MathVerified
Percentage Calculator
Find X% of Y, calculate percentage ratios, compute percent increase/decrease, and solve sales tax or discounts with step-by-step formulas.
All Calculators
Accurate, instant online calculators with transparent formulas for percentages, discounts, investments, payroll compensation, travel fuel, business margins, dining gratuities, and brewing science.
FinanceVerified
Pay Raise Calculator
USA salary and hourly raise calculator. Convert across hourly, bi-weekly, semi-monthly, and annual pay with inflation and estimated take-home.
DiningVerified
Tip & Bill Split Calculator
Calculate custom dining tips (15%, 18%, 20%, 25%), split restaurant checks evenly across groups, and round up totals cleanly.
BrewingVerified
Beer ABV Calculator
Calculate beer alcohol by volume from original and final gravity. Supports SG and Plato, standard and alternate formulas, attenuation, and calories.
ShoppingVerified
Discount & Sale Price Calculator
Calculate sale prices, percentage discounts, clearance 'extra % off' stackable coupons, and post-discount sales tax with instant savings summaries.
FinanceVerified
Compound Interest Calculator
Model exponential savings growth with starting balances, monthly deposits, compounding schedules (annual, monthly, daily), and milestone projections.
TravelVerified
Fuel Cost & Road Trip Gas Calculator
Estimate road trip fuel expenses, gallons/liters required, cost per mile, and fair per-person gas shares. Supports US MPG and Metric L/100km.
BusinessVerified
Profit Margin & Markup Calculator
Calculate gross margin, percentage markup, and retail selling prices. Bidirectional formulas clarify the crucial difference between margin and markup.
ConstructionVerified
Cubic Yard Calculator
Calculate cubic yards (yd³) for concrete slabs, footings, landscaping mulch, topsoil, gravel, and sand with waste buffers and bag conversions.
MathVerified
Average Calculator
Calculate simple arithmetic mean, weighted averages, course grades with final exam targets, and chemistry average atomic mass.
EducationVerified
Grade Average Calculator
Calculate weighted course grade averages and solve the exact score needed on your final exam to achieve an A, B, or C.
FinanceVerified
Weighted Average Calculator
Calculate weighted arithmetic means for stock dollar-cost averaging, investment portfolios, inventory, and statistical datasets.
EducationVerified
Cumulative GPA Calculator
Calculate your updated cumulative GPA for college or high school by combining prior transcript credits with current semester grades.
EducationVerified
GPA Calculator for Middle Schoolers
Kid-friendly GPA calculator for 6th, 7th, and 8th graders in USA and Canada. Calculate report card GPA and check Honor Roll eligibility.