Changelog

What's new in ProrateCalculator.com — every feature, fix, and improvement, newest first.

v1.4 October 2026 Latest
Buildings & Units

Full property management module — create buildings, add units with bed/bath/sqft details, track availability status, and assign residents directly from the unit view.

  • Unit status badges: Available, Occupied, Reserved, Maintenance
  • Occupancy progress bars per building
  • Assign Resident and Move-Out actions directly on units
  • Copy unit — duplicate a unit record with one click
Resident Directory

Company-wide resident profiles with search, status filtering, lease tracking, and emergency contacts. Lease end dates highlight red within 30 days.

  • Pre-fill Move-In or Business calculators from any resident profile
  • Color-coded status badges (Active, Notice Given, Moved Out, etc.)
  • Store monthly rent, personal service rate, and recurring charges per resident
Resident Status Management

Admin-managed lookup table for resident statuses. Create, edit, reorder, and toggle statuses active/inactive.

Support the Project — Donations

Added a PayPal donation link to the footer and the About page for anyone who wants to help keep the site running.

v1.3 September 2026
Multi-User Company System

Invite your whole team. Admins can invite colleagues by email, assign roles, and manage the company roster from one place.

  • Roles: Admin, Manager, Approving Manager, User
  • Email invitations with secure token links (7-day expiry)
  • Role management and user removal for Admins
  • Any team member can create or join a company on registration
Move-Out Calculator

Calculate prorated rent refunds and security deposit returns at move-out. Handles partial months, cleaning fees, and damage deductions. Shows whether the net amount is owed to the tenant or by the tenant.

Salary Converter

Instantly convert between hourly and annual pay — with a full breakdown of daily, weekly, bi-weekly, semi-monthly, monthly, and quarterly equivalents. No server round-trip; updates live as you type.

Google Search Console & SEO

Domain verified with Google Search Console. Added canonical tags, non-www → www redirect, and deferred script loading for faster page performance.

v1.2 August 2026
Saved Worksheets

Save Move-In and Business Move-In worksheets for any resident. Company members can view each other's saved work; Admins and Managers can edit any worksheet in the company.

Business Move-In Calculator

Two-rate proration for commercial leases — separate Basic Service Rate and Personal Service Rate. Supports company logo upload and a print-ready view.

Salary Proration

Prorate salary for new hires and terminations across all pay frequencies (weekly, bi-weekly, semi-monthly, monthly). Supports both annual and hourly compensation types, with a weekdays-only option.

v1.1 July 2026
User Accounts & Email Confirmation

Full registration and login flow with email confirmation. Forgot password and reset password supported. Registration supports solo accounts, creating a new company, or joining via invite link.

Move-In Worksheet

Residential move-in calculator with prorated rent, security deposit, pet deposit, application fee, and a total due summary. Includes save and load for logged-in users.

Collapsible Side Navigation

Logged-in users get a persistent side nav with quick access to all tools. State is remembered between visits.

v1.0 June 2026 Initial Launch
Rent Proration Calculator

The original tool — calculate prorated rent for any move-in date. Available publicly on the home page, no login required. Shows daily rate, days charged, and total due with a clear formula breakdown.

Site Launch

ProrateCalculator.com launched as a free tool for property managers, leasing staff, and residents. Built on ASP.NET Core, hosted on SmarterASP.

ProrateCalculator.com is free to use. Learn more about the project or support it with a donation.