# How to calculate percent of amount?

• rapidstream.services
Asked on June 27, 2021 at 06:06 PM

Hello

How to calculate percent of amount e.g 3%. • duyguyildiz
Answered on June 28, 2021 at 06:17 AM

Hi,

You can calculate with Form Calculation Widget

I checked your form calculation.

I saw that while formulating your calculation the fields selected as a string. You should select number. You can see the screenshot below. The formulation is as follows; Here is a reference guide for Form Calculations

Please let us know if you have any other questions.

• Richie
Answered on June 28, 2021 at 07:40 AM

Thank you for sharing your insights.

If you need assistance, kindly open a ticket at https://www.jotform.com/contact/ and we would gladly assists you.

• rapidstream.services
Answered on June 28, 2021 at 01:21 PM

Hello

Price for 20 kg is 10\$.

How to calculate +0.48\$ for every 1 kg additional

e.g. how to calculate every kg after 20 kg with additional cost +0.48\$ for every kg. • Cecile
Answered on June 28, 2021 at 06:31 PM

Hello,

I checked your form and it appears that when 3 or 5 is selected, the total value becomes 3 or 5 respectively. To calculate every kg after 20 kg with additional cost +0.48\$ for every kg, you must remove the formula in your form calculation widget. Then, add the conditions below.  Result: I hope this helps.

Let us know if you need further assistance.

Thank you.

• rapidstream.services
Answered on June 29, 2021 at 06:19 AM

Hello

I have another filed when add it to calculate all get mixed and wrong ,here is my final from :

1. KG
• 3kg=3\$ 5kg=5\$ over 20kg 0.48\$ for every kg additional.

This filed is done with you.

-----------------------------------------------------------

I want to add:

2.type of pay on cash on delivery Via:

• -Bank=1.50%
• -Cash=2.50%
• -Office-4%

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3.Cash on delivery amount.

( must calculate percent of field 2, when entered amount.)

-------------------------------------------------------------------- • Richie
Answered on June 29, 2021 at 07:47 AM

I would suggest breaking each calculation to different form calculation and use conditions to get the weight.

For example, to get the weight you can use conditions and add another form calculation widget.

In my example, I have added a new form calculation widget called "Weight Value". Then you can use Form calculation widget to get the COD payment and COD delivery. Last, you can add all the calculation widgets to get the total. Sample form:https://form.jotform.com/211792696943975

Let us know if this fits your requirements.