Ratio & proportion tools
Dilution Ratio Calculator
Pick the convention your instructions use, then get the product and diluent amounts for your final volume.
Exact result
90.91 ml product · 909.09 ml diluent
11 total parts · final volume 1,000 ml
- Total parts
- 11
- Product share
- 9.09%
- Other convention
- 100 ml
Working
- Product : diluent adds up: 1 + 10 = 11 total parts.
- One part = 1,000 ÷ 11.
- Product = 90.91 ml, diluent = final volume − product = 909.09 ml.
- With the other convention the product amount would be 100 ml — the two are not the same.
1:10 is not always 1 in 10
Read as product to diluent, 1:10 means one part product plus ten parts diluent — eleven total parts, so a 1,100 ml batch needs 100 ml of product. Read as “one part in ten”, the ten is the total, so the same batch needs 110 ml. Choosing the wrong reading changes the concentration by roughly ten percent.
Dilutions people look up most
1:10 is the classic ten-percent mixture. 1:32 is the standard bottle-cap strength for cleaning concentrates, roughly 4 oz of product per gallon of water. 1:50 is the weak, economical end — two-stroke fuel and low-strength cleaners. Enter any of them above and the calculator returns the product and diluent amounts for your batch under either convention.