Professional Count Up Timer
High-precision upward counting timer with lap recording and split timing functionality.
Professional Count Up Timer
High-precision upward counting timer with lap recording
00:00:00
000
Lap Times
No laps recorded
Display Options
Features
Timer Functions
- • Millisecond precision timing
- • Start, stop, and reset controls
- • Lap time recording
- • Split time calculations
- • Customizable display options
Display Options
- • Toggle milliseconds visibility
- • Show/hide lap time differences
- • Clear, readable time format
- • High-contrast display
- • Mobile-optimized layout
Applications
Sports & Training
- • Track running intervals
- • Swimming lap times
- • Cycling segments
- • Workout timing
Professional Use
- • Time tracking
- • Project duration
- • Process timing
- • Performance testing
Education
- • Lab experiments
- • Test timing
- • Activity duration
- • Research timing
Usage Guide
Basic Controls
- • Click Start to begin timing
- • Use Stop to pause the timer
- • Press Lap to record split times
- • Hit Reset to clear all times
- • Resume timing from where you left off
Lap Timing
- • Record multiple lap times
- • View cumulative time for each lap
- • See time differences between laps
- • Track performance patterns
- • Analyze split times
Best Practices
- • Use consistent lap recording points
- • Monitor split times for pacing
- • Keep track of significant intervals
- • Use display options for your needs
- • Reset between different activities
Tips for Accuracy
For the most accurate timing results:
- • Start timing at precise moments
- • Use consistent stopping points
- • Record laps at exact markers
- • Keep the browser tab active
- • Use a stable internet connection
- • Clear previous times before new sessions