Online Calculator & Business Calculators

The calculations you reach for every day: an online calculator with parentheses and keyboard support, a percentage calculator, and a discount calculator for shopping and pricing.

• 🧮CalculatorA free calculator with percentages, parentheses and full keyboard support.→
• ％Percentage CalculatorEnter two numbers and get every common percentage answer at once.→
• 🏷️Discount CalculatorEnter the price and discount to see exactly what you pay and how much you save.→

Tools that help you understand your pay, compare job offers and price your time.

• ⏱️Hourly Rate CalculatorConvert your monthly salary into hourly, daily and annual pay.→

Work out monthly payments, total interest and full repayment schedules before you borrow.

• 🏦Loan CalculatorCalculate the monthly payment and full repayment schedule for any fixed-rate loan.→

Quickly add or remove VAT and sales tax from any amount.

• 🧾VAT CalculatorEnter an amount and a rate to get net, gross and VAT amounts together.→

Tools that speed up pricing and cost decisions. Measure your profit margin, set the right selling price and find the sales volume you need to break even.

• 📊Profit Margin CalculatorGet your gross profit, margin and markup from cost and selling price in seconds.→
• 💲Markup CalculatorAdd your markup to cost and see your selling price — before and after tax.→
• ⚖️Break-Even CalculatorFind out how many units you need to sell to cover all your costs.→
• 📦Pallet Loading CalculatorEnter your carton size to see how many fit per pallet, in how many layers, with a layout plan.→
• 🚛Container Pallet CalculatorChoose the vehicle and pallet type to see how many pallets fit, the weight limit and the floor plan.→
• 🚢Container Loading CalculatorEnter the carton size to see how many load loose into the vehicle and how much of the volume is used.→
• 🌾Bulk Cargo CalculatorChoose the material and vehicle to see the loadable tonnage by volume and by weight.→
• 💱Currency ConverterEnter an amount and choose the currencies to see the value at the central bank rate.→

See how your savings grow over time and measure the annualized performance of your investments.

• 🌱Compound Interest CalculatorSee how regular saving and compounding grow your money over time.→
• 🎯ROI CalculatorMeasure how much an investment, campaign or project really earned.→
• 🚀CAGR CalculatorFind the average yearly growth rate of revenue, investments or users.→

Learn by doing: an online abacus with guided lessons and practice questions.

• 🧮Online AbacusSlide the beads to count, and learn tens and ones, addition and subtraction step by step.→

Fair, instant random tools: pick numbers, roll dice, flip a coin or draw raffle winners.

• 🏆Raffle PickerType one name per line, choose the number of winners and draw.→
• 🔢Random Number GeneratorSet a minimum, a maximum and how many numbers you want.→
• 🎲Dice RollerChoose how many dice and press Roll.→
• 🪙Coin FlipCannot decide? Flip a coin.→