All Tools

Build CSS Grid layouts visually. Define rows, columns, gaps, and template areas.

Calculate percentages instantly. Find percentage of a number, increase/decrease, and difference.

Compare GPUs side by side. Filter by budget, tier and brand. See FPS at 1080p, 1440p and 4K. Find the best value GPU for your build.

Configure your custom PC build. Select CPU, GPU, RAM, storage, PSU and case. Get total price in USD, EUR, GEL or RUB with compatibility check.

Calculate GPU mining profitability for ETC, RVN, ERGO, KAS and XMR. Enter electricity cost, pool fee and get daily/monthly profit and ROI in days.

Calculate profit and loss on cryptocurrency trades. Enter buy price, quantity, sell price and fees. Supports 20 coins with live CoinGecko prices.

Simulate Dollar-Cost Averaging for Bitcoin, Ethereum and 10+ coins. Set investment amount, frequency and start date to see your average buy price and P&L.

Calculate your minimum hourly rate and project pricing based on income goals, expenses and taxes. Includes break-even, target, and premium rate tiers.

Calculate ROI, annual ROI, net profit and payback period for any investment. Compare multiple investments side by side.

Calculate solar panel payback period and 25-year savings. Enter system size, cost, region and degradation rate to see annual savings and ROI.

Estimate home renovation costs by room, quality level and additional work. Includes contingency buffer and budget, mid-range, premium tiers.

Calculate concrete volume and materials needed for slabs, columns, walls and footings. Get cement bags, sand and gravel quantities.

Calculate how many litres of paint you need for any room. Enter room dimensions, number of coats and paint type. Includes cost estimate.

Calculate flooring material quantity and cost with waste factor for hardwood, laminate, tile, vinyl and carpet. Includes installation cost.

Calculate your PC power draw and monthly electricity cost. Enter CPU, GPU, RAM, storage and usage profile. Includes PSU recommendation.

Convert between units of length, weight, temperature, area, volume, speed, and time.

Free online scientific calculator with trigonometry, logarithms, and advanced math functions.

Convert numbers between binary, octal, decimal, and hexadecimal bases instantly.

Calculate and solve ratios and proportions. Find missing values in A:B = C:D equations.

Calculate monthly loan payments, total interest, and view amortization schedule. Works for mortgages, car loans, and personal loans.