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Accurate calculation of your product pricing based on the quantities purchased is important while billing your customers. When you want to charge your customers in fractional amounts, or when you want to charge for fractional quantities, Chargebee allows configuring your product pricing and units with a maximum of two decimal places, by default. When you want to use more than two decimals places, you end-up overcharging or undercharging your customers by rounding-off to the default settings.
For example, businesses in the telecommunication domain may want to track data consumption in multiple decimals like 1245.3587 MB and the pricing could be $0.015 per MB. Inaccurate billing in the absence of multiple decimal support can lead to considerable deficit in your company's overall revenue.
The multi-decimal support feature helps you avoid compromising your price and unit values, and ensures more accurate billing. With multi-decimal pricing enabled, you can use upto 20 decimal places while specifying the price and units for your plans and addons.
The product price and units with multiple decimal places as configured are considered in their entirety for invoice amount computation, tax application, reporting, and other third-party integrations.
To configure multiple decimal pricing in your Chargebee site, follow these steps:
Click Settings > Configure Chargebee > Multi-decimal Support.
In the Multi-decimal support page, click Enable to set up multiple decimal pricing.
Under Pricing Length, select the number of decimal places for price from the drop down. You can select up to 20 decimal places.
Under Quantity Length, select the number of decimal places for the quantity from the drop down. You can select up to 20 decimal places. Once you select the number of decimal places for price and units and publish the settings, you can not go back to select a lesser number of decimal places.
After the setting is enabled, you can start specifying the quantity and price values for your plan and addon price points in multiple decimal places, with the number specified in the above settings being the upper limit. For example, when you specify 10 decimal places to be the Pricing and Quantity lengths, you can define the price or quantity value with any number of decimal places upto 10.
While creating a new plan/addon price point or updating an existing price point, you can specify the units value and the price in multiple decimals based on the number of decimal places that you have configured.
When a subscription is created, the price and quantity reflects multiple decimal values as defined for the plan/addon. You can also override this value, at the time of creating or changing the subscription.
Similarly, your customer facing essentials such as emails, invoices, quotes, and so on display the product price and quantity in multiple decimal places. The line item amounts are however rounded off to their currency precision. Learn more about the rounding logic for line item amounts.
When multi-decimal support is enabled, the decimal places of your plan/addon price and quantities are considered in their entirety for line item amount and tax computation. However, these line item amount and tax amount that are derived after price computation are displayed, rounded off to zero or two decimal places based on the currency format.
Here is an example of how rounding logic works:
Consider a plan that is priced at 4.4556 per unit.
When the total quantity subscribed for is 10.625, the invoice amount is calculated as follows:
Plan Price 4.4556 X Quantity subscribed 10.625 = Line item amount computed 47.34075
The same rounding logic is applied for credit notes and quotes. The line item amount and tax amount are rounded off to their currency precision.