All the unit conversions you need

Fast, mobile-friendly converters. No signup, no popups, no ads blocking your calculator.

Popular Converters

KM to Miles
Distance
Meters to Feet
Length
PSI to Bar
Pressure
MB to GB
Data
°F to °C
Temperature

All Conversion Categories

📏 Length & Distance
km to milesmeters to feetcm to inches
🌡️ Temperature
°F to °C°C to °F
⚖️ Weight & Mass
kg to lbspounds to kggrams to oz
🔧 Pressure
psi to barbar to psi
💾 Data & Storage
MB to GBKB to MBGB to TB
🧪 Volume
liters to gallonsml to ozcups to grams
🏃 Speed
mph to kmhknots to mph
⏱️ Time
hours to minutesdays to hours

Why AllUnits?

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Mobile-first

Designed first for phones — big buttons, instant results, no horizontal scrolling.

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Instant & Precise

Real-time two-way conversion with up to 6 decimal places. Tap numbers, get answers.

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No Tracking

No signup required. Your recent conversions stay on your device, not ours.