Calculation for contact form 7

Calculation For Contact Form 7 adds a calculator field tag to Contact Form 7, letting you perform real-time calculations between form fields without reloading the page. Use it to build a cost calculator, price estimator, booking quote form, mortgage calculator, tax calculator, finance calculator, or any form that needs live math.

With this Contact Form 7 Calculator plugin, you can run summation, subtraction, multiplication, division, and many other formulas across two or more fields, and display the result instantly inside the form.

This Contact Form 7 Price Calculator add-on supports arithmetic expressions between more than two fields, so you can chain multiple calculations together to fit almost any pricing or quoting scenario, including weight calculators, hotel booking quotes, car rental pricing, mortgage calculators, and tax or finance calculators.

Features

• Easy to set up with a visual tag generator inside the Contact Form 7 editor
• Adds a dedicated calculator tag to Contact Form 7
• Supports addition, subtraction, multiplication, division, and modulus
• Built-in math functions: MOD, AVERAGE, MIN, MAX, RANDOM, POW, CEIL, ROUND, FLOOR, SIN, COS, ABS, SQRT
• Date calculations: count Days, Months, and Years between two date fields
• Add a prefix to the calculated value
• Choose the number of digits after the decimal point
• Build complex math equations across multiple fields
• Hide a calculator field from the visible form while still calculating
• Multiple total fields in one form (Pro)
• Custom labels for Radio, Select, and Checkbox fields (Pro)
• Left-side prefix for calculated values (Pro)
• Right-side prefix for calculated values (Pro)
• Custom decimal formatting (Pro)
• Thousand separator for large numbers (Pro)
• Custom decimal separator (Pro)

Pro Version

• Multiple Total Fields — display more than one calculator result in a single form, each with its own formula
• Custom Labels for Radio, Select & Checkbox — use the "Label--value" syntax to set a visible label and a separate numeric value for each option, giving you full control over what users see vs. what gets calculated
• Prefix Left — attach a symbol or text (e.g. $, €, USD) to the left of the calculated result
• Prefix Right — attach a symbol or text (e.g. kg, %, hrs) to the right of the calculated result
• Thousand Separator — format large numbers with a comma, dot, or space as the thousands separator (e.g. 1,000,000)
• Decimal Separator — choose your preferred decimal separator (. or ,) for localised number formatting
• Decimal Formatting — control the exact number of digits shown after the decimal point for clean, professional output

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Demo – Basic Calculator: https://plugin999.com/demo/calcutecontactform7/basic-calculator-operations/
Demo – Date Calculator: https://plugin999.com/demo/calcutecontactform7/calendar/
Demo – Conditional Calculator: https://plugin999.com/demo/calcutecontactform7/conditional-function/
Demo – Maths Calculator: https://plugin999.com/demo/calcutecontactform7/funtion-2/

How To Set Up The Form

[text text-1]
[text text-2]

Create Label And Price In Radio, Select, Checkbox

[select menu-1 default:1 "$20--20" "$40--40" "$60--60" "$80--80"]
[checkbox checkbox-1 default:1 "$20--20" "$40--40" "$60--60" "$80--80"]
[radio radio-1 default:1 "$20--20" "$40--40" "$60--60" "$80--80"]

Addition

[calculator calculator-1 "text-1 + text-2"]

Subtraction

Read the full description on the official page →