FitnessRecipe #030

Vibe code a macro calculator for your website

People already Google their macros. Give them the answer on your website, and capture their email while you're at it.

J
Jay from The Forge5 min read · 20 min build · $0
A lead magnet that works 24/7

Every calculation is a chance to start a conversation.

Clients keep asking you to work out their macros. So do strangers on Google.

A simple calculator on your site answers the question and gets you their email.

What this recipe does

What you get out of it

Saves time
No more manual maths

Send people to the calculator.

Saves money
$0

Built with Claude, hosted on your site.

Makes money
New leads

Every use is a potential client.

Grows the business
Look like the expert

Your tool, your brand.

Ingredients

Method

  1. Ask Claude to build it. Use this prompt.
    Build a single-file HTML macro calculator for a personal trainer's website. Inputs: age, sex, height, weight, activity level, goal. Show calories, protein, carbs and fat. Use my brand colours [colours].
  2. Add the opt-in. Ask Claude to add an email form under the results: Get your full plan.

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