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New & featured
- Air Conditioner Size Calculator | Room Size to BTU/h & kW | CalcBE Estimate room AC capacity from floor area or room dimensions. Adjust for ceiling height, sun exposure, occupants, and kitchen use, then see BTU/h, kW...
- Wallpaper Roll & Paste Calculator | rolls, strips, packs | CalcBE Estimate wallpaper rolls and paste packs from wall size or known net area. Account for roll dimensions, pattern repeat, trim allowance, and extra...
- Sleep Cycle Calculator | Bedtime & Wake-up Times | CalcBE Find suggested bedtimes or wake-up times using sleep cycles and a fall-asleep buffer. Choose a time, adjust cycle length, and copy a shareable setup...
- Screen Size Calculator | Dimensions, Distance & PPI | CalcBE Convert screen diagonal into real width and height, estimate viewing distance, and calculate PPI or pixel pitch from resolution.
- Dimensional Weight Calculator | Shipping Chargeable Weight | CalcBE Calculate parcel volume, dimensional weight, and chargeable shipping weight. Compare actual vs volumetric weight, choose a divisor preset, and...
- Work Hours & Overtime Pay | Shifts, Breaks & Gross Pay | CalcBE Estimate worked time, overtime hours, and gross pay from shift start/end times, unpaid breaks, or known total hours. Supports single shift, weekly...
- Online Alarm Clock | Browser Alarm with Snooze | CalcBE Set alarms in your browser without installing apps. Supports repeats, snooze, sound, notifications, and fullscreen.
- Fullscreen Clock | Big Digital & Analog Display | CalcBE Large browser clock with analog and digital display for classes, meetings, and focus sessions.
- Business Days & Countdown Calculator | Skip Weekends | CalcBE Count calendar or business days between two dates, exclude custom weekend patterns and holiday lists, and jump forward or backward by N business days.
- Date Difference Calculator (days, business days, Y/M/D) | CalcBE Compute days between dates, count business days and working hours, and see a year‑month‑day breakdown. Optionally include the start date and copy a...
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- Weighted Random Picker & Randomizer | Seeded Weighted Draws | CalcBE
Use this weighted random picker and randomizer to draw winners by weight, ratio, or raffle entries. Add.
- Long Division Calculator With Steps, Remainders & Decimals | CalcBE
Use this long division calculator with steps to show the quotient, remainder, decimal answer, repeating digits.
- Business Days & Countdown Calculator | Skip Weekends | CalcBE
Count calendar or business days between two dates, exclude custom weekend patterns and holiday lists, and jump.
- Date Difference Calculator (days, business days, Y/M/D) | CalcBE
Compute days between dates, count business days and working hours, and see a year‑month‑day breakdown. Optionally.
- Online Alarm Clock | Browser Alarm with Snooze | CalcBE
Set alarms in your browser without installing apps. Supports repeats, snooze, sound, notifications, and fullscreen.
- Loan & Mortgage Calculators: Payment, Schedule | CalcBE
Estimate payments, compare amortization schedules, and check affordability (DTI) with browser-only loan & mortgage calculators.