ToolPackIt
JSON Utilities
JSON Tree Viewer
JSON to CSV/Excel
GeoJSON Map Viewer
Encode/Decode & Hash
Base64 Encode / Decode
URL Encode/Decode Tool
Online MD5 Hash Generator
Online SHA256 Hash Generator
Media Utilities
ASS → SRT Conversion Tool
Blu-ray PGS（.sup）to SubRip（.srt）
Image Compressor
Image Format Converter
Math Tool
Compound Interest Calculator
Fraction Calculator
Prime Factorization Calculator
Temperature Converter (Celsius / Fahrenheit)
Length Converter (km↔mi, m↔ft, cm↔in, mm↔in)
Weight Converter (kg/lb/oz)
Health and Entertainment
Running Pace Calculator
Running Conversion Tool
Lottery Number Generator
JSON Utilities
JSON Tree Viewer
JSON to CSV/Excel
GeoJSON Map Viewer
Encode/Decode & Hash
Base64 Encode / Decode
URL Encode/Decode Tool
Online MD5 Hash Generator
Online SHA256 Hash Generator
Media Utilities
ASS → SRT Conversion Tool
Blu-ray PGS（.sup）to SubRip（.srt）
Image Compressor
Image Format Converter
Math Tool
Compound Interest Calculator
Fraction Calculator
Prime Factorization Calculator
Temperature Converter (Celsius / Fahrenheit)
Length Converter (km↔mi, m↔ft, cm↔in, mm↔in)
Weight Converter (kg/lb/oz)
Health and Entertainment
Running Pace Calculator
Running Pace Calculator
Running Pace Calculator
Running Conversion Tool
Pace ↔ Speed, Kilometer ↔ Mile, min/km ↔ min/mile, km/h ↔ mph
Choose conversion type
Pace (min/km) → Speed (km/h)
Pace (min/mile) → Speed (mph)
Pace (min/km) → Pace (min/mile)
Distance (km) → Distance (mile)
Speed (km/h) → Speed (mph)
Clear preferences
Input
Pace (min/km)
For example: 4 minutes 30 seconds → enter “4” and “30”.
Speed (km/h)
Result
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