Percentage Calculator
Calculate percentages, increases, and decreases.
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Calculate percentages, increases, and decreases.
Find your exact age in years, months, and days.
Monthly payment, total interest and amortization.
Calculate BMI in metric or imperial units, with adult categories and a mathematical weight interval.
Semester GPA, cumulative GPA and target planning.
Project compound growth with monthly deposits, compare frequencies and explore APY and inflation.
Count calendar or business days, compare calendar intervals, and add or subtract dates.
Calculate markup, gross margin, selling price, reverse cost and profit using an explicit cost basis.
Calculate exact fractions and mixed numbers, simplify, compare, and convert decimals or percentages with steps.
Estimate concrete volume and bags for slabs and footings.
Estimate adult maintenance calories, BMR and TDEE, or convert kcal and kJ.
Find the sale price and how much you save.
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Convert cooking ingredients by density and compare pizza sizes, quantities, and value.
Explore temperature, humidity, electrical power, and engineering calculations.
Explore loans, savings, compound growth and clearly stated financial scenarios.
Calculate exact fractions, percentages and useful mathematical results.
Calculate dates, ages, time intervals, and durations.
Explore useful health and fitness calculations.
Estimate lifting strength, calculate running pace, and plan race splits.
Estimate measurements and materials for building projects.
Make studying, grading, and academic calculations easier.
Calculate product pricing, gross margin, advertising CPM, budgets, and campaign comparisons.
Convert number bases, calculate IP subnets, and explore computing tools.
Convert everyday measurements quickly and accurately.
Simplify common calculations for daily activities.
Search by name, topic, or a common term like “EMI”, “CGPA”, or “birthday”.
Split a restaurant bill, choose a tip, and see what each person pays.
Tip, total, and split per person
Total per person (approx.)
18% tip≈$49.86
Exact split: 1 person pays $49.86 and 1 person pays $49.85. Combined total: $99.71.
Rounded average per person. Use the exact split to pay the full bill.
Formula: Tip = bill × tip % ÷ 100.
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