Everyday
Quick calculations for everyday spending and pricing: discounts, tips, interest, VAT, margin and markup, unit prices, break-even quantities and splitting a bill.
Work out a discounted price, a tip and bill total, how a single lump sum grows with compound interest, add or remove VAT at a rate you enter yourself, work out simple interest, profit margin or markup, find a unit price or a break-even quantity, or split a bill equally.
Checking the sale price of an item, or working out the VAT-inclusive total on an invoice.
Conventions and limitations
Amounts on these tools are shown as plain numbers with no currency symbol, since Numerila does not assume any particular currency.
23 tools in this category
- Discount CalculatorWork out the final price after a percentage discount, the discount itself, or the original price before it.
- Tip CalculatorWork out the tip and the total for a bill, from the percentage you choose.
- Compound Interest CalculatorCalculate compound interest on a starting amount over a number of years.
- VAT CalculatorAdd VAT to a net amount, remove it from a gross amount, or find the rate, using a rate you enter.
- Simple Interest CalculatorWork out simple interest and the total, or find the principal, rate or time from the other values.
- Margin CalculatorWork out profit margin as a percentage of revenue, or the cost or revenue that gives a margin you want.
- Markup CalculatorWork out markup as a percentage of cost, or the cost or selling price that gives a markup you want.
- Unit Price CalculatorWork out the price per unit from a total and a quantity, or find the total or quantity from the other two.
- Break-even CalculatorFind how many units must be sold for the contribution to cover fixed costs.
- Split Bill CalculatorSplit a bill equally between a number of people to see what each person pays.
- Fuel Cost CalculatorEstimate the fuel used and the cost of a journey from distance, fuel economy and a price you enter.
- Electricity Cost CalculatorEstimate the energy an appliance uses and what it costs, from its power, the time used and your price per kWh.
- Paint CalculatorEstimate how much paint a wall area needs, from the coverage on the tin and the number of coats.
- Flooring CalculatorWork out the flooring area a room needs, with an optional allowance, pack coverage and price of your own.
- Concrete CalculatorFind the volume of concrete for a simple rectangular slab or block, with an optional allowance.
- Square Footage CalculatorFind the area of a rectangle from its length and width, in square feet, square metres and square yards.
- Tile CalculatorWork out how many tiles cover a surface, as an exact count and as whole tiles, with an optional allowance.
- Mulch CalculatorFind the volume of mulch needed to cover an area to a chosen depth.
- Gravel CalculatorFind the volume of gravel needed to cover an area to a chosen depth.
- Fence CalculatorWork out the posts and sections for a straight fence from its length and the spacing between posts.
- Grade CalculatorWork out an overall grade from the points earned and the points possible.
- GPA CalculatorWork out a GPA from the grade points and credits of each course, on your own scale.
- Final Grade CalculatorFind the score needed on a final assessment to reach a target course grade.