Time Duration Calculator
Add and subtract hours, minutes, seconds
Formula
Total = H×3600 + M×60 + S
Convert to seconds, compute, convert back.
Examples
2:45:30 + 1:30:45
= 4h 16m 15s.
Frequently Asked Questions
About Time Duration
Add and subtract time durations.
Related Calculators
Temperature Converter
Convert between Celsius, Fahrenheit, and Kelvin
Use calculator
Length Converter
Convert between meters, feet, inches, and more
Use calculator
Weight Converter
Convert between kg, lbs, ounces, and more
Use calculator
Volume Converter
Convert between liters, gallons, cups, and more
Use calculator