Plan study hours from syllabus weight and days left — pass with scheduled effort. Turn 5 chapters in 10 days into daily targets — free, local, no signup.
Count down the time until any future moment in days, hours, minutes, and seconds — launches, deadlines, events. See 45 days to launch live — free, local, no signup.
Measure exact elapsed time since any moment — days, hours, minutes live. Track 100 days sober to the second — free, local, no signup.
Estimate travel time from distance and speed — with optional arrival time and traffic buffer. Add traffic buffers and arrival targets for realistic plans — free, local, no signup.
Compute daily protein, carb, and fat macro targets from calories and your own percentage split. Turn any diet into gram numbers — free, local, informational only.
Convert between time units including seconds, minutes, hours, days, weeks, months, and years with precise decimal results. Input never leaves your device — everything runs locally in your browser.
Weight × total hours: a 40%-weighted final in a 20-hour week earns 8 hours. Allocate by marks, not interest.
Total hours ÷ days left with one buffer day reserved. Ten days, five chapters, two hours daily each with review built in.
Spaced sessions beat marathon nights for retention — split the same hours across days. Sleep consolidates; all-nighters don't.
No — math runs locally in your browser. Nothing leaves your device.
Words Per Page Calculator
Estimate pages from word count and font size — about 500 words/page at 12pt, 600 at 10pt and under. Font-size-only math, no spacing or margin inputs — free, local, no signup.
Final Grade Calculator
Compute your overall course percentage from comma-separated assignment grades and their matching weights — Exam Heavy presets included. Numbers never leave your device — every calculation runs locally in your browser.
Last updated October 2026