Unit Converter & Calculator

Convert anything, calculate everything, and handle your
documents completely offline.

Convertify is an all-in-one unit converter and calculator app
with 5,000+ units across 90+ categories, 80+ practical
calculators, and a full offline PDF and image studio. No
internet needed, no sign-up, and no data leaving your phone.

UNIT CONVERTER: 5,000+ UNITS, OFFLINE
• Length: cm to inches, mm to inches, feet to meters, miles to km
• Weight: kg to lbs, grams to ounces, tola to gram, quintal to kg
• Temperature: Celsius to Fahrenheit, Kelvin
• Area: square feet to square meters, gaj, bigha, marla, kanal,
acre, hectare
• Volume: litres to gallons, ml to cups, cooking measurements
• Speed, pressure (psi to bar), power (hp to kW), energy, torque
• Data storage: KB, MB, GB, TB and data transfer rates
• Fuel economy, density, frequency and dozens more engineering units
• Currency converter with cached exchange rates and crypto
(Bitcoin, Ethereum) that keeps working offline
• Search any unit instantly, save favourites, reuse recent results

80+ CALCULATORS
• Finance: EMI and home loan calculator, SIP, compound interest,
GST, discount, ROI, full amortisation schedule
• Health: BMI, BMR, body fat, ideal weight, calorie needs,
pregnancy due date
• Construction: concrete volume, bricks, tiles, paint coverage,
steel weight
• Math: percentage, algebra, statistics, 2D and 3D geometry
• Date and time: age calculator, days between dates, duration
• Electrical, automotive and business margin formulas
Every result comes with a step-by-step breakdown, not just a number.

STUDIO: PDF & IMAGE TOOLS, 100% OFFLINE
Things you would normally upload to a website, done privately
on your phone:
• Image to PDF, JPG to PDF, PDF to image
• Merge PDF, split PDF, extract pages, reverse order, page numbers
• Compress PDF, text to PDF
• Document scanner with on-device OCR: scan a receipt or page
and copy the text out
• Image compressor, photo resizer, crop, rotate, watermark, collage
• JPG to PNG and WebP converter
• QR code generator and barcode maker for links, Wi-Fi, contacts

HISTORY THAT REMEMBERS
Every conversion, calculation and export is saved locally in a
searchable history with filters, trash and one-tap copy.

WHY PEOPLE KEEP IT INSTALLED
• Works fully offline: on a plane, on site, in a basement,
or abroad without roaming
• Private: files and images are processed on your device
• Light and fast, small download, no loading screens
• Dark and light themes

Built for students, engineers, site supervisors, cooks,
travellers, traders and anyone tired of searching "kg to lbs"
every single time.

Free to use. Download Convertify.