IdeaDrives's core service is a single, focused page — but the same team also designs, maintains, and grows a set of standalone tools and small stores. This page is a live look at that broader body of work.
Broad, multi-category calculator sites covering everyday maths and conversions rather than one narrow tool.
A general calculator hub spanning everyday maths, conversions, and quick reference tools in one place.
Visit siteA companion platform organised by category, built for people who want a quick, no-fuss answer.
Visit siteAn expanding library of free calculators, added to steadily as new use-cases come up.
Visit siteSingle-purpose tools for time, money, and day-to-day arithmetic — built to answer one question fast.
A stripped-down calculator for straightforward, everyday arithmetic.
Visit siteWorks out hours worked or the time gap between two points, without the mental maths.
Visit siteCovers the common shapes — squares, circles, triangles — for quick area calculations.
Visit siteSimplifies ratios and solves proportion problems in a couple of taps.
Visit siteProjects how savings grow over time based on contributions and interest rate.
Visit siteEstimates blood alcohol content from consumption and body weight, for reference only.
Visit siteA set of estimation tools aimed at individual tax filers working things out themselves.
Visit siteTools that help people understand their body, nutrition, and hydration needs at a glance.
Works out Basal Metabolic Rate to give a sense of daily calorie needs.
Visit siteEstimates and tracks height using age and growth reference data.
Visit siteWorks out a healthy weight range and helps track progress toward it.
Visit siteRecommends daily water intake based on body weight and activity level.
Visit siteEstimates fluid needs across different activity levels and climates.
Visit siteSuggests a healthy weight range from height, age, and frame size.
Visit siteCombines height, weight, and BMI into a single quick read.
Visit siteTracks body weight against healthy target ranges over time.
Visit siteEstimates daily calorie needs for weight loss, maintenance, or gain.
Visit siteWorks out daily protein needs from body weight and activity level.
Visit siteMeasurement-based tools built to help people find an accurate fit.
Suggests a bra size from a short set of measurements.
Visit siteA simpler, guide-style take on the same sizing problem.
Visit siteA sizing calculator paired with a short reference guide.
Visit siteEstimates size and fit from a standard set of measurements.
Visit siteConverts a waist measurement into the correct belt size.
Visit siteA couple of projects outside the calculator space — finance and a small online store.
Curious what a new build starts from? This is the live catalog we draw from when kicking off a new calculator or small business site.