Productivity Suite

Time Billing & Work Hours

Calculate work hours, manage time billing, and track productivity — all instant, all client-side, zero tracking.

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Hours & Minutes Calculator

Add or subtract multiple time durations — get the total in every format you need.

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Time to Decimal Converter

Convert hours and minutes to decimal for invoices, timesheets, and billing — instantly.

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Decimal to Time Converter

Convert decimal hours to hours and minutes for timesheets, invoices, and payroll — instantly.

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Overtime Pay Calculator

Calculate regular and overtime pay based on hourly rate and hours worked — with multi-tier OT rates.

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Pay Per Hour Calculator

Calculate gross pay, net pay, overtime, break deductions & income projections — all in one.

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Break Time Calculator

Calculate net work hours after breaks — with overtime detection & pay estimate.

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Daily Hours Logger

Log work sessions with breaks. Total hours calculated instantly — no spreadsheet needed.

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Weekly Timesheet Calculator

Log hours per day, get total hours, gross pay, overtime & more. Print-ready.

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Salary to Hourly Converter

Convert your annual salary to an hourly rate — including tax deductions if needed.

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Hourly to Salary Converter

Convert your hourly rate to an annual salary — including tax deductions if needed.

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Lunch Break Deduction Tool

Auto-deduct breaks from any shift — get exact paid hours instantly.

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Billable Hours Tracker

Track billable hours for projects and clients — with real-time earnings calculation and export options.

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Invoice Hours Calculator

Calculate invoice amounts based on time entries and rates — with tax and discount options.

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Shift Pay Calculator

Calculate pay for individual shifts with different rate structures and break deductions.

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Bi-Weekly Pay Calculator

Calculate gross pay, overtime, taxes & full salary breakdown — for every 2-week pay period.

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Retainer Hours Tracker

Track hours against client retainer agreements — with alerts and reporting.

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Time Rounding Calculator

Round time entries to 6 / 10 / 15 min increments for billing. Auditor favourite.

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Timesheet Generator

Log hours by project & task for any week — then print or copy a clean formatted timesheet.

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Contractor Day Rate Calculator

Calculate your daily earnings based on your day rate and working days.

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Freelance Project Profitability Calculator

Calculate your project's true profitability by comparing quoted vs. actual hours and expenses.

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Precision Date Math with Rebrixe Engine

Miscalculated deadlines, wrong billing periods, and off-by-one date errors cost real time and money. Rebrixe's Date Calculators suite eliminates every class of date math error with tools engineered for accuracy — running entirely inside your browser with zero server dependency.

Whether counting business days for a contract using the Business Days Calculator or generating a full schedule of recurring milestones with the Recurring Date Generator, every computation is instant and fully sandboxed in your local session. No data ever leaves your device.

Zero-Latency Date Computation

Every calculation — from simple day differences to complex fiscal quarter lookups — executes instantly via native JavaScript Date APIs. No server roundtrips, no cold starts, no spinning loaders. Results appear the moment you input a date.

Built for Professionals & Remote Teams

Freelancers, project managers, and finance teams all depend on date accuracy. Rebrixe's business day counters, deadline trackers, and fiscal period finders are calibrated for real-world scheduling — not just casual curiosity.

Optimized for the Modern Web Ecosystem

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