorchi.art/Pechat-foto-na-sinteticheskom--olste-25-25-sm
FLOORING CALCULATOR
Flooring calculator is very popular among online store customers, it helps to count and immediately buy the necessary quantity of material. Calculator advantages are that you can set up the calculation of quantity multiple of packages, if a store sells only packages, also to count and output price for a package, for buyer convenience.
https://polygon-stroy.ru/index.php?route=product/product&product_id=9876
https://stk.lviv.ua/index.php?route=product/product&path=65_20_72&product_id=304
https://praktyk.com.ua/oak-hetmansky.html
There is a capability to set up the dependent calculation, by entering an area or pack quantity, a buyer can input the necessary pack quantity and see the area multiple of these packs, and vice versa.
https://полы-россии.рф/index.php?route=product/product&path=60_79_207&product_id=569
CALCULATOR OF READY MADE SOLUTIONS FOR FLOOR, CEILING, WALLS, PARTITIONS
The calculator for complete solutions consists of several products, which are counted each by their own formula, the price of a set - is the sum of all products. Allows to calculate the necessary quantity for a particular area.
https://izomaxx.ru/gotovie-reshenija-sten/beskarkasnaja-zvukoizoljacija-steni-standart-plus.html
https://izomaxx.ru/gotovie-reshenija-potolka/bazovaja-sistema-pod-natyazhnoy-potolok.html
https://izomaxx.ru/gotovie-reshenija-pola/zvukoizoljaciya-pola-standart-2.html
https://izomaxx.ru/gotovie-reshenija-peregorodok/zvukoizoljaciya-peregorodki-standart-p.html
FACADE INSULATION CALCULATOR
The calculator for counting the price of insulation material is relatively simple, a buyer must input only the required area, and the necessary quantity will be counted.
TABLETOP CALCULATOR
The calculator allows you to count the installation of a tabletop according to chosen sizes and services
https://newstone.com.ua/BA-205ROYALEBLANC_pryamaya
CONDITIONING SYSTEM CALCULATOR
This calculator example will help to calculate the necessary quantity of devices depending on premise type and its sizes. All the items are shown in a list with counted necessary quantities, a customer can compare and choose the suitable option.
CALCULATOR FOR DOORS
The door calculator allows to promptly calculate the door price, the cost of all components is included: door leaf, platbands, additional slats, box. Also by related products you can quickly select additional elements: hinges, handles, locks.
https://dveriotido.com.ua/dvery_mechkom/mezhkomnatnaya-dver-03-dub-temnyj-po
CALCULATOR FOR PHOTOWALLPAPERS, PHOTOCURTAIN, DOOR AND WALL STICKERS
The calculator will help to count the necessary wallpaper quantity for specified area. The feature is that you can select a variant from standard as well as from custom sizes.
http://indoorstyle.ru/index.php?route=product/product&path=14_21&product_id=486
http://indoorstyle.ru/index.php?route=product/product&path=1_135&product_id=5032
http://indoorstyle.ru/index.php?route=product/product&path=15_132&product_id=3569
PAINT CALCULATOR
The paint calculator counts the required quantity and price of a paint for painted surface with margin.
https://regstroy.com/lakokrasochnaya-produkciya/kraska-vodoemulsionnaya/
REPAIR CALCULATOR
You can calculate the approximate cost of apartment repair by specifying the required services..
https://remontlyx.ru/usluga/kalkulyator-remonta-kvartir
LOAN CALCULATOR
Allows to calculate the most advantageous loan conditions, to choose the interest, term, monthly payment. The loan calculator is an auxiliary tool, which can be used for a separate product, as well as for counting the custom amount without relation to a particular product.
http://markets.white-blue.com.ua/market/opencart-test%203.0.1/ru-ru/hp43065/
The W&B team will help to install and set up the calculator efficiently.
We are continuously working to improve the calculator capabilities and YOUR convenience to use it!
Since 2015 more than 400 cases have been implemented!