Proportion Calculator

Proportion Calculator helps you solve any missing value in a proportion, scale recipes for more or fewer servings, and split a total into ratio parts. You get clear step-by-step working, not just a final number. Works fully offline. No ads. No account required. SOLVE: Find A, B, C, or D • Direct proportion (A/B = C/D) and inverse/product forms • Simple 3-step wizard. Enter one number at a time • Full answer with ratio bars, kitchen fractions, and equivalent ratios • Cross-multiply check so you can trust the result • Quick examples for recipes, screens, maps, and more SCALE: Recipe and batch scaling • Set original and target servings (slider 1 to 24) • See the multiplier instantly (for example x 2.25) • Add ingredients. Every amount updates automatically • Kitchen-friendly measures in grams and fractions MIX: Split totals by ratio • Enter any total and unit (ml, g, cups, or custom) • Custom ratio parts with donut chart and percentages • Add or remove parts easily • Share or save your mix STUDIO TOOLS (More tab) • Ratio studio: simplify ratios, check equality, golden ratio • Aspect and map scale for screens, photos, and blueprints • History: every calculation saved on your device • Tap any history entry to open and edit it again SETTINGS AND PERSONALIZATION • Soft light, Night, or Match system theme • 12 accent colors • 10 languages: English, Hindi, Urdu, Spanish, Arabic, Portuguese, French, German, Chinese, Bengali • Decimal precision from 0 to 8 places • Haptic feedback • Export history, share app, rate on Play Store WHY PROPORTION CALCULATOR? Whether you are adjusting a recipe, checking a mix ratio, resizing a screen, or doing homework, you get the answer and the working. • 100% offline calculator. No internet needed for math • No ads, no subscriptions, no sign-up • History stays on your device • Clean, modern interface built for daily use Download Proportion Calculator and solve proportions the clear way.