About Useful Tools

Smart calculations and utilities at your fingertips.

Welcome to Useful Tools!

Useful Tools offers a suite of accessible, intuitive, and accurate calculators designed to simplify complex everyday calculations, particularly in the realm of energy and finance. Navigating tariffs, instalment plans, and energy usage can often be daunting. These tools are here to empower you with the clarity and information needed to make informed decisions.

Technology should serve to make life easier. Each calculator in this toolkit is crafted with attention to detail, ensuring user-friendliness without compromising on the depth of calculation required for accurate results. Whether you're trying to figure out the best energy tariff, understand consumption patterns, or plan out payments, Useful Tools provides assistance.

Useful Tools is committed to continuous improvement and expansion. Enhancements to existing tools and the addition of new ones to address real-world needs are always being explored. Feedback is invaluable in this process, helping to refine and grow the toolkit.

Available Calculators

This suite of calculators simplifies complex tasks related to energy management and financial planning. Each tool provides clear inputs and detailed, easy-to-understand results. Here's a glimpse of what can be done:

Instalment Plan Calculator

Effectively plan your finances by calculating monthly payments, the total number of instalments, and the final payment details for clearing an outstanding balance.

Energy Usage Calculator

Understand and manage your energy consumption and costs. Calculate usage from meter readings or input kWh directly, along with rates and standing charges, to estimate costs over various periods.

Burns Test Calculator

Analyze daily energy patterns by inputting 7 days of meter readings for multiple electricity rates and gas, helping to identify potential issues or high consumption periods.

Tariff Comparison Tool

Find the best energy deals by comparing different tariffs based on your annual usage data for electricity and gas, including standing charges and unit rates.

Agreed Reads Calculator

Estimate meter readings accurately for a specific proposed date based on historical consumption patterns between known start and end readings.

FinTrack App

Your private tool for tracking income, expenses, credit, and UK benefits (England), featuring calculators and clear financial insights.

More tools and features are regularly added to make tasks simpler. The aim is for Useful Tools to be a go-to resource for practical calculations.

Recent Changes & Updates
  • May 2025
    New "About" Page Launched: Information about the mission and the tools offered is now available.
  • May 2025
    Agreed Reads Calculator Enhanced: Added flexible meter configuration options for electricity (1-3 rates) and gas.
  • May 2025
    Energy Calculators Merged: The "Energy Cost" and "Energy Usage" calculators are now a single, more versatile tool with options for direct kWh input or calculation from meter readings.
  • May 2025
    Optional Fields Implemented: All fuel and rate inputs across calculators are now fully optional to accommodate various user setups.
  • April 2025
    UI & Theme Refresh: Implemented ShadCN UI components and improved color themes for better readability and aesthetics in both light and dark modes.
  • April 2025
    V3 Launched: Migrated from WordPress to a new Firebase backend, enhancing performance and scalability. Core calculator tools (Instalment Plan, Tariff Comparison, Burns Test, Agreed Reads, Energy Usage) re-platformed.

© 2025 Useful Tools.