35+ Professional Calculators in One Beautiful App
From managing finances to tracking health, planning travel to calculating utilities - everything you need in your pocket.
Why Choose MegaCalcBox?
All-in-One Solution
Replace dozens of apps with one comprehensive calculator suite. Everything you need in your pocket.
Beautiful Design
Clean interface with dark mode support. Intuitive design that's both powerful and easy to use.
Smart Features
Examples, favorites, instant results. Smart keyboards and real-time calculations make it effortless.
No Ads
Clean, focused experience without distractions. Premium quality without subscription fees.
Regular Updates
New calculators added monthly. Your one-time purchase includes all future calculators.
Privacy First
100% offline, zero data collection, no account needed. Your calculations stay private.
35+ Professional Calculators
Financial (11)
- 💰 Compound Interest - Investment growth projections
- 🏠 Mortgage - Monthly payments & total interest
- 💵 Paycheck - Take-home pay after taxes
- 📊 Net Worth - Track assets & liabilities
- 📈 Investment Returns - Portfolio performance
- 🎯 Retirement Planning - 401k & IRA calculations
- 💳 Loan Calculator - Any loan type
- 📋 Budget Planner - 50/30/20 rule
- 📉 Inflation - Purchasing power over time
- 💸 Debt Payoff - Elimination strategies
- 🚨 Emergency Fund - Savings goals
Travel (5)
- 🚗 Drive to Work - Gas vs electric costs
- ⚡ EV Charging Cost - Electric vehicle expenses
- ⛽ Miles Per Gallon - Fuel efficiency
- 🕐 Trip Time - Travel duration estimates
- 🆚 Lease vs Buy Car - Vehicle financing comparison
Health & Fitness (7)
- 📏 Body Mass Index - BMI & health categories
- 🔥 Calorie Burning - Exercise calories
- 🍷 Drinking Calories - Alcohol calorie tracker
- 🏋️ One Rep Max - Weight lifting capacity
- 👶 Pregnancy Due Date - Baby arrival estimates
- 😴 Sleep Debt - Track & recover sleep deficit
- 🍽️ Daily Calories - BMR, TDEE & caloric needs
Utilities (5)
- 🔌 Appliance Energy Cost - Electricity expenses
- 📱 Phone Cost Per Minute - Usage costs
- 📋 Monthly Bills - Recurring expenses
- 🏠 Renting Cost - True rental costs
- 🏡 Rent vs Buy Home - Housing decisions
Education (2)
- 🎓 GPA Calculator - Grade point average
- 💰 School Cost - Education expenses
Lifestyle (5)
- 💡 Tip Calculator - Tips & bill splitting
- 📐 Unit Converter - Measurement conversions
- 💱 Currency Converter - Exchange rates
- 🏷️ Sales Tax - Purchase calculations
- 📊 Percentage Calculator - Quick solutions
See MegaCalcBox in Action
🎁 Freemium Model
Pro Upgrade
One-time purchase
- All 35+ calculators
- Lifetime access
- Future calculators included
- No subscriptions
- Premium support

Ready for the Ultimate Calculator Experience?
Download MegaCalcBox today - your ultimate calculation companion!
Download on App StorePerfect for: Homeowners, students, professionals, fitness enthusiasts, and anyone needing quick, accurate calculations.