Loan Calculator
Estimate loan payments.
All Business & Finance calculators
Margin Calculator
Find profit margin.
Mortgage Calculator
Plan your mortgage.
ROI Calculator
Measure return on investment.
VAT Calculator
Calculate VAT & sales tax.
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Make money decisions with real numbers
Finance questions usually come down to a handful of formulas: amortized loan payments, percentage returns, margins and tax rates. These calculators apply those formulas precisely and show the intermediate numbers, so you can see how each input changes the outcome.
Results are estimates for planning. Lenders, tax authorities and accountants may apply fees, rounding rules or regulations that differ from the standard formulas used here.
Other categories
Choose a category to find the right calculator for your needs.
HVAC & Energy
5 calculatorsHeating costs, filters and HVAC decisions.
Electrical & Power
5 calculatorsEV chargers, circuits and generators.
Plumbing & Water
4 calculatorsSofteners, hardness and water heaters.
Home Improvement
5 calculatorsMaterials and home project planning.
Moving & Storage
6 calculatorsStorage units, junk removal and packing.
Commercial Operations
6 calculatorsCleaning, kitchens and facilities.
Unit Conversion
10 calculatorsConvert units instantly.
Math & Algebra
2 calculatorsSolve and calculate faster.
Date & Time
1 calculatorWork with dates and time.
Health & Fitness
1 calculatorTrack your health and wellness.
Text & Data
1 calculatorCount, convert and format text.
Special Calculators
2 calculatorsEvent planning and one-off questions.