Browse our collection of 1000+ free online tools
Found 16 tools in Math Tools category
Calculate inverse proportions using the inverse rule of three formula. Perfect for time-work calculations, speed-time problems, and efficiency calculations. Easy-to-use online calculator with step-by-step explanations.
Free online ruler tool to measure objects on your screen. Supports cm, mm, and inches with calibration options. Perfect for quick measurements without a physical ruler.
Calculate salary hike percentage, new salary after raise, and compare job offers. Free online tool for HR, job seekers, and professionals to estimate salary growth and increments.
Calculate the area of common geometric shapes including circles, rectangles, triangles, parallelograms, trapezoids, and ellipses. Features formula explanations, unit conversion, and visual diagrams.
Calculate your BMI (Body Mass Index) instantly. Check if your weight is healthy with our free online BMI calculator. Get personalized health insights and ideal weight range.
Calculate KGR (Keyword Golden Ratio) to identify low-competition keywords for SEO. Free online tool for content creators, SEO professionals, and bloggers to find golden keywords.
Generate unique UUIDs/GUIDs online instantly. Support UUID v4, batch generation, multiple formats, and one-click copy. Perfect for developers, testers, and data professionals.
Professional online VAT calculator tool. Convert between tax-inclusive and tax-exclusive prices. Supports general taxpayers and small-scale taxpayers with multiple tax rates including 13%, 9%, 6%, 3%, 1%.
Professional CBM (Cubic Meter) calculator for shipping volume weight calculation and freight quotes. Supports cm/inch unit conversion and single/total volume calculation.
Convert between radians and degrees instantly. Supports π notation, high precision calculations, and real-time conversion. Perfect for students, engineers, and scientists working with trigonometry.
Calculate compound interest for investments, savings, and regular contributions. Visualize growth with charts, compare scenarios, and plan your financial future with accurate compound interest calculations.
Calculate direct proportions using the rule of three formula. Perfect for price calculations, material ratios, unit conversions, and educational purposes. Easy-to-use online calculator with step-by-step explanations.
Calculate tax rates, tax amounts, and pre/post-tax amounts online. Support multiple calculation modes for business, finance, and personal tax calculations.
Modern online calculator with sleek design and full functionality. Features basic arithmetic, percentage calculations, and responsive design. Works on all devices.
Calculate sine, cosine, tangent, and inverse trigonometric functions. Supports degrees and radians with high precision. Perfect for students, engineers, and mathematicians.
Calculate percentages easily with our online percentage calculator. Find percentages, percentage increase/decrease, and percentage change. Perfect for students, business, and daily calculations.
