Calculator Tools & Products

Garage Heat Lab

Garage Heat Lab is a free online garage heater calculator that helps homeowners, DIYers, and workshop owners estimate heating requirements. Enter garage dimensions, ceiling height, insulation level, o

Listed Oct 2026

productivity

Gravel Calculator

Gravel Calculator turns your measurements into the numbers you need before ordering. Enter length, width, and depth for each bed, path, or driveway run, or use a known area or circle. It converts ever

Listed Sep 2026

productivity

ToolsAndCalcs

ToolsAndCalcs is a collection of over 67 free browser-based tools and calculators for downloading videos from social media, converting files, and performing everyday calculations. The tools cover YouT

Listed Aug 2026

developer-tools

calculate.at

calculate.at packages 290+ free calculators into single-purpose pages instead of one bloated multi-tool — finance, health, math, science, construction, unit conversion, and date/time, plus a small gam

Listed Aug 2026

productivity

CalcBoxer

Calcboxer is a free web app with more than 600 online calculators that help you quickly crunch the numbers that matter in everyday life and business. It covers finance, motoring, health and sustainabi

Listed Aug 2026

productivity

AltFTool

AltFTool is a collection of over 3,900 free online tools organized across 22 categories, including calculators, image and PDF editors, converters, and developer utilities. All tools run directly in yo

Listed Aug 2026

productivity