Free Kitchen Tools & Calculators
Answers to the questions every citrus recipe raises: how many lemons to buy, what a recipe's nutrition adds up to, and how much protein you need. No sign-up, and every number has a source.
Citrus Yield & Substitution Calculator
Turn "juice of 3 lemons" or "1/2 cup lime juice" into a shopping number, see how much juice and zest a bag will give you, and get exact amounts of what to swap when you run out.
Open the calculatorWhat are the calories and macros in my recipe?Recipe Nutrition Calculator
Paste any ingredient list and get calories, protein, fat, carbs and more per serving. It uses real per-ingredient weights and USDA data for 700+ ingredients, with a source behind every number.
Open the calculatorHow much protein do I need each day?Daily Protein Calculator
An evidence-based range for adults, shown as a range with a per-meal split. Every range is tied to a published source, and there is no email gate.
Open the calculatorHow many calories or how much protein is in one food?Nutrition Facts by Food
30 pages for common foods and ingredients, each with a serving-size table, a full nutrient panel with % Daily Value, a serving calculator and recipes that use the food.
Browse nutrition factsCommon questions
Yes. Every tool on Zest & Squeeze is free, works on phones and needs no sign-up or email address.
Nutrition figures come from USDA FoodData Central. Lemon and lime juice yields come from our own guide and USDA juice yields. Each tool page lists its sources, and results are estimates because food varies.
Yes. The three calculators have an embed option at the bottom of their pages, with a ready-made snippet you can paste into your site.

